Rank
|
Page title
|
Views
|
Daily average
|
Assessment
|
Importance
|
1
|
Earth
|
508,293
|
16,943
|
FA
|
Top
|
2
|
Mount Everest
|
286,029
|
9,534
|
B
|
Mid
|
3
|
Ramapo Fault
|
227,340
|
7,578
|
C
|
Low
|
4
|
Chicxulub crater
|
208,215
|
6,940
|
FA
|
High
|
5
|
Continent
|
205,603
|
6,853
|
C
|
High
|
6
|
Earthquake
|
184,988
|
6,166
|
C
|
Top
|
7
|
Charles Darwin
|
131,711
|
4,390
|
FA
|
Mid
|
8
|
Richter scale
|
125,705
|
4,190
|
C
|
High
|
9
|
Gold
|
118,652
|
3,955
|
B
|
Mid
|
10
|
Lists of earthquakes
|
117,036
|
3,901
|
List
|
High
|
11
|
Volcano
|
116,943
|
3,898
|
B
|
Top
|
12
|
Climate change
|
116,457
|
3,881
|
FA
|
High
|
13
|
Kitum Cave
|
107,034
|
3,567
|
Start
|
Low
|
14
|
Mariana Trench
|
104,630
|
3,487
|
C
|
Mid
|
15
|
Ring of Fire
|
101,824
|
3,394
|
C
|
High
|
16
|
Niagara Falls
|
101,516
|
3,383
|
B
|
Mid
|
17
|
Monte Carlo
|
95,338
|
3,177
|
C
|
Low
|
18
|
Mount Vesuvius
|
93,247
|
3,108
|
B
|
Mid
|
19
|
Asbestos
|
91,423
|
3,047
|
B
|
Low
|
20
|
Plate tectonics
|
88,335
|
2,944
|
B
|
Top
|
21
|
Mount Sinai
|
85,303
|
2,843
|
Start
|
Mid
|
22
|
Geologic time scale
|
84,313
|
2,810
|
B
|
Top
|
23
|
Diamond
|
83,737
|
2,791
|
FA
|
Mid
|
24
|
Tsunami
|
83,630
|
2,787
|
B
|
High
|
25
|
Yellowstone National Park
|
82,012
|
2,733
|
B
|
High
|
26
|
Scientific method
|
81,329
|
2,710
|
B
|
Top
|
27
|
Planet
|
78,094
|
2,603
|
FA
|
Mid
|
28
|
Mount St. Helens
|
77,246
|
2,574
|
B
|
High
|
29
|
1960 Valdivia earthquake
|
70,698
|
2,356
|
C
|
High
|
30
|
Grand Canyon
|
70,267
|
2,342
|
B
|
High
|
31
|
Indian subcontinent
|
70,166
|
2,338
|
B
|
High
|
32
|
Obsidian
|
68,863
|
2,295
|
C
|
High
|
33
|
Black Stone
|
68,494
|
2,283
|
GA
|
Low
|
34
|
Quartz
|
68,373
|
2,279
|
B
|
Top
|
35
|
Pangaea
|
66,908
|
2,230
|
B
|
High
|
36
|
Atmosphere of Earth
|
66,321
|
2,210
|
C
|
High
|
37
|
Kola Superdeep Borehole
|
65,628
|
2,187
|
C
|
Low
|
38
|
2023 Turkey–Syria earthquakes
|
64,741
|
2,158
|
B
|
Mid
|
39
|
Cretaceous–Paleogene extinction event
|
63,948
|
2,131
|
FA
|
High
|
40
|
Tunguska event
|
63,293
|
2,109
|
B
|
Mid
|
41
|
Sapphire
|
62,853
|
2,095
|
B
|
Mid
|
42
|
Silicon dioxide
|
61,566
|
2,052
|
B
|
High
|
43
|
Diatomaceous earth
|
60,813
|
2,027
|
B
|
Low
|
44
|
Ice age
|
60,162
|
2,005
|
B
|
Top
|
45
|
Rocky Mountains
|
59,381
|
1,979
|
B
|
High
|
46
|
Toba catastrophe theory
|
59,214
|
1,973
|
B
|
Low
|
47
|
Death Valley
|
58,796
|
1,959
|
C
|
Top
|
48
|
Greenhouse gas
|
57,657
|
1,921
|
B
|
Mid
|
49
|
Limestone
|
56,224
|
1,874
|
C
|
Top
|
50
|
1980 eruption of Mount St. Helens
|
55,587
|
1,852
|
FA
|
High
|
51
|
Archaea
|
55,312
|
1,843
|
FA
|
High
|
52
|
Calcium carbonate
|
55,196
|
1,839
|
B
|
Top
|
53
|
Holocene
|
54,581
|
1,819
|
C
|
High
|
54
|
San Andreas Fault
|
54,424
|
1,814
|
C
|
High
|
55
|
Desert
|
54,244
|
1,808
|
GA
|
Mid
|
56
|
Pyrite
|
54,023
|
1,800
|
C
|
Mid
|
57
|
Great Glen Fault
|
52,867
|
1,762
|
Start
|
Low
|
58
|
Richat Structure
|
52,595
|
1,753
|
B
|
Low
|
59
|
Amethyst
|
52,271
|
1,742
|
C
|
Mid
|
60
|
1883 eruption of Krakatoa
|
52,012
|
1,733
|
B
|
Low
|
61
|
Abiogenesis
|
51,994
|
1,733
|
GA
|
High
|
62
|
Xiaozhai Tiankeng
|
50,952
|
1,698
|
Start
|
Low
|
63
|
Australia (continent)
|
50,352
|
1,678
|
C
|
High
|
64
|
Earth's rotation
|
50,143
|
1,671
|
B
|
High
|
65
|
Victoria Falls
|
49,533
|
1,651
|
B
|
Mid
|
66
|
1958 Lituya Bay earthquake and megatsunami
|
49,121
|
1,637
|
B
|
Low
|
67
|
Stratovolcano
|
49,036
|
1,634
|
C
|
Mid
|
68
|
1906 San Francisco earthquake
|
48,741
|
1,624
|
C
|
High
|
69
|
Anthracite
|
47,643
|
1,588
|
Start
|
Mid
|
70
|
Pleistocene
|
47,507
|
1,583
|
B
|
High
|
71
|
Natural science
|
47,502
|
1,583
|
B
|
High
|
72
|
Timeline of the far future
|
47,447
|
1,581
|
FL
|
Mid
|
73
|
San Fernando Valley
|
46,801
|
1,560
|
Start
|
Low
|
74
|
Cretaceous
|
46,619
|
1,553
|
B
|
Top
|
75
|
Emerald
|
46,250
|
1,541
|
C
|
Low
|
76
|
Devon
|
45,886
|
1,529
|
C
|
Mid
|
77
|
Permian–Triassic extinction event
|
45,553
|
1,518
|
B
|
High
|
78
|
Extinction event
|
45,146
|
1,504
|
B
|
High
|
79
|
Fossil
|
45,142
|
1,504
|
B
|
Top
|
80
|
Amber
|
44,620
|
1,487
|
B
|
Mid
|
81
|
Jurassic
|
44,224
|
1,474
|
B
|
Top
|
82
|
Granite
|
44,088
|
1,469
|
B
|
Top
|
83
|
Meteoroid
|
44,075
|
1,469
|
C
|
Mid
|
84
|
Gypsum
|
43,237
|
1,441
|
C
|
Mid
|
85
|
Fossil fuel
|
43,091
|
1,436
|
C
|
High
|
86
|
Mountain
|
42,994
|
1,433
|
B
|
High
|
87
|
Jade
|
42,776
|
1,425
|
B
|
Mid
|
88
|
Coal
|
42,727
|
1,424
|
C
|
High
|
89
|
Hydrogen sulfide
|
42,276
|
1,409
|
B
|
Low
|
90
|
List of deserts by area
|
42,067
|
1,402
|
List
|
Low
|
91
|
Younger Dryas
|
41,849
|
1,394
|
B
|
Low
|
92
|
Yellowstone Caldera
|
40,986
|
1,366
|
C
|
High
|
93
|
Holocene extinction
|
40,919
|
1,363
|
B
|
Mid
|
94
|
Carnian pluvial episode
|
39,756
|
1,325
|
C
|
Low
|
95
|
Seismic magnitude scales
|
39,605
|
1,320
|
Start
|
High
|
96
|
Nickel
|
39,444
|
1,314
|
GA
|
High
|
97
|
Gemstone
|
39,366
|
1,312
|
C
|
Low
|
98
|
Gondwana
|
39,020
|
1,300
|
B
|
High
|
99
|
River
|
38,891
|
1,296
|
C
|
High
|
100
|
Metal
|
37,973
|
1,265
|
C
|
Mid
|
101
|
Natural environment
|
37,940
|
1,264
|
B
|
High
|
102
|
Ruby
|
37,735
|
1,257
|
B
|
Mid
|
103
|
Cenote
|
36,980
|
1,232
|
Start
|
Low
|
104
|
History of Earth
|
36,634
|
1,221
|
B
|
Top
|
105
|
Natural resource
|
36,627
|
1,220
|
C
|
Low
|
106
|
Theia (planet)
|
36,380
|
1,212
|
C
|
Low
|
107
|
Cambrian
|
35,992
|
1,199
|
C
|
Top
|
108
|
Fault (geology)
|
35,882
|
1,196
|
C
|
Top
|
109
|
Precambrian
|
35,785
|
1,192
|
B
|
Top
|
110
|
Moissanite
|
35,676
|
1,189
|
C
|
Low
|
111
|
Mount Sinai (Bible)
|
35,513
|
1,183
|
B
|
Low
|
112
|
Challenger Deep
|
35,483
|
1,182
|
C
|
Mid
|
113
|
Fjord
|
34,876
|
1,162
|
C
|
High
|
114
|
Clay
|
34,754
|
1,158
|
B
|
Mid
|
115
|
Carboniferous
|
34,467
|
1,148
|
B
|
Top
|
116
|
Triassic
|
34,167
|
1,138
|
B
|
Top
|
117
|
Phylum
|
34,134
|
1,137
|
C
|
Mid
|
118
|
Estuary
|
33,831
|
1,127
|
C
|
Mid
|
119
|
Lava
|
33,761
|
1,125
|
B
|
Top
|
120
|
Basalt
|
33,190
|
1,106
|
GA
|
Top
|
121
|
Phases of ice
|
32,853
|
1,095
|
C
|
Top
|
122
|
Igneous rock
|
32,629
|
1,087
|
B
|
Top
|
123
|
Zealandia
|
32,602
|
1,086
|
C
|
Mid
|
124
|
Dune
|
32,384
|
1,079
|
C
|
High
|
125
|
Gehenna
|
32,297
|
1,076
|
C
|
Low
|
126
|
Iridium
|
32,026
|
1,067
|
B
|
Mid
|
127
|
1815 eruption of Mount Tambora
|
31,969
|
1,065
|
C
|
Low
|
128
|
Last Glacial Period
|
31,952
|
1,065
|
B
|
Mid
|
129
|
Marble
|
31,907
|
1,063
|
Start
|
High
|
130
|
Doggerland
|
31,667
|
1,055
|
C
|
Low
|
131
|
Permian
|
31,556
|
1,051
|
B
|
Top
|
132
|
Supervolcano
|
31,459
|
1,048
|
Start
|
Mid
|
133
|
Future of Earth
|
31,429
|
1,047
|
GA
|
Mid
|
134
|
Arthur's Seat
|
31,417
|
1,047
|
C
|
Mid
|
135
|
Turquoise
|
31,293
|
1,043
|
B
|
Mid
|
136
|
Mica
|
31,282
|
1,042
|
B
|
Mid
|
137
|
Asteroid
|
31,262
|
1,042
|
B
|
Mid
|
138
|
Earth's magnetic field
|
30,914
|
1,030
|
GA
|
Top
|
139
|
Soil
|
30,811
|
1,027
|
B
|
Top
|
140
|
Devonian
|
30,804
|
1,026
|
B
|
Top
|
141
|
Sand
|
30,513
|
1,017
|
C
|
Mid
|
142
|
Meteor Crater
|
30,509
|
1,016
|
B
|
Mid
|
143
|
Water cycle
|
30,477
|
1,015
|
C
|
High
|
144
|
Cliffs of Moher
|
30,435
|
1,014
|
C
|
Low
|
145
|
Mesozoic
|
30,083
|
1,002
|
Start
|
High
|
146
|
Mineral
|
30,036
|
1,001
|
B
|
Top
|
147
|
Canadian Shield
|
30,020
|
1,000
|
C
|
High
|
148
|
Mining
|
29,834
|
994
|
B
|
Mid
|
149
|
List of impact structures on Earth
|
29,796
|
993
|
List
|
Mid
|
150
|
Pyroclastic flow
|
29,701
|
990
|
C
|
Mid
|
151
|
Everglades
|
29,601
|
986
|
GA
|
Mid
|
152
|
Plankton
|
29,589
|
986
|
C
|
Mid
|
153
|
Fracking
|
29,579
|
985
|
C
|
Mid
|
154
|
Geothermal energy
|
29,404
|
980
|
B
|
High
|
155
|
Garnet
|
29,249
|
974
|
B
|
Mid
|
156
|
Paleontology
|
29,128
|
970
|
GA
|
Top
|
157
|
Sinkhole
|
28,996
|
966
|
C
|
Low
|
158
|
Travertine
|
28,579
|
952
|
C
|
Low
|
159
|
List of tectonic plates
|
28,497
|
949
|
List
|
Low
|
160
|
Devils Hole
|
28,469
|
948
|
B
|
Low
|
161
|
Mohs scale
|
28,338
|
944
|
C
|
Mid
|
162
|
Earth's circumference
|
28,253
|
941
|
C
|
High
|
163
|
Agate
|
28,194
|
939
|
C
|
Low
|
164
|
Ice
|
27,916
|
930
|
B
|
Top
|
165
|
Natural History Museum, London
|
27,878
|
929
|
C
|
Mid
|
166
|
Neogene
|
27,741
|
924
|
B
|
Top
|
167
|
Triassic–Jurassic extinction event
|
27,594
|
919
|
Start
|
High
|
168
|
Earth's orbit
|
27,564
|
918
|
B
|
High
|
169
|
Rock (geology)
|
27,551
|
918
|
C
|
Top
|
170
|
Karst
|
27,507
|
916
|
C
|
Mid
|
171
|
Petoskey stone
|
27,486
|
916
|
C
|
High
|
172
|
Spherical harmonics
|
27,420
|
914
|
Start
|
Mid
|
173
|
Tourmaline
|
27,404
|
913
|
B
|
Mid
|
174
|
Rare-earth element
|
27,346
|
911
|
B
|
Mid
|
175
|
Stone of Scone
|
27,289
|
909
|
C
|
High
|
176
|
Valley of the Kings
|
27,284
|
909
|
GA
|
Mid
|
177
|
Radiocarbon dating
|
27,268
|
908
|
FA
|
Top
|
178
|
Hematite
|
27,165
|
905
|
B
|
High
|
179
|
Late Pleistocene extinctions
|
27,159
|
905
|
C
|
Low
|
180
|
Hadean
|
27,098
|
903
|
B
|
Mid
|
181
|
Gulf of Mexico
|
27,021
|
900
|
B
|
High
|
182
|
Diatom
|
26,752
|
891
|
B
|
High
|
183
|
Sedimentary rock
|
26,750
|
891
|
B
|
Top
|
184
|
Cenozoic
|
26,739
|
891
|
C
|
High
|
185
|
Drainage basin
|
26,624
|
887
|
C
|
High
|
186
|
Ordovician
|
26,600
|
886
|
B
|
Top
|
187
|
Gravity of Earth
|
26,424
|
880
|
B
|
High
|
188
|
Rock of Gibraltar
|
26,361
|
878
|
C
|
Mid
|
189
|
Cinnabar
|
26,347
|
878
|
C
|
Mid
|
190
|
Henry Cavendish
|
26,288
|
876
|
B
|
Mid
|
191
|
Paleogene
|
25,933
|
864
|
C
|
Top
|
192
|
Beach
|
25,924
|
864
|
C
|
Low
|
193
|
Earth's inner core
|
25,895
|
863
|
B
|
High
|
194
|
Cambrian explosion
|
25,894
|
863
|
B
|
High
|
195
|
Miocene
|
25,793
|
859
|
C
|
High
|
196
|
Anthropocene
|
25,736
|
857
|
B
|
Mid
|
197
|
Glacier
|
25,618
|
853
|
B
|
Top
|
198
|
Iron ore
|
25,576
|
852
|
C
|
Mid
|
199
|
Monument Valley
|
25,524
|
850
|
B
|
Mid
|
200
|
Vermiculite
|
25,502
|
850
|
B
|
Mid
|
201
|
Babi Yar
|
25,452
|
848
|
B
|
High
|
202
|
Caldera
|
25,288
|
842
|
C
|
High
|
203
|
Topaz
|
25,271
|
842
|
C
|
Low
|
204
|
Aquifer
|
25,185
|
839
|
B
|
Low
|
205
|
Megatsunami
|
24,941
|
831
|
B
|
Mid
|
206
|
Mary Anning
|
24,878
|
829
|
FA
|
High
|
207
|
Karakoram
|
24,844
|
828
|
C
|
Unknown
|
208
|
Pamukkale
|
24,823
|
827
|
Start
|
Mid
|
209
|
Land of Goshen
|
24,555
|
818
|
C
|
Low
|
210
|
Feldspar
|
24,203
|
806
|
Start
|
Top
|
211
|
Younger Dryas impact hypothesis
|
24,152
|
805
|
C
|
Mid
|
212
|
Great Rift Valley
|
23,906
|
796
|
C
|
High
|
213
|
Paleozoic
|
23,883
|
796
|
B
|
High
|
214
|
Before Present
|
23,880
|
796
|
Start
|
Mid
|
215
|
Deccan Traps
|
23,843
|
794
|
Start
|
Mid
|
216
|
Stream
|
23,747
|
791
|
Start
|
Mid
|
217
|
Clade
|
23,742
|
791
|
C
|
Mid
|
218
|
Coachella Valley
|
23,692
|
789
|
B
|
Low
|
219
|
Coal mining
|
23,525
|
784
|
B
|
Low
|
220
|
Convergent evolution
|
23,383
|
779
|
GA
|
Mid
|
221
|
Geology
|
23,377
|
779
|
C
|
Top
|
222
|
Shield volcano
|
23,354
|
778
|
B
|
High
|
223
|
Volcanic explosivity index
|
23,307
|
776
|
Start
|
Mid
|
224
|
Weathering
|
23,230
|
774
|
C
|
Top
|
225
|
Crater Lake
|
23,195
|
773
|
GA
|
Mid
|
226
|
Bauxite
|
23,184
|
772
|
C
|
Mid
|
227
|
Quicksand
|
23,091
|
769
|
Start
|
Low
|
228
|
Carnelian
|
23,026
|
767
|
Start
|
Low
|
229
|
2022 Hunga Tonga–Hunga Haʻapai eruption and tsunami
|
22,947
|
764
|
B
|
Low
|
230
|
Meteorite
|
22,784
|
759
|
B
|
High
|
231
|
Impact event
|
22,753
|
758
|
B
|
High
|
232
|
Zeolite
|
22,750
|
758
|
B
|
Mid
|
233
|
Great Oxidation Event
|
22,722
|
757
|
C
|
High
|
234
|
Vredefort impact structure
|
22,439
|
747
|
Start
|
Mid
|
235
|
Quaternary
|
22,435
|
747
|
C
|
High
|
236
|
Kaolinite
|
22,397
|
746
|
C
|
Low
|
237
|
Mauna Loa
|
22,242
|
741
|
FA
|
High
|
238
|
Endorheic basin
|
22,228
|
740
|
C
|
Low
|
239
|
Eocene
|
22,117
|
737
|
B
|
High
|
240
|
Phanerozoic
|
22,108
|
736
|
B
|
High
|
241
|
Waterfall
|
21,967
|
732
|
B
|
Mid
|
242
|
Talc
|
21,942
|
731
|
C
|
Mid
|
243
|
Chelyabinsk meteor
|
21,719
|
723
|
B
|
High
|
244
|
Young Earth creationism
|
21,689
|
722
|
B
|
High
|
245
|
Groundwater
|
21,502
|
716
|
C
|
High
|
246
|
Flint
|
21,441
|
714
|
Start
|
Low
|
247
|
Peridot
|
21,437
|
714
|
C
|
Mid
|
248
|
Internal structure of Earth
|
21,431
|
714
|
C
|
High
|
249
|
Moment magnitude scale
|
21,344
|
711
|
C
|
Mid
|
250
|
Beryl
|
21,267
|
708
|
C
|
Mid
|
251
|
Salar de Uyuni
|
20,826
|
694
|
C
|
Low
|
252
|
Beringia
|
20,685
|
689
|
B
|
Mid
|
253
|
Malachite
|
20,535
|
684
|
C
|
High
|
254
|
List of minerals
|
20,431
|
681
|
List
|
High
|
255
|
Silurian
|
20,271
|
675
|
B
|
Top
|
256
|
Avalanche
|
20,264
|
675
|
B
|
High
|
257
|
Calcite
|
20,033
|
667
|
C
|
Mid
|
258
|
Badlands
|
19,995
|
666
|
Start
|
Mid
|
259
|
Metamorphic rock
|
19,979
|
665
|
B
|
Top
|
260
|
Aquamarine (gem)
|
19,958
|
665
|
C
|
Low
|
261
|
List of tsunamis
|
19,890
|
663
|
C
|
Mid
|
262
|
Chalcedony
|
19,819
|
660
|
Start
|
Low
|
263
|
Corundum
|
19,745
|
658
|
C
|
Low
|
264
|
Antediluvian
|
19,731
|
657
|
B
|
Low
|
265
|
Sandstone
|
19,726
|
657
|
C
|
Mid
|
266
|
Sea level rise
|
19,723
|
657
|
GA
|
High
|
267
|
River delta
|
19,659
|
655
|
C
|
High
|
268
|
Milankovitch cycles
|
19,646
|
654
|
B
|
High
|
269
|
Valley
|
19,613
|
653
|
C
|
High
|
270
|
Age of Earth
|
19,594
|
653
|
B
|
Top
|
271
|
Yonaguni Monument
|
19,424
|
647
|
Start
|
Low
|
272
|
Laminar flow
|
19,211
|
640
|
C
|
Mid
|
273
|
Geode
|
19,104
|
636
|
C
|
Mid
|
274
|
Archean
|
19,024
|
634
|
C
|
High
|
275
|
Lithosphere
|
18,930
|
631
|
C
|
High
|
276
|
Types of volcanic eruptions
|
18,907
|
630
|
GA
|
High
|
277
|
Plateau
|
18,850
|
628
|
Start
|
High
|
278
|
Blue hole
|
18,775
|
625
|
Start
|
Low
|
279
|
Soil erosion
|
18,773
|
625
|
C
|
Mid
|
280
|
2008 Sichuan earthquake
|
18,684
|
622
|
B
|
Mid
|
281
|
Canyon
|
18,584
|
619
|
Start
|
Mid
|
282
|
Great Basin
|
18,514
|
617
|
C
|
Mid
|
283
|
Rub' al Khali
|
18,488
|
616
|
Start
|
High
|
284
|
Lake Toba
|
18,413
|
613
|
GA
|
High
|
285
|
Magnetite
|
18,400
|
613
|
C
|
High
|
286
|
Levee
|
18,332
|
611
|
Start
|
Mid
|
287
|
Chesapeake Bay impact crater
|
18,304
|
610
|
Start
|
Low
|
288
|
Landslide
|
18,173
|
605
|
B
|
High
|
289
|
Trinitite
|
18,140
|
604
|
C
|
Low
|
290
|
Eternal flame
|
18,102
|
603
|
Start
|
Low
|
291
|
Zircon
|
18,041
|
601
|
B
|
Mid
|
292
|
Alabaster
|
18,013
|
600
|
Start
|
Low
|
293
|
Snowball Earth
|
17,809
|
593
|
B
|
High
|
294
|
Pumice
|
17,748
|
591
|
C
|
High
|
295
|
Magma
|
17,747
|
591
|
B
|
Top
|
296
|
Chalk
|
17,736
|
591
|
C
|
Low
|
297
|
Crystal skull
|
17,697
|
589
|
B
|
Low
|
298
|
Epicenter
|
17,673
|
589
|
C
|
High
|
299
|
Hot spring
|
17,640
|
588
|
B
|
Mid
|
300
|
Central Valley (California)
|
17,531
|
584
|
B
|
Low
|
301
|
Megathrust earthquake
|
17,441
|
581
|
Start
|
Mid
|
302
|
Global catastrophic risk
|
17,407
|
580
|
B
|
Low
|
303
|
Supercontinent
|
17,396
|
579
|
C
|
High
|
304
|
Bentonite
|
17,325
|
577
|
C
|
Mid
|
305
|
Texas Hill Country
|
17,299
|
576
|
C
|
Low
|
306
|
United States Geological Survey
|
17,286
|
576
|
B
|
High
|
307
|
Erosion
|
17,275
|
575
|
C
|
Top
|
308
|
Carbon capture and storage
|
17,224
|
574
|
C
|
Mid
|
309
|
Swamp
|
17,113
|
570
|
C
|
Low
|
310
|
Aftershock
|
17,030
|
567
|
B
|
Mid
|
311
|
Last Glacial Maximum
|
17,012
|
567
|
C
|
Mid
|
312
|
Hydrothermal vent
|
16,708
|
556
|
C
|
Mid
|
313
|
Apennine Mountains
|
16,667
|
555
|
C
|
Low
|
314
|
Stromatolite
|
16,666
|
555
|
B
|
Top
|
315
|
List of rock types
|
16,658
|
555
|
List
|
High
|
316
|
Jurassic Coast
|
16,643
|
554
|
GA
|
Mid
|
317
|
Pliocene
|
16,519
|
550
|
B
|
High
|
318
|
Olivine
|
16,506
|
550
|
C
|
High
|
319
|
Minoan eruption
|
16,452
|
548
|
GA
|
Low
|
320
|
Continental drift
|
16,410
|
547
|
B
|
High
|
321
|
Giant-impact hypothesis
|
16,323
|
544
|
B
|
High
|
322
|
Slate
|
16,314
|
543
|
Start
|
Mid
|
323
|
Mississippi Delta
|
16,145
|
538
|
C
|
Low
|
324
|
Fluorite
|
16,116
|
537
|
B
|
Mid
|
325
|
Bryce Canyon National Park
|
16,094
|
536
|
FA
|
High
|
326
|
Silicate mineral
|
16,091
|
536
|
Start
|
Mid
|
327
|
List of largest volcanic eruptions
|
16,074
|
535
|
FL
|
Mid
|
328
|
Timeline of the evolutionary history of life
|
16,024
|
534
|
B
|
Mid
|
329
|
Proterozoic
|
16,014
|
533
|
C
|
High
|
330
|
Perlite
|
15,977
|
532
|
C
|
Mid
|
331
|
Spring (hydrology)
|
15,957
|
531
|
C
|
Mid
|
332
|
Cave
|
15,956
|
531
|
B
|
Mid
|
333
|
Afro-Eurasia
|
15,944
|
531
|
Start
|
Mid
|
334
|
Seismic wave
|
15,846
|
528
|
C
|
High
|
335
|
Artesian well
|
15,831
|
527
|
Start
|
Mid
|
336
|
Earth's crust
|
15,604
|
520
|
C
|
High
|
337
|
Meteor shower
|
15,563
|
518
|
C
|
Low
|
338
|
Littoral zone
|
15,547
|
518
|
Start
|
Low
|
339
|
Cubic crystal system
|
15,494
|
516
|
C
|
Low
|
340
|
Ore
|
15,475
|
515
|
Start
|
Top
|
341
|
Fiber
|
15,465
|
515
|
C
|
Low
|
342
|
Gold mining
|
15,423
|
514
|
C
|
Unknown
|
343
|
Labradorite
|
15,385
|
512
|
Start
|
Low
|
344
|
Abundance of elements in Earth's crust
|
15,352
|
511
|
List
|
Mid
|
345
|
Exoskeleton
|
15,321
|
510
|
C
|
Low
|
346
|
Scientific law
|
15,283
|
509
|
C
|
Mid
|
347
|
Gneiss
|
15,167
|
505
|
Start
|
Mid
|
348
|
Lignite
|
15,155
|
505
|
C
|
Low
|
349
|
Oxbow lake
|
15,004
|
500
|
B
|
Mid
|
350
|
Pierre Teilhard de Chardin
|
14,942
|
498
|
B
|
Low
|
351
|
Mount Horeb
|
14,928
|
497
|
B
|
Low
|
352
|
Sea level
|
14,848
|
494
|
Start
|
High
|
353
|
Shale
|
14,680
|
489
|
C
|
Mid
|
354
|
Dolomite (mineral)
|
14,546
|
484
|
C
|
Mid
|
355
|
Birefringence
|
14,523
|
484
|
B
|
Mid
|
356
|
Quartzite
|
14,436
|
481
|
Start
|
Low
|
357
|
Chert
|
14,390
|
479
|
B
|
Mid
|
358
|
Wadi
|
14,368
|
478
|
Start
|
Low
|
359
|
List of lost lands
|
14,366
|
478
|
List
|
Unknown
|
360
|
Bedrock
|
14,330
|
477
|
Start
|
Mid
|
361
|
Mid-Atlantic Ridge
|
14,288
|
476
|
Start
|
High
|
362
|
Dal Lake
|
14,274
|
475
|
GA
|
Low
|
363
|
Quarry
|
14,252
|
475
|
Start
|
Mid
|
364
|
Water table
|
14,245
|
474
|
Start
|
Mid
|
365
|
Late Ordovician mass extinction
|
14,203
|
473
|
Start
|
High
|
366
|
Schist
|
14,125
|
470
|
Start
|
Mid
|
367
|
North magnetic pole
|
14,113
|
470
|
B
|
High
|
368
|
East African Rift
|
14,068
|
468
|
B
|
Mid
|
369
|
Continental shelf
|
14,047
|
468
|
Start
|
Mid
|
370
|
Hoba meteorite
|
14,027
|
467
|
Start
|
Mid
|
371
|
Grand Prismatic Spring
|
13,947
|
464
|
Start
|
Mid
|
372
|
Lahar
|
13,915
|
463
|
C
|
Low
|
373
|
List of natural phenomena
|
13,846
|
461
|
Stub
|
Unknown
|
374
|
Figure of the Earth
|
13,843
|
461
|
C
|
Mid
|
375
|
Moraine
|
13,815
|
460
|
Start
|
Low
|
376
|
Safa and Marwa
|
13,786
|
459
|
Start
|
High
|
377
|
Edmond Halley
|
13,785
|
459
|
C
|
Mid
|
378
|
Zanclean flood
|
13,765
|
458
|
B
|
Low
|
379
|
Hudson Valley
|
13,738
|
457
|
C
|
Mid
|
380
|
Rauk
|
13,641
|
454
|
Stub
|
Low
|
381
|
Tethys Ocean
|
13,622
|
454
|
C
|
High
|
382
|
History of life
|
13,605
|
453
|
GA
|
Top
|
383
|
Shoal
|
13,575
|
452
|
C
|
Low
|
384
|
Sintering
|
13,434
|
447
|
C
|
Mid
|
385
|
Alluvium
|
13,302
|
443
|
Start
|
High
|
386
|
Congo Basin
|
13,301
|
443
|
Start
|
Low
|
387
|
Geodesy
|
13,290
|
443
|
C
|
High
|
388
|
Indo-Gangetic Plain
|
13,202
|
440
|
C
|
High
|
389
|
Cagayan Valley
|
13,155
|
438
|
Start
|
Low
|
390
|
Geomagnetic reversal
|
13,129
|
437
|
C
|
High
|
391
|
Subduction
|
13,125
|
437
|
B
|
Top
|
392
|
Selenite (mineral)
|
13,088
|
436
|
C
|
Mid
|
393
|
Badlands National Park
|
13,070
|
435
|
B
|
Low
|
394
|
Driftless Area
|
12,915
|
430
|
B
|
Mid
|
395
|
Soil liquefaction
|
12,887
|
429
|
B
|
Mid
|
396
|
Carbon sequestration
|
12,860
|
428
|
B
|
Low
|
397
|
Origin of water on Earth
|
12,847
|
428
|
C
|
High
|
398
|
Siberian Traps
|
12,846
|
428
|
Start
|
High
|
399
|
Limnic eruption
|
12,820
|
427
|
B
|
Mid
|
400
|
Moldavite
|
12,796
|
426
|
Start
|
Low
|
401
|
Silt
|
12,765
|
425
|
Start
|
Mid
|
402
|
Convergent boundary
|
12,740
|
424
|
Start
|
Mid
|
403
|
Quaternary glaciation
|
12,729
|
424
|
B
|
Low
|
404
|
Geyser
|
12,690
|
423
|
GA
|
High
|
405
|
Gulf of Aqaba
|
12,658
|
421
|
C
|
Low
|
406
|
Earth science
|
12,653
|
421
|
C
|
Top
|
407
|
Arabian Desert
|
12,625
|
420
|
Start
|
High
|
408
|
Messinian salinity crisis
|
12,506
|
416
|
Start
|
Mid
|
409
|
Mawuena Trebarh
|
12,489
|
416
|
Start
|
Low
|
410
|
Stratospheric aerosol injection
|
12,445
|
414
|
C
|
High
|
411
|
Thunderegg
|
12,432
|
414
|
Start
|
Low
|
412
|
Rockall
|
12,399
|
413
|
B
|
Mid
|
413
|
Pangaea Proxima
|
12,359
|
411
|
Start
|
Mid
|
414
|
Hoodoo (geology)
|
12,345
|
411
|
Start
|
Mid
|
415
|
Landform
|
12,339
|
411
|
Start
|
High
|
416
|
Soapstone
|
12,297
|
409
|
C
|
Mid
|
417
|
Chernobylite
|
12,272
|
409
|
Stub
|
Low
|
418
|
Rhyolite
|
12,223
|
407
|
B
|
High
|
419
|
Lodestone
|
12,199
|
406
|
Start
|
Low
|
420
|
Late Pleistocene
|
12,196
|
406
|
Start
|
Mid
|
421
|
Alfred Wegener
|
12,191
|
406
|
C
|
Mid
|
422
|
Tuff
|
12,142
|
404
|
C
|
High
|
423
|
Iranian Plateau
|
12,119
|
403
|
C
|
Mid
|
424
|
Ediacaran
|
12,114
|
403
|
B
|
High
|
425
|
Ground-penetrating radar
|
12,071
|
402
|
Start
|
Mid
|
426
|
Mid-ocean ridge
|
12,034
|
401
|
C
|
High
|
427
|
Escarpment
|
12,027
|
400
|
Start
|
Mid
|
428
|
Natural history
|
11,926
|
397
|
C
|
High
|
429
|
Loire Valley
|
11,896
|
396
|
Start
|
Mid
|
430
|
Inland sea
|
11,860
|
395
|
Start
|
Mid
|
431
|
Peak oil
|
11,750
|
391
|
C
|
High
|
432
|
Plinian eruption
|
11,663
|
388
|
C
|
Mid
|
433
|
Climate change mitigation
|
11,639
|
387
|
C
|
Low
|
434
|
San Joaquin Valley
|
11,564
|
385
|
C
|
Low
|
435
|
Nile Delta
|
11,549
|
384
|
C
|
Mid
|
436
|
Lehigh Valley
|
11,549
|
384
|
B
|
Unknown
|
437
|
Stalactite
|
11,484
|
382
|
Start
|
Low
|
438
|
Timeline of first images of Earth from space
|
11,468
|
382
|
List
|
Low
|
439
|
Riprap
|
11,402
|
380
|
Stub
|
Low
|
440
|
Old Faithful
|
11,327
|
377
|
B
|
Mid
|
441
|
Western Interior Seaway
|
11,319
|
377
|
C
|
Mid
|
442
|
Gravel
|
11,257
|
375
|
Start
|
Mid
|
443
|
Hypocenter
|
11,214
|
373
|
Start
|
High
|
444
|
Natural nuclear fission reactor
|
11,112
|
370
|
C
|
Low
|
445
|
Patina
|
11,045
|
368
|
C
|
Low
|
446
|
Plain
|
11,027
|
367
|
Start
|
Mid
|
447
|
Foraminifera
|
11,004
|
366
|
C
|
Mid
|
448
|
Oceanic trench
|
11,000
|
366
|
B
|
High
|
449
|
Cryovolcano
|
10,980
|
366
|
C
|
Low
|
450
|
Earth mass
|
10,976
|
365
|
Start
|
Low
|
451
|
North American Plate
|
10,866
|
362
|
Start
|
High
|
452
|
List of places on land with elevations below sea level
|
10,825
|
360
|
List
|
Low
|
453
|
Ediacaran biota
|
10,812
|
360
|
FA
|
High
|
454
|
Meander
|
10,792
|
359
|
C
|
Mid
|
455
|
Pannonian Basin
|
10,778
|
359
|
Start
|
Mid
|
456
|
Late Heavy Bombardment
|
10,689
|
356
|
C
|
Mid
|
457
|
Taiwan Strait
|
10,652
|
355
|
C
|
Low
|
458
|
Serpentinite
|
10,650
|
355
|
B
|
High
|
459
|
Laurasia
|
10,647
|
354
|
B
|
High
|
460
|
Oil sands
|
10,639
|
354
|
C
|
Mid
|
461
|
Late Devonian extinction
|
10,617
|
353
|
C
|
Mid
|
462
|
Late Cretaceous
|
10,602
|
353
|
Start
|
Low
|
463
|
Cave of the Crystals
|
10,599
|
353
|
B
|
Mid
|
464
|
Near-Earth object
|
10,594
|
353
|
GA
|
Mid
|
465
|
Paleocene
|
10,541
|
351
|
FA
|
High
|
466
|
Earth's mantle
|
10,537
|
351
|
B
|
Top
|
467
|
Hexagonal crystal family
|
10,536
|
351
|
C
|
Low
|
468
|
Biogeochemical cycle
|
10,485
|
349
|
B
|
Mid
|
469
|
Ogallala Aquifer
|
10,478
|
349
|
B
|
High
|
470
|
Armenian highlands
|
10,460
|
348
|
C
|
Low
|
471
|
Inselberg
|
10,430
|
347
|
C
|
Mid
|
472
|
Aragonite
|
10,400
|
346
|
C
|
Mid
|
473
|
Fulgurite
|
10,381
|
346
|
C
|
Low
|
474
|
Shatt al-Arab
|
10,352
|
345
|
C
|
Low
|
475
|
Glossary of landforms
|
10,343
|
344
|
List
|
Mid
|
476
|
Andesite
|
10,319
|
343
|
B
|
High
|
477
|
Porphyry (geology)
|
10,294
|
343
|
Start
|
Mid
|
478
|
Cliff
|
10,278
|
342
|
Start
|
Mid
|
479
|
Fumarole
|
10,205
|
340
|
Start
|
Mid
|
480
|
Sundaland
|
10,082
|
336
|
Start
|
Low
|
481
|
RNA world
|
10,081
|
336
|
C
|
Low
|
482
|
Geomorphology
|
10,069
|
335
|
B
|
High
|
483
|
Apatite
|
10,041
|
334
|
C
|
Mid
|
484
|
Cummingtonite
|
10,021
|
334
|
Start
|
Low
|
485
|
Llano Estacado
|
10,002
|
333
|
C
|
Low
|
486
|
Dolomite (rock)
|
9,999
|
333
|
Start
|
Mid
|
487
|
Billabong
|
9,994
|
333
|
Start
|
Low
|
488
|
Perovskite
|
9,958
|
331
|
C
|
Low
|
489
|
Lake Agassiz
|
9,913
|
330
|
C
|
Low
|
490
|
Shenandoah Valley
|
9,900
|
330
|
C
|
High
|
491
|
Coltan
|
9,896
|
329
|
B
|
Low
|
492
|
Sierra Madre Occidental
|
9,780
|
326
|
B
|
Low
|
493
|
Lava dome
|
9,728
|
324
|
Start
|
Mid
|
494
|
Lower Rio Grande Valley
|
9,715
|
323
|
B
|
Low
|
495
|
Intraplate earthquake
|
9,702
|
323
|
Start
|
Low
|
496
|
Rodinia
|
9,700
|
323
|
B
|
High
|
497
|
Cretaceous–Paleogene boundary
|
9,673
|
322
|
C
|
High
|
498
|
Oligocene
|
9,668
|
322
|
B
|
High
|
499
|
Divergent boundary
|
9,667
|
322
|
Start
|
Mid
|
500
|
Radiometric dating
|
9,658
|
321
|
B
|
High
|
501
|
Geoid
|
9,651
|
321
|
C
|
Mid
|
502
|
Indian Plate
|
9,599
|
319
|
C
|
Mid
|
503
|
David A. Johnston
|
9,596
|
319
|
FA
|
Low
|
504
|
Magnetic declination
|
9,570
|
319
|
C
|
Low
|
505
|
Holocene calendar
|
9,533
|
317
|
C
|
Low
|
506
|
Black Sea deluge hypothesis
|
9,531
|
317
|
Start
|
Low
|
507
|
Ridge
|
9,509
|
316
|
Start
|
Mid
|
508
|
Perovskite (structure)
|
9,462
|
315
|
Start
|
Low
|
509
|
Niagara Escarpment
|
9,461
|
315
|
Start
|
Low
|
510
|
Geothermal power
|
9,425
|
314
|
C
|
Mid
|
511
|
Refractory
|
9,384
|
312
|
B
|
Low
|
512
|
Long Valley Caldera
|
9,340
|
311
|
B
|
Mid
|
513
|
Orogeny
|
9,338
|
311
|
C
|
High
|
514
|
Horseshoe Bend (Arizona)
|
9,250
|
308
|
Start
|
Low
|
515
|
Laurentia
|
9,222
|
307
|
C
|
High
|
516
|
Stalagmite
|
9,205
|
306
|
Start
|
Low
|
517
|
Morganite (gem)
|
9,168
|
305
|
Stub
|
Mid
|
518
|
Earth's outer core
|
9,163
|
305
|
Start
|
High
|
519
|
Concretion
|
9,120
|
304
|
B
|
Low
|
520
|
Chota Nagpur Plateau
|
9,112
|
303
|
C
|
Mid
|
521
|
Storegga Slide
|
9,034
|
301
|
C
|
Mid
|
522
|
Volcanism of Italy
|
9,032
|
301
|
Start
|
Mid
|
523
|
Adaptive radiation
|
8,993
|
299
|
Start
|
Mid
|
524
|
Manicouagan Reservoir
|
8,967
|
298
|
Start
|
Low
|
525
|
Salt pan (geology)
|
8,949
|
298
|
Start
|
Top
|
526
|
Fennoscandia
|
8,928
|
297
|
Stub
|
Low
|
527
|
Bituminous coal
|
8,896
|
296
|
B
|
Low
|
528
|
Primordial nuclide
|
8,890
|
296
|
Start
|
Low
|
529
|
Moon rock
|
8,881
|
296
|
C
|
High
|
530
|
Summit
|
8,874
|
295
|
Start
|
Mid
|
531
|
Long Island Sound
|
8,867
|
295
|
B
|
Mid
|
532
|
Ocean acidification
|
8,826
|
294
|
B
|
Mid
|
533
|
Chrysoberyl
|
8,825
|
294
|
Start
|
Mid
|
534
|
Cinder cone
|
8,787
|
292
|
Start
|
Low
|
535
|
Azurite
|
8,784
|
292
|
C
|
Low
|
536
|
Cataclysmic pole shift hypothesis
|
8,752
|
291
|
Start
|
Low
|
537
|
Desiccation
|
8,750
|
291
|
C
|
Low
|
538
|
Cryogenian
|
8,708
|
290
|
Start
|
Mid
|
539
|
Crystal system
|
8,690
|
289
|
C
|
Mid
|
540
|
Porosity
|
8,688
|
289
|
Start
|
High
|
541
|
Ammonium bituminosulfonate
|
8,670
|
289
|
Start
|
Low
|
542
|
Mount Seir
|
8,647
|
288
|
Start
|
Low
|
543
|
List of historical earthquakes
|
8,643
|
288
|
List
|
Mid
|
544
|
Tepui
|
8,642
|
288
|
Start
|
Low
|
545
|
Bolide
|
8,636
|
287
|
C
|
High
|
546
|
Abyssal plain
|
8,615
|
287
|
GA
|
Top
|
547
|
Marl
|
8,596
|
286
|
C
|
Low
|
548
|
Glacial period
|
8,591
|
286
|
Start
|
Mid
|
549
|
Loess
|
8,589
|
286
|
Start
|
Low
|
550
|
Timeline of glaciation
|
8,582
|
286
|
List
|
Low
|
551
|
Reef
|
8,574
|
285
|
Start
|
Mid
|
552
|
Geotechnical engineering
|
8,551
|
285
|
C
|
High
|
553
|
Willamette Valley
|
8,526
|
284
|
C
|
Unknown
|
554
|
Hydrosphere
|
8,500
|
283
|
C
|
High
|
555
|
Hydrology
|
8,495
|
283
|
C
|
Top
|
556
|
Massif
|
8,489
|
282
|
Start
|
Mid
|
557
|
List of deserts
|
8,486
|
282
|
List
|
Low
|
558
|
Valley of Mexico
|
8,468
|
282
|
B
|
Mid
|
559
|
Tombolo
|
8,457
|
281
|
Start
|
Low
|
560
|
Kriging
|
8,447
|
281
|
C
|
Mid
|
561
|
Impact crater
|
8,437
|
281
|
C
|
Top
|
562
|
Manila Trench
|
8,371
|
279
|
Start
|
Mid
|
563
|
Biogeography
|
8,367
|
278
|
Start
|
Mid
|
564
|
Glen
|
8,342
|
278
|
Stub
|
Low
|
565
|
Petroleum reservoir
|
8,274
|
275
|
B
|
Mid
|
566
|
Volcanic plug
|
8,268
|
275
|
Start
|
Mid
|
567
|
Cirque
|
8,248
|
274
|
C
|
Low
|
568
|
Gabbro
|
8,217
|
273
|
C
|
High
|
569
|
Evolutionary history of plants
|
8,154
|
271
|
B
|
High
|
570
|
Sediment
|
8,136
|
271
|
Start
|
High
|
571
|
Cascade Volcanoes
|
8,118
|
270
|
C
|
Mid
|
572
|
Salt marsh
|
8,110
|
270
|
B
|
Low
|
573
|
Iron Gates
|
8,106
|
270
|
C
|
Low
|
574
|
Kyanite
|
8,105
|
270
|
Start
|
Mid
|
575
|
Climate variability and change
|
8,104
|
270
|
C
|
High
|
576
|
Uraninite
|
8,102
|
270
|
Start
|
Mid
|
577
|
Muscovite
|
8,083
|
269
|
C
|
Low
|
578
|
Crystallography
|
7,998
|
266
|
Start
|
High
|
579
|
Geologist
|
7,975
|
265
|
C
|
Top
|
580
|
Eurasian Plate
|
7,963
|
265
|
Start
|
Mid
|
581
|
1585 Aleutian Islands earthquake
|
7,920
|
264
|
C
|
Low
|
582
|
Lake Peigneur
|
7,918
|
263
|
C
|
Mid
|
583
|
Upper Mesopotamia
|
7,890
|
263
|
C
|
Mid
|
584
|
Volcanic winter
|
7,865
|
262
|
Start
|
Low
|
585
|
Marikina Valley Fault System
|
7,836
|
261
|
Start
|
Low
|
586
|
Khaybar
|
7,827
|
260
|
Start
|
Low
|
587
|
Ravine
|
7,826
|
260
|
Start
|
Low
|
588
|
Valles Marineris
|
7,824
|
260
|
B
|
Low
|
589
|
Pyroxene
|
7,808
|
260
|
C
|
Mid
|
590
|
Cryolite
|
7,788
|
259
|
Start
|
Low
|
591
|
Land
|
7,764
|
258
|
B
|
High
|
592
|
Tektite
|
7,754
|
258
|
Start
|
Mid
|
593
|
Chibanian
|
7,750
|
258
|
Start
|
Mid
|
594
|
Hell Creek Formation
|
7,744
|
258
|
C
|
Low
|
595
|
Neoproterozoic
|
7,726
|
257
|
Start
|
High
|
596
|
African Plate
|
7,713
|
257
|
C
|
High
|
597
|
Zuma Rock
|
7,706
|
256
|
Start
|
Low
|
598
|
Paleocene–Eocene Thermal Maximum
|
7,703
|
256
|
B
|
Mid
|
599
|
Duckbill (rock formation)
|
7,700
|
256
|
Stub
|
Low
|
600
|
Craton
|
7,685
|
256
|
Start
|
Mid
|
601
|
Active volcano
|
7,679
|
255
|
Start
|
Low
|
602
|
Uranium ore
|
7,678
|
255
|
C
|
Mid
|
603
|
Ball's Pyramid
|
7,653
|
255
|
Start
|
Low
|
604
|
List of gold nuggets by size
|
7,640
|
254
|
Start
|
Mid
|
605
|
Volcanic ash
|
7,628
|
254
|
GA
|
Mid
|
606
|
Pounamu
|
7,621
|
254
|
C
|
Low
|
607
|
Meghalayan
|
7,554
|
251
|
Start
|
Low
|
608
|
Shungite
|
7,552
|
251
|
C
|
Low
|
609
|
Advection
|
7,547
|
251
|
C
|
Low
|
610
|
Beqaa Valley
|
7,539
|
251
|
C
|
Unknown
|
611
|
Volcanic rock
|
7,529
|
250
|
Start
|
Mid
|
612
|
Niger Delta
|
7,516
|
250
|
Start
|
Low
|
613
|
Dike (geology)
|
7,511
|
250
|
Start
|
Mid
|
614
|
The Solent
|
7,506
|
250
|
C
|
Low
|
615
|
Great American Interchange
|
7,499
|
249
|
C
|
Low
|
616
|
Quasicrystal
|
7,457
|
248
|
B
|
Low
|
617
|
Origin of the Moon
|
7,454
|
248
|
C
|
High
|
618
|
Transform fault
|
7,452
|
248
|
C
|
High
|
619
|
Tar pit
|
7,425
|
247
|
C
|
Mid
|
620
|
Kimberlite
|
7,345
|
244
|
Start
|
Mid
|
621
|
Baryte
|
7,340
|
244
|
C
|
Low
|
622
|
Plagioclase
|
7,324
|
244
|
Start
|
High
|
623
|
Amazonite
|
7,287
|
242
|
Start
|
Low
|
624
|
Pebble
|
7,275
|
242
|
Start
|
Low
|
625
|
Mohorovičić discontinuity
|
7,264
|
242
|
Start
|
Mid
|
626
|
Phreatic eruption
|
7,229
|
240
|
Start
|
Mid
|
627
|
Grand Banks of Newfoundland
|
7,225
|
240
|
Start
|
Low
|
628
|
Po Valley
|
7,190
|
239
|
Start
|
Unknown
|
629
|
Berkshires
|
7,185
|
239
|
C
|
Low
|
630
|
Hotspot (geology)
|
7,181
|
239
|
Start
|
High
|
631
|
Tor (rock formation)
|
7,177
|
239
|
Start
|
Low
|
632
|
Oil shale
|
7,175
|
239
|
B
|
High
|
633
|
Flood basalt
|
7,091
|
236
|
Start
|
High
|
634
|
Lustre (mineralogy)
|
7,090
|
236
|
Start
|
Low
|
635
|
Igneous intrusion
|
7,061
|
235
|
Start
|
Mid
|
636
|
Seismology
|
7,046
|
234
|
C
|
High
|
637
|
Laurentide Ice Sheet
|
7,041
|
234
|
C
|
Mid
|
638
|
Surface water
|
7,021
|
234
|
Start
|
Mid
|
639
|
Jezreel Valley
|
6,993
|
233
|
C
|
Low
|
640
|
Pegmatite
|
6,981
|
232
|
Start
|
Low
|
641
|
Geological history of Earth
|
6,978
|
232
|
B
|
Top
|
642
|
Geodetic datum
|
6,976
|
232
|
C
|
Mid
|
643
|
Transitional fossil
|
6,939
|
231
|
GA
|
High
|
644
|
Opabinia
|
6,916
|
230
|
GA
|
Low
|
645
|
List of fault zones
|
6,908
|
230
|
List
|
Low
|
646
|
Cave diving
|
6,905
|
230
|
B
|
Low
|
647
|
Asthenosphere
|
6,853
|
228
|
B
|
High
|
648
|
Chrysotile
|
6,839
|
227
|
B
|
Mid
|
649
|
Mir mine
|
6,816
|
227
|
Start
|
Mid
|
650
|
Avalonia
|
6,802
|
226
|
Start
|
Mid
|
651
|
Wisconsin glaciation
|
6,799
|
226
|
C
|
Mid
|
652
|
Diorite
|
6,780
|
226
|
C
|
Mid
|
653
|
Crust (geology)
|
6,755
|
225
|
C
|
High
|
654
|
Contamination
|
6,736
|
224
|
C
|
Low
|
655
|
Scree
|
6,703
|
223
|
Start
|
Low
|
656
|
Humber
|
6,670
|
222
|
C
|
Low
|
657
|
Waste Isolation Pilot Plant
|
6,658
|
221
|
Start
|
Low
|
658
|
Catacombs of Kom El Shoqafa
|
6,635
|
221
|
Start
|
Low
|
659
|
Deep time
|
6,623
|
220
|
C
|
Mid
|
660
|
Orthorhombic crystal system
|
6,583
|
219
|
Start
|
Low
|
661
|
Mantle (geology)
|
6,583
|
219
|
B
|
Top
|
662
|
Chromite
|
6,558
|
218
|
B
|
Mid
|
663
|
St. Mary's Islands
|
6,540
|
218
|
C
|
Mid
|
664
|
Psyche (spacecraft)
|
6,520
|
217
|
B
|
Low
|
665
|
Havilah
|
6,509
|
216
|
Stub
|
Low
|
666
|
Sunstone (medieval)
|
6,497
|
216
|
B
|
Low
|
667
|
Clay mineral
|
6,486
|
216
|
Start
|
Mid
|
668
|
Paleoproterozoic
|
6,484
|
216
|
Start
|
Mid
|
669
|
Monazite
|
6,471
|
215
|
Start
|
Mid
|
670
|
Oil and gas reserves and resource quantification
|
6,465
|
215
|
B
|
High
|
671
|
Geophysics
|
6,460
|
215
|
C
|
Top
|
672
|
Manganese nodule
|
6,457
|
215
|
C
|
Mid
|
673
|
Spall
|
6,452
|
215
|
Start
|
Low
|
674
|
Climate change feedbacks
|
6,415
|
213
|
C
|
Mid
|
675
|
Robert M. Schoch
|
6,378
|
212
|
C
|
Low
|
676
|
Banded iron formation
|
6,377
|
212
|
GA
|
Top
|
677
|
Preikestolen
|
6,368
|
212
|
C
|
High
|
678
|
Chalcopyrite
|
6,349
|
211
|
C
|
Mid
|
679
|
Eoarchean
|
6,347
|
211
|
C
|
Mid
|
680
|
Serpentine subgroup
|
6,328
|
210
|
Start
|
Mid
|
681
|
Geological Survey of India
|
6,320
|
210
|
C
|
Low
|
682
|
Desert of Paran
|
6,316
|
210
|
C
|
Low
|
683
|
Laccolith
|
6,292
|
209
|
Start
|
Mid
|
684
|
Puerto Rico Trench
|
6,290
|
209
|
B
|
Mid
|
685
|
Gravity anomaly
|
6,242
|
208
|
Start
|
Mid
|
686
|
Denudation
|
6,237
|
207
|
C
|
Mid
|
687
|
Ilmenite
|
6,236
|
207
|
B
|
Low
|
688
|
Mud volcano
|
6,188
|
206
|
C
|
Mid
|
689
|
Caliche
|
6,184
|
206
|
Start
|
Mid
|
690
|
Mass wasting
|
6,117
|
203
|
Start
|
Low
|
691
|
Geology of Taiwan
|
6,115
|
203
|
C
|
Low
|
692
|
Metamorphism
|
6,111
|
203
|
C
|
High
|
693
|
Monoclinic crystal system
|
6,096
|
203
|
Start
|
Low
|
694
|
Religious views of Charles Darwin
|
6,095
|
203
|
B
|
Low
|
695
|
Lava tube
|
6,094
|
203
|
Start
|
Low
|
696
|
Past sea level
|
6,092
|
203
|
C
|
Top
|
697
|
Drumlin
|
6,082
|
202
|
C
|
Low
|
698
|
Philippine Trench
|
6,063
|
202
|
Stub
|
Low
|
699
|
Rift valley
|
6,058
|
201
|
Start
|
High
|
700
|
Vaalbara
|
6,058
|
201
|
C
|
Mid
|
701
|
Maastrichtian
|
6,053
|
201
|
Start
|
Mid
|
702
|
Submarine canyon
|
6,043
|
201
|
Start
|
Mid
|
703
|
Bluestone
|
6,029
|
200
|
Start
|
Low
|
704
|
The Gap (Sydney)
|
6,029
|
200
|
B
|
Low
|
705
|
Soil formation
|
6,017
|
200
|
Start
|
Low
|
706
|
Tectonics
|
6,011
|
200
|
Start
|
High
|
707
|
Gravity of Mars
|
5,961
|
198
|
B
|
Mid
|
708
|
Tufa
|
5,960
|
198
|
Start
|
Low
|
709
|
Somali Plate
|
5,959
|
198
|
Start
|
Mid
|
710
|
1908 Messina earthquake
|
5,955
|
198
|
C
|
Mid
|
711
|
River mouth
|
5,954
|
198
|
Start
|
Low
|
712
|
Smoky quartz
|
5,942
|
198
|
Start
|
Low
|
713
|
Sudbury Basin
|
5,935
|
197
|
Start
|
Mid
|
714
|
Esker
|
5,916
|
197
|
Start
|
Low
|
715
|
Geology of the Moon
|
5,895
|
196
|
B
|
High
|
716
|
Aeolian processes
|
5,880
|
196
|
C
|
High
|
717
|
List of sinkholes
|
5,870
|
195
|
List
|
Unknown
|
718
|
Earth ellipsoid
|
5,848
|
194
|
Start
|
Mid
|
719
|
Eromanga Sea
|
5,844
|
194
|
Start
|
Low
|
720
|
Boulder
|
5,832
|
194
|
Start
|
Low
|
721
|
Perseids
|
5,814
|
193
|
C
|
Low
|
722
|
Rift
|
5,796
|
193
|
Start
|
High
|
723
|
Kathmandu Valley
|
5,793
|
193
|
C
|
Unknown
|
724
|
Geothermal gradient
|
5,755
|
191
|
Start
|
Mid
|
725
|
Mud
|
5,748
|
191
|
Start
|
Low
|
726
|
Introduction to evolution
|
5,744
|
191
|
B
|
Top
|
727
|
Willow project
|
5,743
|
191
|
B
|
Mid
|
728
|
List of oil fields
|
5,730
|
191
|
List
|
Low
|
729
|
List of rock formations
|
5,714
|
190
|
List
|
Low
|
730
|
Columbia (supercontinent)
|
5,713
|
190
|
Start
|
Mid
|
731
|
Craco
|
5,692
|
189
|
Start
|
Low
|
732
|
Col
|
5,662
|
188
|
Start
|
Low
|
733
|
Drainage system (geomorphology)
|
5,661
|
188
|
Start
|
Low
|
734
|
Manning formula
|
5,645
|
188
|
Start
|
Low
|
735
|
The Palisades (Hudson River)
|
5,630
|
187
|
Start
|
Mid
|
736
|
Metallurgical coal
|
5,625
|
187
|
Stub
|
Low
|
737
|
Scoria
|
5,620
|
187
|
Start
|
Mid
|
738
|
List of geological features on Venus
|
5,615
|
187
|
List
|
Low
|
739
|
Azure Window
|
5,606
|
186
|
GA
|
Mid
|
740
|
John Wesley Powell
|
5,604
|
186
|
B
|
Low
|
741
|
Dacite
|
5,603
|
186
|
Start
|
High
|
742
|
Miyake event
|
5,595
|
186
|
Start
|
Low
|
743
|
Sharpening stone
|
5,594
|
186
|
C
|
Low
|
744
|
Atlantic Seaboard Fall Line
|
5,581
|
186
|
Start
|
Mid
|
745
|
Late Triassic
|
5,576
|
185
|
C
|
Low
|
746
|
Strike and dip
|
5,572
|
185
|
B
|
Mid
|
747
|
Pennsylvanian (geology)
|
5,558
|
185
|
Start
|
High
|
748
|
Stratum
|
5,528
|
184
|
Start
|
Mid
|
749
|
Landmass
|
5,519
|
183
|
Stub
|
Low
|
750
|
Al Naslaa
|
5,504
|
183
|
Stub
|
Low
|
751
|
Louis Agassiz
|
5,498
|
183
|
C
|
High
|
752
|
Jordan Valley
|
5,496
|
183
|
C
|
Low
|
753
|
Uniformitarianism
|
5,494
|
183
|
B
|
High
|
754
|
Sahul
|
5,491
|
183
|
Stub
|
Mid
|
755
|
Burgess Shale
|
5,480
|
182
|
Start
|
High
|
756
|
Conglomerate (geology)
|
5,479
|
182
|
C
|
High
|
757
|
Baltic amber
|
5,477
|
182
|
Start
|
Low
|
758
|
Diabase
|
5,465
|
182
|
Start
|
Mid
|
759
|
Lonsdaleite
|
5,440
|
181
|
C
|
Low
|
760
|
Meteoric iron
|
5,429
|
180
|
B
|
Low
|
761
|
Pacific Plate
|
5,427
|
180
|
C
|
High
|
762
|
List of planet types
|
5,427
|
180
|
List
|
Low
|
763
|
Continental crust
|
5,426
|
180
|
C
|
Top
|
764
|
Boring Billion
|
5,407
|
180
|
GA
|
Low
|
765
|
Painite
|
5,391
|
179
|
Start
|
Low
|
766
|
Volcanism
|
5,388
|
179
|
C
|
High
|
767
|
Epoch (geology)
|
5,388
|
179
|
Redirect
|
NA
|
768
|
Drainage divide
|
5,377
|
179
|
Start
|
Low
|
769
|
Amphibole
|
5,375
|
179
|
Start
|
Mid
|
770
|
Peridotite
|
5,372
|
179
|
C
|
High
|
771
|
Grain size
|
5,366
|
178
|
Start
|
Low
|
772
|
Early Earth
|
5,361
|
178
|
Start
|
Mid
|
773
|
Coccolithophore
|
5,338
|
177
|
B
|
High
|
774
|
Orthoclase
|
5,320
|
177
|
Start
|
Mid
|
775
|
South Downs
|
5,316
|
177
|
Start
|
Mid
|
776
|
Breccia
|
5,308
|
176
|
B
|
High
|
777
|
Stratigraphy
|
5,308
|
176
|
C
|
High
|
778
|
Juan de Fuca Plate
|
5,302
|
176
|
Start
|
Mid
|
779
|
Glen Coe
|
5,295
|
176
|
B
|
Low
|
780
|
Coogan's Bluff
|
5,293
|
176
|
Start
|
Low
|
781
|
Wanggongchang Explosion
|
5,286
|
176
|
C
|
Low
|
782
|
Great Artesian Basin
|
5,282
|
176
|
C
|
Mid
|
783
|
Afar Triangle
|
5,276
|
175
|
B
|
High
|
784
|
Planetary science
|
5,276
|
175
|
C
|
High
|
785
|
Lobopodia
|
5,264
|
175
|
C
|
Low
|
786
|
Palo Duro Canyon
|
5,262
|
175
|
Start
|
Low
|
787
|
Alvarez hypothesis
|
5,259
|
175
|
Start
|
Low
|
788
|
Philippine Sea Plate
|
5,258
|
175
|
Stub
|
Mid
|
789
|
Sailing stones
|
5,242
|
174
|
C
|
Low
|
790
|
Widmanstätten pattern
|
5,241
|
174
|
Start
|
Mid
|
791
|
Rock cycle
|
5,237
|
174
|
C
|
High
|
792
|
Mountain formation
|
5,236
|
174
|
Start
|
Low
|
793
|
Mary Somerville
|
5,231
|
174
|
B
|
Low
|
794
|
Pele's tears
|
5,220
|
174
|
Start
|
Low
|
795
|
Celestine (mineral)
|
5,218
|
173
|
Start
|
Mid
|
796
|
Yosemite Valley
|
5,215
|
173
|
Start
|
Mid
|
797
|
Mafic
|
5,208
|
173
|
C
|
Low
|
798
|
Large igneous province
|
5,208
|
173
|
Start
|
High
|
799
|
Panjshir Valley
|
5,202
|
173
|
Start
|
Unknown
|
800
|
Milwaukee Deep
|
5,200
|
173
|
Start
|
Mid
|
801
|
Amasia (supercontinent)
|
5,197
|
173
|
Stub
|
Mid
|
802
|
Methane clathrate
|
5,191
|
173
|
C
|
Mid
|
803
|
Phosphophyllite
|
5,189
|
172
|
Stub
|
Low
|
804
|
Phosphorite
|
5,184
|
172
|
C
|
Mid
|
805
|
Puddingstone (rock)
|
5,168
|
172
|
Start
|
Low
|
806
|
Alluvial fan
|
5,166
|
172
|
GA
|
High
|
807
|
Reduced chi-squared statistic
|
5,164
|
172
|
Start
|
Low
|
808
|
Biotite
|
5,144
|
171
|
C
|
Mid
|
809
|
Post-glacial rebound
|
5,141
|
171
|
B
|
Mid
|
810
|
Volcanic glass
|
5,125
|
170
|
Start
|
Low
|
811
|
Charles Lyell
|
5,111
|
170
|
B
|
Top
|
812
|
Large low-shear-velocity provinces
|
5,096
|
169
|
Start
|
Mid
|
813
|
Chrysoprase
|
5,088
|
169
|
Start
|
Low
|
814
|
Hydraulic conductivity
|
5,083
|
169
|
B
|
Mid
|
815
|
Blood Falls
|
5,080
|
169
|
C
|
Mid
|
816
|
Trona
|
5,076
|
169
|
Start
|
Mid
|
817
|
Greenhouse and icehouse Earth
|
5,068
|
168
|
C
|
High
|
818
|
Ammolite
|
5,065
|
168
|
B
|
Low
|
819
|
Paleobotany
|
5,058
|
168
|
C
|
High
|
820
|
Glacial erratic
|
5,039
|
167
|
C
|
Mid
|
821
|
Oldest dated rocks
|
5,023
|
167
|
C
|
Low
|
822
|
Realgar
|
5,010
|
167
|
C
|
Low
|
823
|
Shale gas
|
5,006
|
166
|
C
|
Mid
|
824
|
Black sand
|
5,001
|
166
|
List
|
Low
|
825
|
Delaware Water Gap
|
4,993
|
166
|
C
|
Low
|
826
|
Imperial Valley
|
4,982
|
166
|
B
|
Low
|
827
|
Slot canyon
|
4,981
|
166
|
Start
|
Low
|
828
|
Graben
|
4,969
|
165
|
Start
|
High
|
829
|
Volcanic island
|
4,965
|
165
|
Start
|
Mid
|
830
|
Artificial reef
|
4,963
|
165
|
C
|
Low
|
831
|
Till
|
4,961
|
165
|
Start
|
Mid
|
832
|
Gemology
|
4,956
|
165
|
Start
|
Mid
|
833
|
Radula
|
4,952
|
165
|
C
|
Low
|
834
|
Panthalassa
|
4,949
|
164
|
Start
|
High
|
835
|
1992 Landers earthquake
|
4,934
|
164
|
Start
|
Low
|
836
|
Foreshock
|
4,914
|
163
|
Start
|
Mid
|
837
|
Spatial analysis
|
4,914
|
163
|
C
|
Low
|
838
|
Charles Richter
|
4,912
|
163
|
C
|
Mid
|
839
|
Huronian glaciation
|
4,912
|
163
|
Start
|
Mid
|
840
|
Kjeragbolten
|
4,890
|
163
|
C
|
High
|
841
|
Rockfall
|
4,888
|
162
|
Start
|
Low
|
842
|
Geology of the Appalachians
|
4,887
|
162
|
C
|
Mid
|
843
|
Cleavage (crystal)
|
4,884
|
162
|
Start
|
High
|
844
|
Laramidia
|
4,872
|
162
|
Start
|
Low
|
845
|
Intrusive rock
|
4,870
|
162
|
Start
|
Mid
|
846
|
Great Glen
|
4,860
|
162
|
Start
|
Low
|
847
|
Loess Plateau
|
4,860
|
162
|
C
|
Low
|
848
|
Limonite
|
4,859
|
161
|
C
|
Mid
|
849
|
Chrysocolla
|
4,858
|
161
|
Start
|
Mid
|
850
|
Cassiterite
|
4,855
|
161
|
Start
|
Mid
|
851
|
Marine isotope stages
|
4,848
|
161
|
C
|
Low
|
852
|
Great Rift Valley, Kenya
|
4,848
|
161
|
C
|
Mid
|
853
|
Oceanic crust
|
4,844
|
161
|
C
|
High
|
854
|
Last Interglacial
|
4,843
|
161
|
Start
|
High
|
855
|
Hoggar Mountains
|
4,827
|
160
|
Start
|
Low
|
856
|
Atchafalaya Basin
|
4,827
|
160
|
Start
|
High
|
857
|
Stack (geology)
|
4,814
|
160
|
Start
|
Low
|
858
|
Kettle (landform)
|
4,806
|
160
|
Start
|
Low
|
859
|
Baetyl
|
4,803
|
160
|
Start
|
Low
|
860
|
Goethite
|
4,799
|
159
|
C
|
Low
|
861
|
Seafloor spreading
|
4,793
|
159
|
C
|
High
|
862
|
Submarine volcano
|
4,785
|
159
|
Start
|
Mid
|
863
|
Mantle plume
|
4,780
|
159
|
B
|
High
|
864
|
Montmorillonite
|
4,779
|
159
|
C
|
Low
|
865
|
Speleothem
|
4,771
|
159
|
C
|
Mid
|
866
|
Discharge (hydrology)
|
4,765
|
158
|
C
|
Mid
|
867
|
Timeline of volcanism on Earth
|
4,757
|
158
|
List
|
Low
|
868
|
Paratethys
|
4,727
|
157
|
C
|
Low
|
869
|
Bakken formation
|
4,717
|
157
|
C
|
Mid
|
870
|
Iron meteorite
|
4,716
|
157
|
C
|
Low
|
871
|
Causes of climate change
|
4,698
|
156
|
B
|
Low
|
872
|
Morrison Formation
|
4,693
|
156
|
B
|
Low
|
873
|
Geologic map
|
4,682
|
156
|
Start
|
High
|
874
|
Schiehallion experiment
|
4,677
|
155
|
GA
|
Mid
|
875
|
Cumberland Plateau
|
4,668
|
155
|
Start
|
Low
|
876
|
Tonian
|
4,651
|
155
|
Stub
|
Low
|
877
|
Early Cretaceous
|
4,651
|
155
|
C
|
Low
|
878
|
Popigai impact structure
|
4,642
|
154
|
Start
|
Mid
|
879
|
Late Jurassic
|
4,639
|
154
|
Start
|
Mid
|
880
|
1989 Newcastle earthquake
|
4,633
|
154
|
C
|
Low
|
881
|
Trace element
|
4,629
|
154
|
Start
|
Mid
|
882
|
Unconformity
|
4,596
|
153
|
B
|
High
|
883
|
Batholith
|
4,593
|
153
|
Start
|
Mid
|
884
|
Geodetic coordinates
|
4,592
|
153
|
Start
|
Unknown
|
885
|
Columnar jointing
|
4,568
|
152
|
Start
|
Low
|
886
|
Magma chamber
|
4,558
|
151
|
Start
|
Low
|
887
|
Paleoarchean
|
4,551
|
151
|
C
|
Mid
|
888
|
Soil science
|
4,548
|
151
|
C
|
High
|
889
|
Mineralogy
|
4,542
|
151
|
C
|
Top
|
890
|
Clair Cameron Patterson
|
4,537
|
151
|
C
|
Low
|
891
|
Hayabusa
|
4,536
|
151
|
C
|
Low
|
892
|
List of U.S. state minerals, rocks, stones and gemstones
|
4,527
|
150
|
List
|
Low
|
893
|
Continental drip
|
4,524
|
150
|
Stub
|
Low
|
894
|
Clarion-Clipperton Zone
|
4,520
|
150
|
Start
|
Low
|
895
|
Colca Canyon
|
4,515
|
150
|
Start
|
Low
|
896
|
Salt dome
|
4,513
|
150
|
Start
|
Mid
|
897
|
Kidron Valley
|
4,510
|
150
|
C
|
Unknown
|
898
|
Cairngorms
|
4,508
|
150
|
B
|
Mid
|
899
|
Great Unconformity
|
4,507
|
150
|
Start
|
Mid
|
900
|
Bass Rock
|
4,482
|
149
|
B
|
Low
|
901
|
Fold (geology)
|
4,481
|
149
|
B
|
High
|
902
|
Greywacke
|
4,480
|
149
|
Start
|
High
|
903
|
Bog iron
|
4,476
|
149
|
B
|
Low
|
904
|
Thrust fault
|
4,465
|
148
|
C
|
Low
|
905
|
Neoarchean
|
4,463
|
148
|
Start
|
Low
|
906
|
Holocene climatic optimum
|
4,454
|
148
|
C
|
Low
|
907
|
Paleoclimatology
|
4,446
|
148
|
C
|
High
|
908
|
Red beryl
|
4,446
|
148
|
Start
|
Low
|
909
|
Groundwater recharge
|
4,444
|
148
|
C
|
Mid
|
910
|
Novopangaea
|
4,432
|
147
|
Stub
|
Low
|
911
|
Flood geology
|
4,414
|
147
|
B
|
High
|
912
|
Climate system
|
4,414
|
147
|
GA
|
Low
|
913
|
Trace fossil
|
4,410
|
147
|
B
|
High
|
914
|
Interglacial
|
4,391
|
146
|
Start
|
Mid
|
915
|
2010 Baja California earthquake
|
4,379
|
145
|
C
|
Low
|
916
|
Interior Plains
|
4,375
|
145
|
Start
|
Mid
|
917
|
Evolution of the eye
|
4,361
|
145
|
C
|
Low
|
918
|
James Hutton
|
4,360
|
145
|
B
|
Top
|
919
|
Mesoproterozoic
|
4,345
|
144
|
Start
|
Mid
|
920
|
Mogollon Rim
|
4,341
|
144
|
C
|
Low
|
921
|
Oolite
|
4,322
|
144
|
Start
|
Low
|
922
|
Chondrite
|
4,321
|
144
|
C
|
High
|
923
|
Caledonian orogeny
|
4,321
|
144
|
Start
|
Low
|
924
|
List of extinction events
|
4,321
|
144
|
List
|
Mid
|
925
|
Crown group
|
4,320
|
144
|
C
|
Low
|
926
|
Sacramento–San Joaquin River Delta
|
4,317
|
143
|
B
|
Low
|
927
|
Ventifact
|
4,315
|
143
|
Start
|
Low
|
928
|
Glacial lake outburst flood
|
4,306
|
143
|
C
|
Low
|
929
|
Riebeckite
|
4,304
|
143
|
Start
|
Mid
|
930
|
Yellowstone hotspot
|
4,301
|
143
|
C
|
Mid
|
931
|
Chinese jade
|
4,300
|
143
|
B
|
Low
|
932
|
Lepidolite
|
4,297
|
143
|
Start
|
Mid
|
933
|
Lazurite
|
4,243
|
141
|
C
|
Mid
|
934
|
Hong Kong Observatory
|
4,239
|
141
|
Start
|
Low
|
935
|
Syenite
|
4,231
|
141
|
Start
|
High
|
936
|
Hayward Fault Zone
|
4,224
|
140
|
B
|
Mid
|
937
|
Marcasite
|
4,223
|
140
|
Start
|
High
|
938
|
Depression (geology)
|
4,218
|
140
|
Start
|
Mid
|
939
|
Solid solution
|
4,211
|
140
|
C
|
Low
|
940
|
Eocene–Oligocene extinction event
|
4,211
|
140
|
Start
|
Low
|
941
|
Cordierite
|
4,202
|
140
|
Start
|
Low
|
942
|
Stone Forest
|
4,202
|
140
|
Stub
|
Low
|
943
|
Laramide orogeny
|
4,198
|
139
|
C
|
Mid
|
944
|
Borra Caves
|
4,197
|
139
|
Start
|
Low
|
945
|
Quake (natural phenomenon)
|
4,196
|
139
|
Start
|
Mid
|
946
|
Kerguelen Plateau
|
4,194
|
139
|
C
|
Mid
|
947
|
Cordillera
|
4,191
|
139
|
Start
|
Low
|
948
|
Particle-size distribution
|
4,184
|
139
|
C
|
Mid
|
949
|
Felsic
|
4,167
|
138
|
Start
|
Low
|
950
|
Pyroclastic rock
|
4,167
|
138
|
Start
|
Mid
|
951
|
Catastrophism
|
4,163
|
138
|
Start
|
High
|
952
|
Nunatak
|
4,160
|
138
|
Start
|
Low
|
953
|
Hornblende
|
4,156
|
138
|
Start
|
Mid
|
954
|
William Buckland
|
4,151
|
138
|
C
|
Mid
|
955
|
Ultramafic rock
|
4,149
|
138
|
Start
|
High
|
956
|
Tertiary
|
4,140
|
138
|
Start
|
Unknown
|
957
|
Moeraki Boulders
|
4,136
|
137
|
B
|
Low
|
958
|
Rhodonite
|
4,132
|
137
|
Start
|
Mid
|
959
|
Volcanism of Iceland
|
4,125
|
137
|
Start
|
High
|
960
|
Basin and Range Province
|
4,121
|
137
|
C
|
High
|
961
|
Portland stone
|
4,121
|
137
|
C
|
Mid
|
962
|
Indian Ocean Geoid Low
|
4,120
|
137
|
Start
|
Mid
|
963
|
Clastic rock
|
4,114
|
137
|
Start
|
Mid
|
964
|
Granodiorite
|
4,104
|
136
|
Start
|
Low
|
965
|
Lagerstätte
|
4,090
|
136
|
B
|
Top
|
966
|
Isostasy
|
4,077
|
135
|
Start
|
High
|
967
|
Cape York meteorite
|
4,070
|
135
|
Start
|
Mid
|
968
|
Native metal
|
4,057
|
135
|
C
|
Mid
|
969
|
Alpide belt
|
4,052
|
135
|
Start
|
Low
|
970
|
Yarrabubba impact structure
|
4,044
|
134
|
Start
|
Low
|
971
|
Shield (geology)
|
4,044
|
134
|
Start
|
High
|
972
|
U-shaped valley
|
4,038
|
134
|
Start
|
Low
|
973
|
Calcareous
|
4,029
|
134
|
Start
|
Low
|
974
|
Eon (geology)
|
4,026
|
134
|
Redirect
|
NA
|
975
|
Snow cornice
|
4,026
|
134
|
Stub
|
Low
|
976
|
Outcrop
|
4,018
|
133
|
Start
|
Mid
|
977
|
Zhamanshin crater
|
4,016
|
133
|
Stub
|
Low
|
978
|
Coquina
|
4,010
|
133
|
C
|
Mid
|
979
|
Trolltunga
|
4,004
|
133
|
C
|
Low
|
980
|
Pingo
|
4,003
|
133
|
Start
|
Low
|
981
|
Kerogen
|
3,992
|
133
|
Start
|
Low
|
982
|
Retreat of glaciers since 1850
|
3,992
|
133
|
B
|
Mid
|
983
|
Tamu Massif
|
3,991
|
133
|
C
|
Low
|
984
|
Guiana Shield
|
3,982
|
132
|
Start
|
Low
|
985
|
Great Hungarian Plain
|
3,969
|
132
|
Start
|
High
|
986
|
Geology of Massachusetts
|
3,965
|
132
|
C
|
Mid
|
987
|
Marine snow
|
3,952
|
131
|
C
|
Low
|
988
|
Neandertal (valley)
|
3,948
|
131
|
Start
|
Low
|
989
|
Diamond anvil cell
|
3,944
|
131
|
B
|
Low
|
990
|
Nankai megathrust earthquakes
|
3,928
|
130
|
C
|
Low
|
991
|
Mesoarchean
|
3,926
|
130
|
C
|
Mid
|
992
|
Tetragonal crystal system
|
3,913
|
130
|
Start
|
Low
|
993
|
Survey marker
|
3,913
|
130
|
C
|
Low
|
994
|
Rejection of evolution by religious groups
|
3,912
|
130
|
B
|
High
|
995
|
List of places with columnar jointed volcanics
|
3,911
|
130
|
List
|
Low
|
996
|
Wolframite
|
3,907
|
130
|
Start
|
Mid
|
997
|
Speleology
|
3,899
|
129
|
Start
|
Mid
|
998
|
Hunter Region
|
3,890
|
129
|
Start
|
Unknown
|
999
|
2010 Guatemala City sinkhole
|
3,886
|
129
|
GA
|
Low
|
1000
|
International Geophysical Year
|
3,880
|
129
|
C
|
Mid
|