File:Lugarite (Lugar Sill, Early Permian, 288 Ma; near Lugar, Ayrshire, Scotland) 9.jpg
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Summary
| Description |
English: Lugarite from the Permian of Scotland. (~5.2 centimeters across at its widest)
Lugarite is an extremely rare intrusive igneous rock having an alkaline chemistry and a porphyritic texture. It is only known from one locality: the Lugar Sill near the town of Lugar, Scotland. The unit contains alkaline mafic rocks and ultramafic rocks. The prominent black, elongated phenocrysts in this lugarite sample are kaersutite amphibole. Other minerals present in this material include titanaugite, nepheline, analcime, and labradorite feldspar. Geologic unit: Lugar Sill, Sakmarian Stage, Early Permian, 288 Ma Locality: Logan-Lugar-Cronberry area, Ayrshire, southern Scotland Many thanks to the donor of this fine specimen! See info. at: www.alexstrekeisen.it/english/pluto/lugarite.php |
| Date | |
| Source | https://www.flickr.com/photos/47445767@N05/50595623982/ |
| Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/50595623982. It was reviewed on 15 November 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:37, 15 November 2020 | | 2,600 × 2,393 (4.5 MB) | Ser Amantio di Nicolao | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/50595623982/ with UploadWizard |
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