File:Dioritoid qapf.png

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Dioritoid_qapf.png(570 × 600 pixels, file size: 71 KB, MIME type: image/png)

Summary

Description
English: This images shows the QAPF (quartz, Alkali feldspars, plagioclase feldspars, and feldspathoids) diagram used to classify coarse-grained igneous rock. The dioritoid (dioritic-rock) fields are highlighted in yellow, while the true diorite field is highlighted in red. Dioritoids/diorite are further distiguished from gabbroids/gabbro by their predominantly sodic plagioclase (An<50).
Date
Source Own work
Author Kent G. Budge

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I, the copyright holder of this work, hereby publish it under the following license:
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The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

Captions

QAPF diagram with dioritoid fields highlighted

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depicts

30 December 2021

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Date/TimeThumbnailDimensionsUserComment
current00:58, 31 December 2021Thumbnail for version as of 00:58, 31 December 2021570 × 600 (71 KB)Kent G. BudgeUploaded own work with UploadWizard
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