File:San Pedro rapakivi.jpg
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Captions
Captions
Sample of San Pedro quartz monzonite showing rapakivi texture
Summary
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| Description |
English: This image shows a sample of the San Pedro Quartz Monzonite, exposed in the San Pedro Mountains of New Mexico, USA. This monzonite has a radiometric age of 1730 million years and was likely part of an island arc that accreted to North American during the Yavapai Orogeny. The sample here shows rapakivi texture, in which oval potassium feldspar crystals have a oligoclase rim. This is particularly noticeable in the grain right of center. |
| Date | |
| Source | Own work |
| Author | Kent G. Budge |
Licensing
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I, the copyright holder of this work, hereby publish it under the following license:
 
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This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
| 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.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:49, 4 July 2020 | | 2,816 × 2,112 (1.7 MB) | Kent G. Budge (talk | contribs) | Uploaded own work with UploadWizard |
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