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Image: Popcorn Texture

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Description: Characteristic "popcorn" texture of mudstone of the Brushy Basin Member. The bubbly or frothy appearance is due to bentonite, or volcanic ash. The more bentonite present, the more frothy the appearance (west of Green River, Utah).
Title: Popcorn Texture
Credit: Self-made
Author: Ankyman
Permission: I grant others to use this image.
Usage Terms: Attribution-ShareAlike 3.0
License: Cc-by-sa-3.0
License Link: https://creativecommons.org/licenses/by-sa/3.0/

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