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Image: Feldspathic-wacke

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Original image(2,669 × 4,315 pixels, file size: 6.2 MB, MIME type: image/jpeg)

Description: Photomicrograph of a feldspathic wacke (sandstone); unknown unit and age. Top image is in plane polarized light (PPL); bottom image is in cross polarized light (XPL). Blue epoxy fills pore spaces.
Title: Feldspathic-wacke
Credit: Own work
Author: Michael C. Rygel
Permission: Please place my name (Michael C. Rygel) or user name (Rygel, M.C.) in a legible, clearly visible position near one of the corners of the image or in the figure caption if the image is used outside of Wikipedia or Wikimedia Commons.
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0
Attribution Required?: Yes

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