File:Dacite-ThinSection-USGS.jpg

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Dacite-ThinSection-USGS.jpg ‎(600 × 480 pixels, file size: 102 KB, MIME type: image/jpeg)

Summary

Description
English: Thin section image in crossed polars of a Dacite sample from a dome in Mount St. Helens. Image by United States Geological Survey, a federal scientific agency.
Source http://lcc.ctc.edu/departments/natural_sciences/pictures/archive/2005/image_wk041705MSHdacite.xtm
Author United States Geological Survey

Licensing

Public domain
This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.

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Original upload log

The original description page was here. All following user names refer to en.wikipedia.
Date/Time Dimensions User Comment
2009-05-18 20:18 600×480× (104788 bytes) Hamsterlopithecus Image by United States Geological Survey, a federal scientific agency.

File history

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Date/TimeThumbnailDimensionsUserComment
current10:57, 11 August 2014Thumbnail for version as of 10:57, 11 August 2014600 × 480 (102 KB)DeadstarTransferred from en.wikipedia
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