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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
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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
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:57, 11 August 2014 | | 600 × 480 (102 KB) | Deadstar | Transferred from en.wikipedia |
File usage
The following 2 pages use this file:
Global file usage
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- Usage on ca.wikipedia.org
- Usage on he.wikipedia.org
- Usage on it.wikipedia.org
- Usage on it.wikibooks.org
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