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Sandstone(quartz)USGOV.jpg ‎(360 × 347 pixels, file size: 41 KB, MIME type: image/jpeg)

Sandstone with a high quartz content

Source: http://resourcescommittee.house.gov/subcommittees/emr/usgsweb/photogallery/ archive copy at the Wayback Machine ; English Wikipedia, original upload 3 August 2004 by Chris 73

Public domain This image is a work of the "Minerals in Your World" project, a cooperative effort between the United States Geological Survey and the Mineral Information Institute. The images were featured in the "Minerals and Materials Photo Gallery" on the website of the U.S House Subcommittee on Energy and Natural Resources. As a work of the U.S. federal government, the image is in the public domain in the United States.

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current 04:46, 2 October 2005 Thumbnail for version as of 04:46, 2 October 2005360 × 347 (41 KB)Saperaud~commonswiki Sandstone with a high quartz content Source: http://resourcescommittee.house.gov/subcommittees/emr/usgsweb/photogallery/ ; English Wikipedia, original upload 3 August 2004 by Chris 73 {{PD-USGov-Interior-USGS-Minerals}} [
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