Borax_ball.jpg (172 × 119 pixels, file size: 9 KB, MIME type: image/jpeg)

Borax "cotton ball".

Original description:

Cotton balls are fibrous nodules of ulexite and proberite (sodium and calcium borate minerals) that form on the surface of some of Death Valley's salt pans. Cottonball Basin was the site of Death Valley's first borax production.


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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[1] archive copy at the Wayback Machine

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copyright status

public domain

applies to jurisdiction: United States
determination method or standard: work of the federal government of the United States

media type

image/jpeg

checksum

8ee279d35429c03e33e677181705bfc6a5d30e26

determination method or standard: SHA-1

data size

8,860 byte

height

119 pixel

width

172 pixel

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Date/TimeThumbnailDimensionsUserComment
current06:27, 26 May 2005Thumbnail for version as of 06:27, 26 May 2005172 × 119 (9 KB)JuloBorax "cotton ball". {{PD-USGov-Interior-USGS}} [http://wrgis.wr.usgs.gov/docs/parks/deva/galmining.html] from en:wiki

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Allikas: https://en.wikipedia.org/wiki/File:Borax_ball.jpg
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