File:Strata2.jpg
Strata2.jpg (190 × 255 pixels, file size: 22 KB, MIME type: image/jpeg)
Summary
"This image from Lake Mead NRA shows a sequence of sedimentary rock layers (strata). The oldest layers, Cambrian (dated by radiometric dating to 570-505 million years) are at the base, with younger layers piled on top. The older layers are lower 'relative' to the younger layers."
Copyright status:
This image is from the United States Geological Survey and as such is in the public domain
Source:
"This image from Lake Mead NRA shows a sequence of sedimentary rock layers (strata). The oldest layers, Cambrian (dated by radiometric dating to 570-505 million years) are at the base, with younger layers piled on top. The older layers are lower 'relative' to the younger layers."
USGS http://www2.nature.nps.gov/geology/usgsnps/gtime/gtime1.html
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:34, 27 April 2009 | | 190 × 255 (22 KB) | Temlakos (talk | contribs) | "This image from Lake Mead NRA shows a sequence of sedimentary rock layers (strata). The oldest layers, Cambrian (dated by radiometric dating to 570-505 million years) are at the base, with younger layers piled on top. The older layers are low |
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