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Found 61 dataset(s) matching "certified reference material".

Mineralogy, chemistry and isotope composition of silica sinter deposits from the Upper Geyser Basin, Yellowstone National Park: uranium and thorium isotope data
- Organization: Department of the Interior
- Updated: 20200831 | Harvested: July 17, 2025 at 07:36 PM
Sample Analyses: Four samples of silica sinter from Giant and Castle Geysers compo sedof opal-A or opal-A/C were analyzed for U-Th isotopes at USGS laboratories in Denver, CO...
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