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An Evaluation of USGS III |
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| Authors: | Sydney ABBEY |
| Affiliation: | Geological Survey of Canada, 601 Booth Street, Ottawa, Canada K1A 0E8 |
| Abstract: | "Usable values" based on evaluation by the "select laboratories" method are presented for concentrations of many constituents of eight reference rocks from the U.S. Geological Survey. Comparisons are made between the derived values and those published earlier. |
| Keywords: | |