pubs.usgs.gov trace 0. 12 0. 91 0. 16 0 20 0. 06 0. 18 0 14 0 22 09 .21 15 c02. none. t102 ... 02 91...
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- pubs.usgs.gov Trace 0. 12 0. 91 0. 16 0 20 0. 06 0. 18 0 14 0 22 09 .21 15 C02. None. T102 ... 02 91 80 68 69 18 37 34 Washmgton, S 806, 1898 Jour. Geology, vol 6, p
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