Paleomagnetic and ⁴⁰Ar/³⁹Ar geochronologic data from Late Proterozoic mafic dikes and sills, Montana and Wyoming /
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| Format: | Government Document Book |
| Language: | English |
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Washington : Denver, CO :
U.S. G.P.O. ; For sale by U.S. Geological Survey, Information Services,
1997.
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| Series: | U.S. Geological Survey professional paper ;
1580. |
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