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Chronology of Late Cretaceous igneous and hydrothermal events at the Golden Sunlight gold-silver breccia pipe, southwestern Montana / by Ed DeWitt ... [et al.]. (U.S. Geological Survey bulletin ; 2155)

Chronology of Late Cretaceous igneous and hydrothermal events at the Golden Sunlight gold-silver breccia pipe, southwestern Montana / by Ed DeWitt ... [et al.]. (U.S. Geological Survey bulletin ; 2155)
Paper図書
U.S. G.P.O.1996.<ME463-A143>
National Diet Library
  • Subject Heading...-- Cretaceous. Rocks, Igneous -- Montana. Hydrothermal alteration -- Mo...

40Ar/39Ar ages of some Challis Volcanic Group rocks and the initiation of Tertiary sedimentary basins in southwestern Montana / by John W. M'Gonigle and G. Brent Dalrymple. (Geological Survey bulletin ; 2132)

40Ar/39Ar ages of some Challis Volcanic Group rocks and the initiation of Tertiary sedimentary basins in southwestern Montana / by John W. M'Gonigle and G. Brent Dalrymple. (Geological Survey bulletin ; 2132)
Paper図書
U.S. G.P.O.1996.<ME683-A59>
National Diet Library
  • Subject Heading... 第三紀. アメリカ合衆国. Rocks, Igneous -- Montana. Argon-argon dating -- Montana...

[40]Ar/[39]Ar and K-Ar geochronology and tectonic significance of the Upper Cretaceous Adel Mountain volcanics and spatially associated Tertiary igneous rocks, northwestern Montana

[40]Ar/[39]Ar and K-Ar geochronology and tectonic significance of the Upper Cretaceous Adel Mountain volcanics and spatially associated Tertiary igneous rocks, northwestern Montana
Paper図書
by Stephen S. Harlan ... [et al.]U.S. Dept. of the Interior, U.S. Geological Survey2005
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