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Four Distinct Mid-Eocene and Oligocene Fluvial Systems, Grasshopper and Beaverhead Basins, SW Montana
Four samples from middle Eocene to Oligocene sandstones SW Montana were analyzed for detrital zircons using 60 random-grain samples analyzed by SHRIMP. The data suggest that streams in the Grasshopper half-graben draining the footwall, hanging wall, and along the basin axis carried very different po
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Related documents
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