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1. Hf isotopic compositions of the Napier Complex, Antarctica [Napier_Cmplx_Hf_isotopes]
The geochemical community is now assessing the evidence for the origin of the earliest crust and depletion of the Archean mantle through a variety of methods, including documentation of ...


2. Geologic map of the Ennis 30' X 60' quadrangle, Madison and Gallatin Counties, Montana, and Park County, Wyoming [USGS_mapi-2690]
This map forms part of the Montana State Geological Map. The Ennis 1:100,000 quadrangle lies within both the Laramide (Late Cretaceous to early Tertiary) foreland province of southwestern Montana ...


3. Minnesota River Valley 1990 Wide-angle Experiment [PASSCAL_94-006]
In the summer of 1990, the University of Wyoming conducted a wide-angle reflection/refraction experiment along the Minnesota River Valley. The goal of the experiment was to image crustal structure ...


4. Geologic map of the Sedan quadrangle, Gallatin and Park Counties, Montana [USGS_mapi-2634]
The geology of the Sedan quadrangle was mapped as part of a regional study of the western Crazy Mountains Basin. It was digitized for ease of production of the printed version and for greater distribution ...


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