• Organization: Department of the Interior
• Updated: 2022-11-15T00:00:00Z

This geodatabase contains all the geologic map information for the Geologic Map of the San Juan caldera cluster, southwestern Colorado and is part of U.S. Geological Survey Geologic Investigations...

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• Organization: Department of the Interior
• Updated: 2022-07-26T00:00:00Z

The dataset includes whole-rock geochemistry and 40Ar-39Ar geochronology for Pleistocene to Oligocene volcanic and intrusive rocks. These data support figures and tables in days 2 and 3 of the...

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• Organization: Department of the Interior
• Updated: 2022-08-29T00:00:00Z

This release presents the GIS data (in GDB, shapefile, and e00 [coverage] formats) and metadata for a 1:24,000-scale geologic map of the Poncha Pass area in central Colorado. A...

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