Found 2 datasets matching filters.
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Zircon grains separated from altered ash beds were analyzed to better understand the ages of beds. Isotopic analyses for U-Pb geochronology and trace element geochemistry were performed...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
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...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03
