Data Catalog

• Federal

  Geochemical data generated by projects funded by the USGS Earth Mapping Resources Initiative (ver. 12.0, December 2025)

  Department of the Interior —

  The geochemical data included here were generated as part of the Earth Mapping Resources Initiative (Earth MRI), which was developed by the U.S. Geological Survey...

  • XML
  • XML
• Federal

  Geochemical, petrophysical, and drill hole database for Mesoproterozoic igneous rocks and iron ore deposits of the St. Francois Mountains, southeast Missouri

  Department of the Interior —

  Geochemical, petrophysical, and depth to the Paleozoic-Precambrian basement interface from drill hole data for Mesoproterozoic igneous rocks and iron ore deposits of...

  • XML
  • XML
• Federal

  Operation Basement: Missouri Precambrian Sample Database

  Department of the Interior —

  In 1968, the Missouri Geological Survey (MGS) established the Operation Basement program to address three objectives: a) to obtain drill hole and underground mining...

  • XML
  • XML

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