Brad Johnson
Arizona Geological Survey, Tucson, AZ
Activity
2025
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Coevolution of tectonism, basin sedimentation, and volcanism in Big Sandy Valley, northwestern Arizona, USA: Implications for mineral exploration, modeling, and tectonics
14 Linking Mineral Resources and the Geologic Framework of North America: The USGS Earth Mapping Resources Initiative (Earth MRI) and Related ActivitiesSunday, 19 October 20258:00 AM - 12:00 PMHBGCC, 217D