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Image shows a detailed view of a rock with the tip of a pencil for scale
Pennington Mountain Rock with Critical Minerals
Pennington Mountain Rock with Critical Minerals
Pennington Mountain Rock with Critical Minerals

A fine-grained volcanic rock (trachyte) that hosts rare earth elements, niobium, and zirconium, all which are considered critical mineral resources. This rock was found on Pennington Mountain in Maine. Image courtesy of Chunzeng Wang, University of Maine-Presque Isle.

A fine-grained volcanic rock (trachyte) that hosts rare earth elements, niobium, and zirconium, all which are considered critical mineral resources. This rock was found on Pennington Mountain in Maine. Image courtesy of Chunzeng Wang, University of Maine-Presque Isle.

Montana Low-level Flight Survey Area
MTLLFareamap.JPG
MTLLFareamap.JPG
MTLLFareamap.JPG

Survey area for low-flying helicopter soon to be visible in six Montana counties, including Helena, the Elkhorn Mountains, Bull Mountain and the Tobacco Root Mountains.

Survey area for low-flying helicopter soon to be visible in six Montana counties, including Helena, the Elkhorn Mountains, Bull Mountain and the Tobacco Root Mountains.

Image shows two men hiking through a dense forest
Pennington Mountain Critical Minerals
Pennington Mountain Critical Minerals
Pennington Mountain Critical Minerals

Geologists in the field at Pennington Mountain. The orange instrument is a portable gamma spectrometer. University of Maine-Presque Isle professor Chunzeng Wang (the lead author) is in front, Preston Bass is carrying the meter.

Geologists in the field at Pennington Mountain. The orange instrument is a portable gamma spectrometer. University of Maine-Presque Isle professor Chunzeng Wang (the lead author) is in front, Preston Bass is carrying the meter.

Image shows a cow standing in the foreground with a helicopter towing geophysical data collecting equipment with mountains
Airborne Geophysical Survey Helicopter with Cow
Airborne Geophysical Survey Helicopter with Cow
Airborne Geophysical Survey Helicopter with Cow

A helicopter rigged with an airborne geophysical survey collecting equipment. Information collected during these surveys can help with studying critical mineral resources, natural hazards and groundwater potential. A cow is here too.

A helicopter rigged with an airborne geophysical survey collecting equipment. Information collected during these surveys can help with studying critical mineral resources, natural hazards and groundwater potential. A cow is here too.

Image shows a helicopter towing a hoop with mountains in the background
Airborne Geophysical Survey Helicopter in Nevada
Airborne Geophysical Survey Helicopter in Nevada
Airborne Geophysical Survey Helicopter in Nevada

A low-flying helicopter towing a geophysical device collects scientific data on groundwater and geology. Information collected during these surveys can help with studying critical mineral resources, natural hazards and groundwater potential.

Map
Flight area for Trans-Pecos aeromagnetic and radiometric survey
Flight area for Trans-Pecos aeromagnetic and radiometric survey
Flight area for Trans-Pecos aeromagnetic and radiometric survey

Map indicating flight area for Trans-Pecos aeromagnetic and radiometric survey. The survey area includes parts of El Paso and Hudspeth counties, Texas, and Otero County, New Mexico. Flights will begin in November 2020 and are expected to conclude in mid-January 2021. 

Map indicating flight area for Trans-Pecos aeromagnetic and radiometric survey. The survey area includes parts of El Paso and Hudspeth counties, Texas, and Otero County, New Mexico. Flights will begin in November 2020 and are expected to conclude in mid-January 2021. 

Earth MRI - Rare Minerals
Earth MRI - Rare Minerals
Earth MRI - Rare Minerals
Earth MRI - Rare Minerals

Earth MRI - Rare Minerals

Earth MRI data and applications graphic
Earth MRI Fact Sheet 2019-3007 Figure 1
Earth MRI Fact Sheet 2019-3007 Figure 1
Earth MRI Fact Sheet 2019-3007 Figure 1

Figure 1 from USGS Fact Sheet 2019-3007 The Earth Mapping Resources Initiative (Earth MRI): Mapping the Nation’s Critical Mineral Resources.

Figure 1 from USGS Fact Sheet 2019-3007 The Earth Mapping Resources Initiative (Earth MRI): Mapping the Nation’s Critical Mineral Resources.

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