Mineral Resources On-Line Spatial Data
Release of subatomic particles from earth materials. Generally the energy of these particles is used to determine the chemical elements present.
This category is also used for gamma ray emission.
- Terrestrial radioactivity and gamma-ray exposure in the United States and Canada [New Window]
- Flight-line databases and derived grids from aeroradiometric surveys across the US carried out during the 1970s
- Aerial gamma-ray surveys in Alaska [New Window]
- Measurements indicating abundance of radioactive elements in near-surface rocks. Grids and flight-line data from surveys flown 1976-1980.
- Gamma-ray, magnetic, and topographic data for parts of the Colorado Front Range [New Window]
- Five geospatial grids from the NURE surveys, showing potassium, uranium, and thorium concentration, residual magnetic field, and digital elevation.
- Aeromagnetic and aeroradiometric data for the conterminous United States and Alaska from the National Uranium Resource Evaluation (NURE) program of the U.S. Department of Energy [New Window]
- Aeroradiometric and aeromagnetic flight-line data from surveys flown at 400 feet with line spacing from 3 to 6 miles from 1974 through 1981.
- Radon in soils of parts of Cameron, Hidalgo, and Willacy Counties, Texas [New Window]
- Analysis of soil samples in the Texas borderland area