-
Database of the Geologic Map of North America
"The Geological Society of America’s (GSA) Geologic Map of North America (Reed and others, 2005; 1:5,000,000) shows the geology of a significantly large area of the Earth,... -
USGS Mineral Resources: Magnetic anomaly maps and data for North America
From the site: "Airborne measurement of the earth's magnetic field over all of North America provides gridded data describing the magnetic anomaly caused by variations in earth... -
An overview of Some Key Factors Controlling Well Productivity in Core Areas o...
The Middle Devonian Marcellus Shale is one of the premier gas shale plays of North America in terms of total gas resource, extent, production rates, and economic potential. The... -
Topographic and Bathymetric Shaded Relief of North America
Topographic shaded relief shows the land surface, while bathymetric shaded relief shows underwater terrain. The Topographic and Bathymetric Shaded Relief of North America image... -
USGS Mineral Resources: Aeroradiometric Surveys of North America
From the site: "Data generated by aerial sensing of radiation emanating from the earth's surface provides general estimates of the geographic distribution of Uranium, Thorium,... -
Geology and Structure Map of North America
The Geological Society of Americas (GSA) Geologic Map of North America (Reed and others, 2005; 1:5,000,000) shows the geology of a significantly large area of the Earth,...