Liberty Bell area, western Bonnifield mining district, electromagnetic and magnetic airborne geophysical survey, data compilation

This publication, GPR 2017-1, provides geophysical data produced from an airborne geophysical survey conducted in 2001 and released in 2002 for 276 sq miles of the Liberty Bell area, western Bonnifield mining district, central Alaska. Aeromagnetic and electromagnetic data were acquired during the survey. During 2016, the same digital data were reformatted for ease of use with modern processing tools; vector shapefiles and the analytic signal and calculated first vertical derivative grids were added. Other than the creation of calculated grids, no new processing was done. Data provided in GPR 2017-1 include processed (1) linedata ASCII databases, (2) gridded files of magnetic and resistivity data, (3) vector files...

Tags: Aeromagnetic, Aeromagnetic Data, Aeromagnetic Map, Aeromagnetic Survey, Airborne Geophysical Survey, All tags... Alaska, State of, Apparent Resistivity Data, Apparent Resistivity Map, Apparent Resistivity Survey, Bonanza Creek, Bonnifield Mining District, Buzzard Creek, California Creek, Chicken Creek, Coal Creek, Cody Creek, DIGHEM-V EM System, Daniels Creek, Digital Elevation Model, Eagle Creek, Electromagnetic Anomalies, Electromagnetic Data, Electromagnetic Survey, Elsie Creek, Emma Creek, Eva Creek, Fairbanks Quadrangle, First Vertical Derivative, Fourth of July Creek, Geophysical Map, Geophysical Survey, Geophysics, Geophysics Search Tag, Homestake Creek, Iron Creek, Liberty Bell Mine, Little Moose Creek, Lynx Creek, Magnetics, Marguerite Creek, McAdam Creek, Resistivity, Resistivity Survey, Rex Creek, Rex Dome, Saint Charles Creek, Spruce Creek, Steep Creek, Wilson Creek, Winter Creek, geoscientificInformation, Fewer tags

Geologic map of the Strawberry Butte quadrangle, Meagher County, Montana

The Strawberry Butte quadrangle, scale 1:24,000, is a legacy map of the U.S. Geological Survey, made as part of the Montana Investigations Project to provide information on the stratigraphy, structure, and geologic history of the area. The quadrangle encompasses an area of about 132 km2 (51 mi2) in the southwest part of the Little Belt Mountains and is about 26 km (17 mi) north of White Sulphur Springs, county seat of Meagher County, Montana. Two contrasting geologic terranes form the area. The northern two-thirds of the quadrangle are underlain by Paleoproterozoic metagranite that contains some inclusions of metadiorite and biotite gneiss. A veneer of Middle Cambrian sedimentary rocks, including the Flathead Sandstone...

Types: Citation; Tags: Allan Creek, Allan Park, Belt Supergroup, Black Butte, Black Butte Creek, All tags... Black Butte Creek fault zone, Black Butte Creek metallic mineral deposits, Cabin Creek, Calf Creek, Cambrian conglomerate, Cambrian trace fossils, Cenozoic basin deposits, Cenozoic faulting, Cenozoic unconformities, Central Montana uplift, Copper Creek, Eagle Creek, East Fork Calf Creek, Eocene erosion, Eocene plutonism, Hematite alteration after sulfide mineralization, Indian Creek, Iron Butte iron deposit, Iron-silicate gossan, Laccolith, Laccoliths, Little Belt Mountains, Land Use Change, Lewis and Clark National Forest, Lewis and Clark tectonic zone, Little Belt Mountains, Little Belt Mountains uplift, Little Moose Creek, Little Sheep Creek, Meagher County, Mesoproterozoic sedimentary rocks, Metallic mineral deposits, Little Belt Mountains, Middle Fork Calf Creek, Mineralogy, Montana, Moose Creek, Moose Creek Campground, Moose Pass, Neoproterozoic-Middle Cambrian tectonism, Oblique-slip faulting, Oligocene basalt, Oligocene volcanism, Paleoproterozoic metamorphic rocks, Pole Creek, Pre-Flathead unconformity, Recurrent faulting, Sheep Creek, Squaw Creek, Strawberry Butte, Strike-slip faulting, Structural Geology, USA, USGS Science Data Catalog (SDC), United States, Volcano Valley fault zone, West Fork Calf Creek, Woods Mountain laccolith, Fewer tags