Surficial geologic units

Rock units on the earth's surface.
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Engineering geologic maps of northern Alaska, Harrison Bay quadrangle

Map and report on the surficial deposits and bedrock of the onshore part of the Harrison Bay quadrangle, Alaska. The map area is located within the Arctic Coastal Plain and in the northeastern part of the National Petroleum Reserve of Alaska (NPRA).

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Geologic and geophysical maps of the El Casco 7.5′ quadrangle, Riverside County, southern California, with accompanying geologic-map database

In addition to geologic units and structural features, these data include gravity observations and horizontal gravity gradient information.

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Map of sand and gravel mines, prospects, and occurrences, and the geologic units that host them in the Wyoming Landscape Conservation Initiative (WLCI) study area, southwestern Wyoming

Comparison of the locations reported for these mineral deposits with mapped geologic units likely to host them; information comes from three different source compilations.

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Surficial geologic map of parts of the Misheguk Mountain and Baird Mountains quadrangles, Noatak National Preserve, Alaska

Primary surficial units are late Quaternary glacial, glacio-lacustrine, and fluvial deposits. Map and report include radiocarbon dates, geologic units.

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Surficial geologic map of the Bettles quadrangle, Alaska

The Bettles quadrangle includes part of the southern Brooks Range and uplands and valleys of interior Alaska. This map depicts the surficial geology and glacial history, and includes description of map units and a correlation of map units.

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Surficial geologic map of the Castle Mountain fault between Houston and Hatcher Pass Road, Alaska

A surficial geologic map showing the location of the Castle Mountain fault and other active or potentially active faults in the Matanuska-Susitna borough.

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Surficial geologic map of the Hughes quadrangle, Alaska

A 1:250,000 scale surficial geologic map of the Hughes quadrangle, Alaska, which extends into the southern Brooks Range and the uplands and valleys of interior Alaska. The map includes glacial history, geologic unit descriptions, and a correlation of map

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Alabama geologic map data

A GIS database of geologic units and structural features in Alabama, with lithology, age, data structure, and format written and arranged just like the other states.

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Alaska geologic map data

A GIS database of geologic units and structural features in Alaska, with lithology, age, data structure, and format written and arranged just like the other states.

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Arizona geologic map data

A GIS database of geologic units and structural features in Arizona, with lithology, age, data structure, and format written and arranged just like the other states.

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Arkansas geologic map data

A GIS database of geologic units and structural features in Arkansas, with lithology, age, data structure, and format written and arranged just like the other states.

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California geologic map data

A GIS database of geologic units and structural features in California, with lithology, age, data structure, and format written and arranged just like the other states.

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Colorado geologic map data

A GIS database of geologic units and structural features in Colorado, with lithology, age, data structure, and format written and arranged just like the other states.

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Connecticut geologic map data

A GIS database of geologic units and structural features in Connecticut, with lithology, age, data structure, and format written and arranged just like the other states.

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Delaware geologic map data

A GIS database of geologic units and structural features in Delaware, with lithology, age, data structure, and format written and arranged just like the other states.

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Digital geologic map of the Spokane 1:100,000 quadrangle, Washington and Idaho; a digital data base for the 1990 N.L. Joseph map

Geologic units, structural features, and point measurements describing the earth characteristics of this area.

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Digital map of surficial geology, wetlands, and deepwater habitats, Coeur d'Alene river valley, Idaho

Details of materials and geologic environments in an area where a long history of mining has enriched stream sediments in silver, lead, zinc, arsenic, antimony and mercury, copper, cadmium, manganese, and iron.

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Florida geologic map data

A GIS database of geologic units and structural features in Florida, with lithology, age, data structure, and format written and arranged just like the other states.

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Geologic map of Alaska

Digital compilation and reinterpretation of published and unpublished geologic mapping of Alaska.

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Geologic map of Alaska

Digital compilation and reinterpretation of published and unpublished geologic mapping of Alaska.

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Geologic map of Big Bend National Park, Texas

New geologic map to reflect mapping of late Cretaceous to Tertiary clastic sedimentary rocks, park-wide mapping of surficial deposits, and a newly revised volcanic stratigraphy.

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Geologic map of metallic and nonmetallic mineral deposits, Badakhshan Province, Afghanistan, modified from the 1967 original map compilation of G.G. Semenov and others

Province contains Weka Dur, see companion report chapter B. Reproduces the topology of original Soviet maps and cross sections. Original Russian terminology and rock classification translated into modern English geologic usage as literally as possible.

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Geologic map of the Ahankashan-Rakhna basin, Badghis, Ghor, and Herat Provinces, Afghanistan, modified from the 1974 original map compilation of Y.I. Shcherbina and others

Presents one of several gold and copper deposit prospect areas in west-central Afghanistan. Reproduced topology of original Soviet maps and cross sections. Original terminology and rock classification translated literally to modern English geologic usage.

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Geologic map of the Cook Inlet region, Alaska, including parts of the Talkeetna, Talkeetna Mountains, Tyonek, Anchorage, Lake Clark, Kenai, Seward, Iliamna, Seldovia, Mount Katmai, and Afognak 1:250,000-scale quadrangles

The map updates a major geologic map of the Cook Inlet region published in 1976 incorporating new and additional mapping and interpretation. This map is also a revision of areas of overlap with the geologic map completed for central Alaska.

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Geologic map of the east half of the Lime Hills 1:250,000-scale quadrangle, Alaska

This map, compiled from geologic mapping conducted (1985-1992) by the U.S. Geological Survey as part of the Alaska Mineral Resource Assessment Program, builds upon previous USGS work unraveling the magmatic history of the Alaska-Aleutian Range batholith.

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Geologic Map of the Great Smoky Mountains National Park Region, Tennessee and North Carolina

Bedrock and surficial geologic units and structural features in this area

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Geologic map of the Weka Dur gold deposit, Badakhshan Province, Afghanistan, modified from the 1967 original map compilation of M.P. Guguev and others

Weka Dur is the largest gold occurrence in Afghanistan. Map reproduces the topology of original Soviet maps and cross sections. Original Russian terminology and rock classification translated into modern English geologic usage as literally as possible.

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Geological map data

Characteristics of bedrock and surficial geologic terranes and structural features at various levels of detail. The information provided here are intended for use in the synoptic study of large areas, and are likely not suitable for detailed study of geog

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Georgia geologic map data

A GIS database of geologic units and structural features in Georgia, with lithology, age, data structure, and format written and arranged just like the other states.

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Hawai`i geologic map data

A GIS database of geologic units and structural features in Hawai`i, with lithology, age, data structure, and format written and arranged just like the other states.

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Idaho geologic map data

A GIS database of geologic units and structural features in Idaho, with lithology, age, data structure, and format written and arranged just like the other states.

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Illinois geologic map data

A GIS database of geologic units and structural features in Illinois, with lithology, age, data structure, and format written and arranged just like the other states.

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Indiana geologic map data

A GIS database of geologic units and structural features in Indiana, with lithology, age, data structure, and format written and arranged just like the other states.

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Iowa geologic map data

A GIS database of geologic units and structural features in Iowa, with lithology, age, data structure, and format written and arranged just like the other states.

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Kansas geologic map data

A GIS database of geologic units and structural features in Kansas, with lithology, age, data structure, and format written and arranged just like the other states.

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Kentucky geologic map data

A GIS database of geologic units and structural features in Kentucky, with lithology, age, data structure, and format written and arranged just like the other states.

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Louisiana geologic map data

A GIS database of geologic units and structural features in Louisiana, with lithology, age, data structure, and format written and arranged just like the other states.

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Maine geologic map data

A GIS database of geologic units and structural features in Maine, with lithology, age, data structure, and format written and arranged just like the other states.

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Maryland geologic map data

A GIS database of geologic units and structural features in Maryland, with lithology, age, data structure, and format written and arranged just like the other states.

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Massachusetts geologic map data

A GIS database of geologic units and structural features in Massachusetts, with lithology, age, data structure, and format written and arranged just like the other states.

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Michigan geologic map data

A GIS database of geologic units and structural features in Michigan, with lithology, age, data structure, and format written and arranged just like the other states.

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Minnesota geologic map data

A GIS database of geologic units and structural features in Minnesota, with lithology, age, data structure, and format written and arranged just like the other states.

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Mississippi geologic map data

A GIS database of geologic units and structural features in Mississippi, with lithology, age, data structure, and format written and arranged just like the other states.

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Missouri geologic map data

A GIS database of geologic units and structural features in Missouri, with lithology, age, data structure, and format written and arranged just like the other states.

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Montana geologic map data

A GIS database of geologic units and structural features in Montana, with lithology, age, data structure, and format written and arranged just like the other states.

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Nebraska geologic map data

A GIS database of geologic units and structural features in Nebraska, with lithology, age, data structure, and format written and arranged just like the other states.

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Nevada geologic map data

A GIS database of geologic units and structural features in Nevada, with lithology, age, data structure, and format written and arranged just like the other states.

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New Hampshire geologic map data

A GIS database of geologic units and structural features in New Hampshire, with lithology, age, data structure, and format written and arranged just like the other states.

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New Jersey geologic map data

A GIS database of geologic units and structural features in New Jersey, with lithology, age, data structure, and format written and arranged just like the other states.

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New Mexico geologic map data

A GIS database of geologic units and structural features in New Mexico, with lithology, age, data structure, and format written and arranged just like the other states.

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New York geologic map data

A GIS database of geologic units and structural features in New York, with lithology, age, data structure, and format written and arranged just like the other states.

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North Carolina geologic map data

A GIS database of geologic units and structural features in North Carolina, with lithology, age, data structure, and format written and arranged just like the other states.

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North Dakota geologic map data

A GIS database of geologic units and structural features in North Dakota, with lithology, age, data structure, and format written and arranged just like the other states.

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Ohio geologic map data

A GIS database of geologic units and structural features in Ohio, with lithology, age, data structure, and format written and arranged just like the other states.

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Oklahoma geologic map data

A GIS database of geologic units and structural features in Oklahoma, with lithology, age, data structure, and format written and arranged just like the other states.

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Oregon geologic map data

A GIS database of geologic units and structural features in Oregon, with lithology, age, data structure, and format written and arranged just like the other states.

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Pennsylvania geologic map data

A GIS database of geologic units and structural features in Pennsylvania, with lithology, age, data structure, and format written and arranged just like the other states.

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Preliminary integrated geologic map databases for the United States: Alabama, Florida, Georgia, Mississippi, North Carolina, and South Carolina

Digital geologic map information with a consistent set of attributes, part of a national compilation of similar maps. Available in formats compatible with GIS.

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Preliminary integrated geologic map databases for the United States: California, Nevada, Arizona, Washington, Oregon, Idaho, and Utah

Digital geologic map information with a consistent set of attributes, part of a national compilation of similar maps. Available in formats compatible with GIS.

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Preliminary integrated geologic map databases for the United States: Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, Rhode Island and Vermont

Digital geologic map information with a consistent set of attributes, part of a national compilation of similar maps. Available in formats compatible with GIS.

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Preliminary integrated geologic map databases for the United States: Digital data for the reconnaissance geologic map of the lower Yukon River region, Alaska

Reconnaissance geologic map of the lower Yukon River region in southwest Alaska includes Quaternary surficial deposits on the delta plain and bedrock exposures in mountains within the delta plain and the uplands that border the delta plain.

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Preliminary integrated geologic map databases for the United States: Kentucky, Ohio, Tennessee, and West Virginia

Digital geologic map information with a consistent set of attributes, part of a national compilation of similar maps. Available in formats compatible with GIS.

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Preliminary integrated geologic map databases for the United States: Montana, Wyoming, Colorado, New Mexico, Kansas, Oklahoma, Texas, Missouri, Arkansas, and Louisiana

Digital geologic map information with a consistent set of attributes, part of a national compilation of similar maps. Available in formats compatible with GIS.

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Preliminary integrated geologic map databases for the United States; Minnesota, Wisconsin, Michigan, Illinois, and Indiana

Digital geologic map information with a consistent set of attributes, part of a national compilation of similar maps. Available in formats compatible with GIS.

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Reconnaissance geologic map of Kodiak Island and adjacent islands, Alaska

Contains one of the largest areas of exposure of the flysch and melange of the Chugach terrane of southern Alaska. This map and its associated digital files were compiled for use at a nominal scale of 1:500,000.

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Reconnaissance geologic map of the Kuskokwim Bay region, southwest Alaska

A geologic map constructed primarily from reconnaissance studies from the 1950s to 1990s. The rocks of the map area range from Proterozoic age metamorphic rocks of the Kanektok metamorphic complex to Quaternary age mafic volcanic rocks of Nunivak Island.

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Rhode Island geologic map data

A GIS database of geologic units and structural features in Rhode Island, with lithology, age, data structure, and format written and arranged just like the other states.

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South Carolina geologic map data

A GIS database of geologic units and structural features in South Carolina, with lithology, age, data structure, and format written and arranged just like the other states.

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South Dakota geologic map data

A GIS database of geologic units and structural features in South Dakota, with lithology, age, data structure, and format written and arranged just like the other states.

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State geologic map compilation

Digital geologic maps of the US states with consistent lithology, age, GIS database structure, and format

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Tennessee geologic map data

A GIS database of geologic units and structural features in Tennessee, with lithology, age, data structure, and format written and arranged just like the other states.

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Texas geologic map data

A GIS database of geologic units and structural features in Texas, with lithology, age, data structure, and format written and arranged just like the other states.

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The State Geologic Map Compilation (SGMC) Geodatabase of the Conterminous United States

A collection of state geological maps using the same underlying database structure. Updates the preliminary state geologic map compilation released in 2005, with corrections and seven updated state geologic maps as well as seven new state geologic maps.

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Three-dimensional geologic model of complex fault structures in the upper Seco Creek area, Medina and Uvalde counties, south-central Texas

Data sets include drill-hole from core and geophysical logs, surface geology and elevation, and helicopter electromagnetic survey data. The model may be explored and .jpg or .tiff images or using specialized software provided.

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Utah geologic map data

A GIS database of geologic units and structural features in Utah, with lithology, age, data structure, and format written and arranged just like the other states.

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Vermont geologic map data

A GIS database of geologic units and structural features in Vermont, with lithology, age, data structure, and format written and arranged just like the other states.

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Virginia geologic map data

A GIS database of geologic units and structural features in Virginia, with lithology, age, data structure, and format written and arranged just like the other states.

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Washington geologic map data

A GIS database of geologic units and structural features in Washington, with lithology, age, data structure, and format written and arranged just like the other states.

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West Virginia geologic map data

A GIS database of geologic units and structural features in West Virginia, with lithology, age, data structure, and format written and arranged just like the other states.

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Wisconsin geologic map data

A GIS database of geologic units and structural features in Wisconsin, with lithology, age, data structure, and format written and arranged just like the other states.

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Wyoming geologic map data

A GIS database of geologic units and structural features in Wyoming, with lithology, age, data structure, and format written and arranged just like the other states.

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Geology of the Prince William Sound and Kenai Peninsula region, Alaska

The region includes a significant part of one of the world’s largest accretionary complexes and a small part of the classic magmatic arc geology of the Alaska Peninsula. The map was compiled from existing mapping augmented by available new or revised data

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Spatial databases for the geology of the Northern Rocky Mountains - Idaho, Montana, and Washington

The spatial databases represent the original content of 43 published geologic maps, provide normalized map unit descriptions, and provide additional information and interpretation not in the original reports.

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Spatial digital database for the tectonic map of southeast Arizona

Geologic map GIS which represents the original content of the published geologic map and which can be queried in many ways to produce a variety of geologic maps and derivative products.

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Time-domain electromagnetic soundings near Antioch, Illinois,and Berrien Springs, Michigan

Study to help constrain 3-dimensional geologic maps of surficial materials in these glacial deposits

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