Search datasets
-
The geodatabase for the Charlotte 1 degree × 2 degrees quadrangle by Goldsmith and others (1988) was compiled in the Geologic Map Schema (GeMS). The geologic map extends across four lithotectonic...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: August 01, 2026 at 05:18 AM -
This 1:50,000-scale geologic map represents a compilation of the most recent geologic studies of the upper Arkansas River valley, between Leadville and Salida, Colorado. The valley is structurally...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: August 01, 2026 at 05:07 AM -
The database for the geologic map of the Frederick 30 x 60 quadrangle covers the distinct geologic provinces and sections of the central Appalachian region that are defined by unique bedrock and...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 05:46 AM -
The bedrock geologic map database of the Woodstock quadrangle consists of highly deformed metasedimentary rocks of the Central Maine trough, including the Silurian Rangeley and Perry Mountain...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 04:34 AM -
A mineral resource assessment for lithium was carried out by the U.S. Geological Survey (USGS) for the southern Appalachian region, between latitudes 31N and 40N and longitudes 75W and 89W, in the...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 05:12 AM -
Regional geologic investigations show that all the metamorphosed crystalline rocks underlying the Greenville 1 degree x 2 degree quadrangle are allochthonous. Seismic-reflection studies, the...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 05:01 AM -
The database for the Washington West 30- by 60-minute quadrangle covers an area of approximately 4,884 square kilometers (1,343 square miles) in and west of the Washington, D.C., metropolitan...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 04:03 AM -
The database for the Preliminary Geologic Map of the Cherry Hill Quadrangle, Dinwiddie, Sussex, and Greensville Counties, Virginia geographically straddles the Coastal Plain and Piedmont Provinces...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 05:35 AM -
This data set represents laboratory measurements conducted on a suite of select 53 pegmatite and host rock samples to better spectrally characterize complex pegmatite minerals. Of these 53 samples...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 06:16 AM -
The preliminary bedrock geologic map database of the 7.5-minute Port Henry quadrangle consists of deformed and metamorphosed Mesoproterozoic gneisses of the Adirondack Highlands unconformably...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 05:24 AM -
The bedrock geology of the Bellows Falls 7.5 x 15 minute quadrangle, Vermont and New Hampshire, consists of polydeformed Ordovician to Devonian metasedimentary, metavolcanic, and metaplutonic...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 05:13 AM -
The area of study is restricted to the northern Appalachian region between latitudes 38N and 48N and longitudes 66W and 77W in the U.S. states of Maine, New Hampshire, Vermont, New York,...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 05:13 AM -
The bedrock geology map database of the 7.5-minute Crown Point quadrangle consists of deformed and metamorphosed Mesoproterozoic gneisses of the Adirondack Highlands unconformably overlain by...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 03:35 AM -
The database for the Buckner 7.5-minute quadrangle straddles three terrane boundaries in the Piedmont Physiographic Province in central Virginia: the Chopawamsic terrane, the Elk Hill Complex, and...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 05:11 AM -
The database for the geology of the 7.5-minute Eagle Lake quadrangle consists of deformed and metamorphosed Mesoproterozoic gneisses of the Adirondack Highlands unconformably overlain by weakly...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 03:50 AM