Skip to main content
U.S. flag

An official website of the United States government

Explore Search: Geology

Filter Total Items: 212
Interactive Map
Collage of vessel, glacier, mineral, and scientist testing substances in pipets.

Geologic Hydrogen Prospectivity Map Explorer

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

Data Release for Prospectivity Mapping for Geologic Hydrogen

Project
A view of Mount Ascutney, the Connecticut River, and the Cornish-Windsor Covered Bridge.

Northeast Bedrock Mapping Project

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

40Ar/39Ar data from the Old Mine Park area, Trumbull, Connecticut

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

Prospect- and Mine-Related Features from U.S. Geological Survey 7.5- and 15-Minute Topographic Quadrangle Maps of the United States (ver. 10.0, May 2023)

partner

Connecticut Department of Energy and Environmental Protection, Connecticut Geological Survey

publication
image of publications layered on a wooden table

Geologic carbon management options for the North Atlantic-Appalachian Region

Featured Story
Image shows a geologic map of the Lower 48

Stitching Together the New Digital Geologic Quilt of the United States

publication
image of publications layered on a wooden table

Geology & mineralogy of the Old Mine Park area Trumbull Connecticut

publication
image of publications layered on a wooden table

Bedrock geologic map of the New Milford quadrangle, Litchfield and Fairfield Counties, Connecticut

publication
image of publications layered on a wooden table

Bedrock geologic map of the New Milford quadrangle, Litchfield and Fairfield Counties, Connecticut

publication
image of publications layered on a wooden table

Groundwater contaminant science activities of the U.S. Geological Survey in New England

map
Collage of USGS Maps.

Quaternary Geologic Map of Connecticut and Long Island Sound Basin

publication
image of publications layered on a wooden table

Geological framework data from Long Island Sound, 1981-1990: A digital data release

publication
image of publications layered on a wooden table

Implementation plan of the National Cooperative Geologic Mapping Program strategy—Northeast region of the United States: New York and New England

publication
image of publications layered on a wooden table

Selected water-resources activities of the U.S. Geological Survey in New England in 2017

Center News
A screen capture of a web application with three line graphs and one map.

USGS Dashboard Displays Nitrogen Loading into Long Island Sound

publication
image of publications layered on a wooden table

Arsenic and uranium occurrence in private wells in Connecticut, 2013–18—A spatially weighted and bedrock geology assessment

publication
image of publications layered on a wooden table

Sidescan sonar imagery and surficial geologic interpretation of the sea floor off Branford, Connecticut

publication
image of publications layered on a wooden table

White-nose syndrome in bats: U.S. Geological Survey updates

publication
image of publications layered on a wooden table

Surface water-quality activities of the U.S. Geological Survey in New England

publication
image of publications layered on a wooden table

The geology of Six Mile Reef, eastern Long Island Sound

publication
image of publications layered on a wooden table

A review of the geologic framework of the Long Island Sound Basin, with some observations relating to postglacial sedimentation

publication
image of publications layered on a wooden table

Geologic interpretation and multibeam bathymetry of the sea floor in the vicinity of the Race, eastern Long Island Sound

publication
image of publications layered on a wooden table

Sea-floor geology and topography offshore in northeastern Long Island Sound

publication
image of publications layered on a wooden table

Geologic data obtained from core samples drilled in the vicinity of Chaplin, Windham County, Connecticut

publication
image of publications layered on a wooden table

Surficial geologic interpretation and sidescan sonar imagery of the sea floor in west-central Long Island Sound

publication
image of publications layered on a wooden table

Streamstats: U.S. Geological Survey web application for streamflow statistics for Connecticut

Center News
A map of Connecticut with certain sections colored in blue, green and yellow.

USGS Calculates Groundwater-Transported Nitrogen into Long Island Sound from Connecticut

publication
image of publications layered on a wooden table

Meeting the challenge: U.S. Geological Survey North Atlantic and Appalachian Region fiscal year 2020 in review

Was this page helpful?