Geology – United States
A
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Alabama
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Alaska
- Alaska Geology (Wikipedia)
- Alaska Geologic Map (USGS)
- Physiographic Map of Alaska)
- Alaska State North Slope Map Series (ADOG)
- Geoscience for Alaska’s D-1 Lands (USGS)
- Guide to Alaska Geologic and Mineral Information
- Nenana Basin
- North Slope Geologic Map
- North Slope Geology and Fluid Flow
- Structural Geology
- Susitna Basin (ADOG)
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Arizona
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Arkansas
C
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California
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Colorado
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Connecticut
G
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Georgia
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Gulf of Mexico
I
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Idaho
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Illinois
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Indiana
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Iowa
M
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Maine
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Maryland
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Massachusetts
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Michigan
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Minnesota
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Mississippi
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Mississippi Embayment and Gulf Coastal Plain
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Missouri
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Montana
N
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Nebraska
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Nevada
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New Hampshire
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New Jersey
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New Mexico
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New York
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North Carolina
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North Dakota
O
- Ohio
- Oklahoma
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Oregon
P
- Pennsylvania
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- Adding Value to the Atlas of Major Appalachian Gas Plays
- Geologic units in Chautauqua county (USGS)
- Geology Foxburg Quad (USGS BULL)
- Geology General
- Oil and Gas Resources (PGS)
- Stratigraphy (DCNR)
- Stratigraphy Poster (DCNR)
- Stratigraphy Devonian Shales (KY, MD, OH, PA, WV)(USGS)
- Subsurface Correlation Chart (DCNR)
R
Rhode Island
T
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Tennessee
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Texas
U
Utah
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- Central Utah Thrust Belt Exploration
- Major Oil Plays In Utah and Vicinity (UGS)
- Petroleum Systems and Geologic Assessment of Oil and Gas in the Uinta-Piceance Province, Utah and Colorado
- Uinta-Piceance Basin Province
- Understanding Central Utah Thrust Belt (AAPG)
- Utah Stratigraphy Brought to you by UtahGeology.com
W
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Washington
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West Virginia
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Wyoming
- Stratigraphic Nomenclature Chart; WGA 1969
- Bighorn Basin Stratigraphy
- Black Hills Stratigraphy
- Denver Basin Stratigraphy
- Fossil Basin Stratigraphy
- Great Divide Basin Stratigraphy
- Green River Basin Stratigraphy
- Hanna-Carbon Basin Stratigraphy
- Hartville Uplift Stratigraphy
- Laramie Basin Stratigraphy
- Mesaverde Total Petroleum System, Southwestern Wyoming (USGS)
- Powder River Basin Stratigraphy
- Shirley Basin Stratigraphy
- Thrust Belt Stratigraphy
- Washakie Basin Stratigraphy
- Wind River Basin Stratigraphy
Geology – Canada
Formation Codes (Energy Resources Conservation Board)
Geological Atlas of the Western Canada Sedimentary Basin
Alberta
- Alberta Geological Survey
- Alberta Geological Survey Podcasts
- Alberta Geological Survey GIS Shape Files
- Alberta Stratigraphy (Wikipedia)
- Formation Codes
- Geological Atlas of the WCSB
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British Columbia
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Ontario
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Quebec
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Manitoba
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New Brunswick
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Newfoundland and Labrador
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Nova Scotia
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Nunavut
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Northwest Territories
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Prince Edward Island
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Saskatchewan