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Mineral Resources On-Line Spatial Data

Ridgeley Formation through Coeymans Formation, undivided

Ridgeley Formation through Coeymans Formation, undivided - In descending order: Ridgeley Formation--white siliceous sandstone; Shriver Chert--gray siltstone and shale and dark-gray chert; Port Ewen Shale--dark-gray calcareous siltstone and shale; Minisink Limestone--dark-gray clayey limestone; New Scotland Formation--dark-gray fossiliferous shale and clayey limestone; Coeymans Formation--gray, clayey to sandy limestone.
StatePennsylvania
NameRidgeley Formation through Coeymans Formation, undivided
Geologic ageDevonian
Original map labelDrc
Primary rock typesandstone
Secondary rock typesiltstone
Other rock typesshale; limestone; chert
Lithologic constituents
Minor
Sedimentary > Carbonate > Limestone (Bed)Minisink Limestone--dark-gray clayey limestone; New Scotland Formation--dark-gray clayey limestone; Coeymans Formation--gray, clayey to sandy limestone.
Sedimentary > Chemical > Chert (Bed)Shriver Chert--dark-gray chert
Sedimentary > Clastic > Mudstone > Shale (Bed)Shriver Chert--gray shale; Port Ewen Shale--darkgray shale; New Scotland Formation--dark-gray fossiliferous shale
Sedimentary > Clastic > Siltstone (Calcareous)Shriver Chert--gray siltstone; Port Ewen Shale--darkgray calcareous siltstone
Sedimentary > Clastic > Sandstone (Bed)Ridgeley Formation--white siliceous sandstone
Map references
Pennsylvania Bureau of Topographic and Geologic Survey, Department of Conservation and Natural Resources, 2001, Bedrock Geology of Pennsylvania, edition: 1.0, digital map. Retrieved from internet 9-30-2004; <http://www.dcnr.state.pa.us/topogeo/map1/bedmap.aspx> DL Data: pageoexp.zip
Unit references
Berg, T. M., Edmunds, W. E., Geyer, A. R., and others, compilers, 1980, Geologic map of Pennsylvania: Pennsylvania Geological Survey, 4th ser., Map 1, 2nd ed., 3 sheets, scale 1:250,000.
Pennsylvania Bureau of Topographic and Geologic Survey, Department of Conservation and Natural Resources, 2001, Bedrock Geology of Pennsylvania, edition: 1.0, digital map. Retrieved from internet 9-30-2004; <http://www.dcnr.state.pa.us/topogeo/map1/bedmap.aspx> DL Data: pageoexp.zip
Geographic coverageCarbon - Monroe

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