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Clinton Group

Clinton Group - Predominantly Rose Hill Formation--light-olive-gray to brownish-gray, fossiliferous shale; locally, limestone occurs near top; includes dark-reddish-gray, very fine to coarse-grained, ferruginous sandstone; east of Harrisburg, equivalent to Lizard Creek Member of Shawangunk Formation. Above Rose Hill is Keefer Formation--light- to dark-gray, fossiliferous sandstone, hematitic, oolitic sandstone, and shale; not recognized east of Harrisburg.
StatePennsylvania
NameClinton Group
Geologic ageSilurian
Original map labelSc
Primary rock typeshale
Secondary rock typesandstone
Other rock typeslimestone
Lithologic constituents
Major
Sedimentary > Clastic > Sandstoneincludes dark-reddish-gray, very fine to coarse-grained, ferruginous sandstone; Above Rose Hill is Keefer Formation--light- to dark-gray, fossiliferous sandstone, and hematitic, oolitic sandstone.
Sedimentary > Clastic > Mudstone > Shale (Bed)light-olive-gray to brownish-gray, fossiliferous shale; Above Rose Hill is Keefer Formation--light- to dark-gray shale
Minor
Sedimentary > Carbonate > Limestone
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 coverageBedford - Blair - Centre - Clinton - Columbia - Cumberland - Dauphin - Franklin - Fulton - Huntingdon - Juniata - Lebanon - Lycoming - Mifflin - Montour - Northumberland - Perry - Snyder - Union

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