Coburn Formation through Loysburg Formation, undivided (PAOcl;15)

State	Pennsylvania
Name	Coburn Formation through Loysburg Formation, undivided
Geologic age	Ordovician
Original map label	Ocl
Primary rock type	limestone
Secondary rock type	shale
Other rock types	dolostone (dolomite); calcarenite; metavolcanic rock
Lithologic constituents	Major Metamorphic > Metaigneous > MetavolcanicOcn and Obl: metabentonite beds Minor Sedimentary > Clastic > Sandstone > Arenite > CalcareniteOcn: Nealmont Formation--medium-gray fossiliferous limestone (calcarenite--Rodman Member)
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 [http://www.dcnr.state.pa.us/topogeo/map1/bedmap.aspx]
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 [http://www.dcnr.state.pa.us/topogeo/map1/bedmap.aspx]
Geographic coverage	Bedford - Blair - Centre - Fulton - Huntingdon