|Name||Mauch Chunk Formation|
Sedimentary > Clastic > Siltstone
Sedimentary > Clastic > Mudstone > Shale
Sedimentary > Clastic > Sandstonesandstone; along Allegheny Front from Blair County to Sullivan County, Loyalhanna Member is greenish-gray, calcareous, crossbedded sandstone.
Sedimentary > Carbonate > LimestoneIncludes Loyalhanna Member (crossbedded, sandy limestone) at base in south-central and southwestern Pennsylvania; also includes Greenbrier Limestone Member, and Wymps Gap and Deer Valley Limestones, which are tongues of the Greenbrier.
Sedimentary > Clastic > Conglomerate
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, Miles, C.E., and Whitfield, T.G., compilers, 2001, Bedrock Geology of Pennsylvania, edition: 1.0, digital map, scale 1:250,000.
|Counties||Bedford - Blair - Cambria - Carbon - Centre - Clearfield - Clinton - Columbia - Dauphin - Fayette - Fulton - Huntingdon - Indiana - Lackawanna - Lebanon - Luzerne - Lycoming - Northumberland - Perry - Schuylkill - Somerset - Sullivan - Westmoreland - Wyoming|