|Name||Peach Bottom Slate and Cardiff Conglomerate, undivided|
|Geologic age||Probably lower Paleozoic|
Sedimentary > Clastic > Conglomeratequartz conglomerate having a matrix of sericite and chlorite (Cardiff).
Metamorphic > Metasedimentary > Metaclastic > Slatebluish-black slate (Peach Bottom)
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||Lancaster - York|