USGS Mineral Resources On-Line Spatial Data
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Geologic units in Venango county, Pennsylvania
Includes the Shenango Formation (Ms) and Cuyahoga Group (Mc), which are described separately below. Shenango: Light-gray sandstone and some beds of medium-gray shale and siltstone; upper third of formation is more shaly; contains a few marine fossils.
Ultramafic rocks (PAPZu;0) - mrdata.usgs.gov
Geologic unit mapped in Pennsylvania: Includes serpentine, steatite, and other products of alteration of peridotites and pyroxenites.
Conemaugh Group (PAPAc;6) - mrdata.usgs.gov
Geologic unit mapped in Pennsylvania: Includes in descending order, the Casselman Formation (PAcc) and the Glenshaw Formation (PAcg), which are described separately below. Casselman: Cyclic sequences of shale, siltstone, sandstone, red beds, thin, impure limestone, and thin, nonpersistent coal; red beds are associated with landslides; base is ...
USGS: Mineral Resources On-Line Spatial Data: Pennsylvania
This map sheet with accompanying Geographic Information System (GIS) project is an update of the existing U.S. Geological Survey (USGS) Conterminous U.S. Coal Fields map compiled using data primarily from the USGS National Coal Resource Assessment (NCRA).
USGS Science Topics: geospatial datasets and Pennsylvania
Broad areas within the United States to target acquisition of geologic mapping, geophysical data, or detailed topographic information to aid research, mineral exploration, and evaluation of critical mineral potential.
USGS: Mineral Resources On-Line Spatial Data: geologic maps
Maps depicting geological characteristics of the earth's surface, including lithology, geologic structure, age, and the results of crustal processes. Used where the product includes a depiction of the map as a whole, not for data sets that could be used to create a map.
Franklin Marble (PApCAfm;14) - mrdata.usgs.gov
Geologic unit mapped in Pennsylvania: White, coarsely crystalline; disseminated graphite flakes.
Geologic units in Fulton county, Pennsylvania - USGS
Includes 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.