USGS - science for a changing world

Mineral Resources On-Line Spatial Data

Mineral Resources > Online Spatial Data > Geology > by state > Pennsylvania

Casselman Formation

Casselman Formation - Cyclic sequences of shale, siltstone, sandstone, red beds, thin, impure limestone, and thin, nonpersistent coal; red beds are associated with landslides; base is at top of Ames limestone.
StatePennsylvania
NameCasselman Formation
Geologic agePennsylvanian
Original map labelPcc
Primary rock typeshale
Secondary rock typesiltstone
Other rock typessandstone; clastic; limestone; coal
Lithologic constituents
Major
Sedimentary > Clasticred beds, red beds are associated with landslides
Sedimentary > Clastic > Mudstone > Shale
Minor
Sedimentary > Carbonate > Limestonethin, impure limestone
Sedimentary > Clastic > Sandstone
Sedimentary > Clastic > Siltstone
Incidental
Sedimentary > Coaland thin, nonpersistent coal
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 coverageAllegheny - Armstrong - Beaver - Butler - Cambria - Clearfield - Fayette - Greene - Indiana - Jefferson - Somerset - Washington - Westmoreland

Show this information as [XML] - [JSON]

AccessibilityFOIAPrivacyPolicies and Notices

Take Pride in America logoUSA.gov logoU.S. Department of the Interior | U.S. Geological Survey
URL: http://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=PAPAcc;6
Page Contact Information: Peter Schweitzer