Legend (Geology/WVGeologicMap1968)

Faults (0) <all other values> thrust unknown Folds (1) <all other values> anticline boundary syncline Lithology Labels (2) Lithology (3) alluvium dolostone greenstone limestone phyllite quartzite sandstone shale shale/ss ss/ls Period Labels (4) Periods (USGS FGDC) (5) Cenozoic-Quaternary Paleozoic-Pennsylvanian/Permian Paleozoic-Pennsylvanian Paleozoic-Mississippian Paleozoic-Devonian Paleozoic-Silurian Paleozoic-Ordovician Paleozoic-Cambrian Precambrian-Cambrian Groups (6) Dunkard Monongahela Conemaugh Pottsville Mauch Chunk Greenbrier Millboro Shale Chemung Helderberg Pocono Clinton Trenton Trenton, Black River Black River St. Paul Beekmantown Chilhowee Groups and Formations (7) [alluvium] (Dunkard) Greene, Washington, Waynesburg (Monongahela) Uniontown, Pittsburgh (Conemaugh) Casselman, Glenshaw (Conemaugh) Allegheny Allegheny (Pottsville) (Pottsville) Kanawha (Pottsville) New River (Pottsville) Pocahontas (Mauch Chunk) (Mauch Chunk) Bluestone, Princeton (Mauch Chunk) Hinton Mauch Chunk;Bluefield (Greenbrier) Maccrady (Pocono) Maccrady (Pocono) Hampshire (Chemung) Brallier Brallier and Harrell Shale Harrell Shale Mahantango Millboro Shale;Harrell, Mahantango, Marcellus Marcellus Marcellus and Needmore Shale Oriskany Sandstone Helderberg; (Helderberg) Oriskany Sandstone Tonoloway, Wills Creek, Williamsport Clinton;McKenzie Clinton;McKenzie, Tuscarora Sandstone Tuscarora Sandstone Juniata, Oswego Martinsburg (Trenton) Trenton, Black River; (Black River) (St. Paul) Beekmantown; Beekmantown;Pinesburg Station Beekmantown;Rockdale Run Beekmantown;Stonehenge Limestone Conococheague Elbrook Waynesboro Tomstown ("Chilhowee") Antietam ("Chilhowee") Harpers ("Chilhowee") Weverton-Loudoun Catoctin Rock Unit Labels (8) Rock Units (9) CPCc Ca Cc Ce Ch Ct Cw Cwy Db Dbh Dch Dh Dhl Dhs Dm Dmb Dmn Dmt Dmu Do Dohl Mbf Mbp Mg Mh Mmc Mmcc Mmp Mp NA Ob Obps Obr Obrr Obs Ojo Om Omc Osp Ot Otbr Pd Pna Pnc Pnk Pnm Pnnr Pnp Pnpv Qal Sct Smc St Stw