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searching for Geology of Pennsylvania 100 found (164 total)

Centemodon (161 words) [view diff] no match in snippet view article find links to article

Centemodon (meaning "point tooth") is an extinct genus of basal phytosaur from the Late Triassic Period. It lived in what is now Pennsylvania, United States

Suchoprion (166 words) [view diff] no match in snippet view article find links to article

Suchoprion is a dubious genus of phytosaurian archosaur known from poor remains from the Late Triassic of North America. It was once thought to be a theropod

Compsosaurus (173 words) [view diff] no match in snippet view article find links to article

Compsosaurus (meaning "elegant lizard") is an extinct genus of phytosaur, a crocodile-like reptile that lived during the Triassic. Its fossils have been

Fedexia (1,097 words) [view diff] no match in snippet view article find links to article

Fedexia is an extinct genus of carnivorous temnospondyl within the family Trematopidae. It lived 300 million years ago during the late Carboniferous period

Gwyneddosaurus (400 words) [view diff] no match in snippet view article find links to article

Gwyneddosaurus is a possibly invalid genus of extinct aquatic tanystropheid reptile. The type species, G. erici was described in 1945 by Wilhelm Bock,

Keyser Formation (778 words) [view diff] no match in snippet view article find links to article

The Late Silurian to Early Devonian Keyser Formation is a mapped limestone bedrock unit in Pennsylvania, Maryland, Virginia, and West Virginia. The Keyser

Pottsville Formation (767 words) [view diff] no match in snippet view article find links to article

The Pennsylvanian Pottsville Formation is a mapped bedrock unit in Pennsylvania, western Maryland, West Virginia, Ohio, and Alabama. It is a major ridge-former

Java Formation (94 words) [view diff] no match in snippet view article find links to article

The Java Formation is a geologic formation in Kentucky, New York, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia. It preserves fossils dating back

Desmatodon (277 words) [view diff] no match in snippet view article find links to article

Desmatodon is an extinct genus of diadectid reptiliomorph. With fossils found from the Kasimovian (Missourian) stage of the Late Carboniferous of Pennsylvania

Conemaugh Group (58 words) [view diff] no match in snippet view article find links to article

The Conemaugh Group is a geologic group in West Virginia, Pennsylvania, Ohio, and Maryland. It preserves fossils dating back to the Carboniferous period

Conococheague Formation (383 words) [view diff] no match in snippet view article find links to article

The Conococheague Formation is a mapped Appalachian bedrock unit of Cambrian age, consisting primarily of limestone and dolomite. It occurs in central

Berea Sandstone (1,065 words) [view diff] no match in snippet view article find links to article

Berea Sandstone, also known as Berea Grit, is a sandstone formation in the U.S. states of Michigan, Ohio, Pennsylvania, West Virginia, and Kentucky. It

Needmore Shale (225 words) [view diff] no match in snippet view article find links to article

The Devonian Needmore Formation or Needmore Shale is a mapped bedrock unit in Pennsylvania, Maryland, Virginia, and West Virginia. The Needmore Formation

Rose Hill Formation (130 words) [view diff] no match in snippet view article find links to article

The Rose Hill Formation is a geologic formation in West Virginia, United States. This formation dates back to the Silurian period, and is a source of iron

Harrell Shale (314 words) [view diff] no match in snippet view article find links to article

The Devonian Harrell Formation is a mapped bedrock unit in Pennsylvania, Maryland, West Virginia, and Virginia. The Harrell Formation was first described

Washington Formation (238 words) [view diff] no match in snippet view article find links to article

The Washington Formation is a coal, sandstone, and limestone geologic formation located in Ohio, Pennsylvania and West Virginia. It dates back to the Lower

Catskill Group (515 words) [view diff] no match in snippet view article find links to article

The Devonian Catskill Group or the Catskill Clastic wedge is a unit of mostly terrestrial sedimentary rock found in Pennsylvania and New York. Minor marine

Foreknobs Formation (379 words) [view diff] no match in snippet view article find links to article

The Devonian Foreknobs Formation is a mapped bedrock unit in Pennsylvania, Maryland, Virginia, and West Virginia. The Foreknobs Formation contains massive

Antietam Formation (121 words) [view diff] no match in snippet view article find links to article

The Antietam Formation or Antietam Sandstone is a geologic formation in Pennsylvania, Maryland and West Virginia. It is largely quartz sandstone with some

Tomstown Dolomite (138 words) [view diff] no match in snippet view article find links to article

The Tomstown Dolomite or Tomstown Formation is a geologic formation in Maryland, Pennsylvania, Virginia and West Virginia. It preserves fossils dating

Utica Shale (1,286 words) [view diff] no match in snippet view article find links to article

The Utica Shale is a stratigraphical unit of Upper Ordovician age in the Appalachian Basin. It underlies much of the northeastern United States and adjacent

Scherr Formation (458 words) [view diff] no match in snippet view article find links to article

The Devonian Scherr Formation is a mapped bedrock unit in Pennsylvania, Maryland, Virginia and West Virginia. The Scherr Formation consists predominantly

Dunkard Group (294 words) [view diff] no match in snippet view article find links to article

The Permian Dunkard Group (Pd) is an area of rock, Early Permian in age, in the south of Ohio, southwestern Pennsylvania, West Virginia and the hilltops

Brallier Formation (348 words) [view diff] no match in snippet view article find links to article

devonian portal The Devonian Brallier Formation is a mapped bedrock unit in Pennsylvania, Maryland, West Virginia, and Virginia. The Brallier Formation

Kinzers Formation (357 words) [view diff] no match in snippet view article find links to article

The Kinzers Formation is a geologic formation in Pennsylvania. It preserves fossils dating back to the Cambrian Period. The base of the Kinzers Formation

Hamilton Group (1,281 words) [view diff] no match in snippet view article find links to article

The Hamilton Group is a Devonian-age geological group which is located in the Appalachian region of the United States. It is present in New York, Pennsylvania

Huntersville Chert (454 words) [view diff] no match in snippet view article find links to article

The Huntersville Chert or Huntersville Formation is a Devonian geologic formation in the Appalachian region of the United States. It is primarily composed

Allegheny Group (1,772 words) [view diff] exact match in snippet view article find links to article

Pennsylvanian Essex Fauna of Illinois. Fieldiana Geology 12:157-169 The Geology of Pennsylvania, C. H. Shultz, ed., DCNR Special Publication 1, 1999. (Ch. 10)

Onondaga Limestone (1,332 words) [view diff] no match in snippet view article find links to article

The Onondaga Limestone is a group of hard limestones and dolomites of Devonian age that forms geographic features in some areas in which it outcrops; in

Chazy Formation (623 words) [view diff] no match in snippet view article find links to article

The Chazy Reef Formation is a mid-Ordovician limestone deposit in northeastern North America. It consists of some of the oldest reef systems built by a

Cussewago Formation (54 words) [view diff] no match in snippet view article find links to article

The Cussewago Formation is a geologic formation in Pennsylvania. It preserves fossils dating back to the Devonian period. Earth sciences portal Pennsylvania

Ridgeley Sandstone (674 words) [view diff] no match in snippet view article find links to article

The Ridgeley sandstone is a sandstone or quartzite of Devonian age found in the Appalachian Mountains of Pennsylvania, Maryland, West Virginia, and Virginia

Warrior Formation (233 words) [view diff] no match in snippet view article find links to article

The Cambrian Warrior Formation is a mapped limestone bedrock unit in Pennsylvania. The Warrior Formation is described by Berg and others as gray, thin-

Kittatinny Formation (545 words) [view diff] no match in snippet view article find links to article

The Ordovician Kittatinny Formation or Kittatinny Limestone is a dolomitic limestone formation in New Jersey. The Kittatinny Limestones are located primarily

New Oxford Formation (592 words) [view diff] no match in snippet view article find links to article

The New Oxford Formation is a mapped bedrock unit consisting primarily of sandstones, conglomerates, and shales. The New Oxford Formation was first described

Gettysburg Formation (746 words) [view diff] exact match in snippet view article find links to article

tectonics—Early Mesozoic—sedimentary rocks, in Shultz, C. H., ed., The geology of Pennsylvania: Pennsylvania Geological Survey, 4th series, Special Publication

Doswell Formation (1,537 words) [view diff] no match in snippet view article find links to article

The Doswell Formation (also known as the Doswell Group) is a geologic unit of Upper Triassic age, part of the Newark Supergroup. The Doswell Formation

Mifflintown Formation (102 words) [view diff] no match in snippet view article find links to article

The Mifflintown Formation is a geologic formation in Maryland, Pennsylvania, and Virginia. It preserves fossils dating back to the Silurian period. The

Wills Mountain (598 words) [view diff] exact match in snippet view article find links to article

/ 39.93983; -78.6517. Van Diver, Bradford B. (1990). Roadside Geology of Pennsylvania. Missoula, Montana: Mountain Press. pp. viii+ 352. United States

Virgilian series (157 words) [view diff] no match in snippet view article find links to article

The Virgilian series is the youngest part of the Pennsylvanian epoch in the North American geologic classification series. During Virgilian times, the

Hardyston Quartzite (541 words) [view diff] no match in snippet view article find links to article

The Cambrian Hardyston Formation or Hardyston Quartzite is a mapped bedrock unit in Pennsylvania and New Jersey. It was originally described by Wolff and

Henry Darwin Rogers (1,251 words) [view diff] exact match in snippet view article find links to article

August 1808 – 26 May 1866) was an American geologist. His book, The Geology of Pennsylvania: A Government Survey (1858), was regarded as one of the most important

Bedford Shale (6,124 words) [view diff] no match in snippet view article find links to article

Devonian portal The Bedford Shale is a shale geologic formation in the states of Ohio, Michigan, Pennsylvania, Kentucky, West Virginia, and Virginia in

Pittsburgh coal seam (2,567 words) [view diff] no match in snippet view article find links to article

The Pittsburgh coal seam is the thickest and most extensive coal bed in the Appalachian Basin; hence, it is the most economically important coal bed in

Ames Limestone (109 words) [view diff] no match in snippet view article find links to article

The Ames Limestone is a geologic formation in Ohio, Kentucky, Pennsylvania and West Virginia. It is part of the Conemaugh Group. Formerly know at "Crinoidal

Hammer Creek Formation (375 words) [view diff] no match in snippet view article find links to article

The Hammer Creek Formation is a mapped bedrock unit consisting primarily of conglomerate, coarse sandstone, and shale. The Hammer Creek Formation was originally

Vintage Dolomite (166 words) [view diff] no match in snippet view article find links to article

The Vintage Dolomite is a geologic formation in Pennsylvania. It preserves fossils dating back to the Cambrian period. Named from exposures at a railroad

Conestoga Formation (60 words) [view diff] no match in snippet view article find links to article

The Conestoga Formation is a geologic formation in Pennsylvania. Light-gray, thin-bedded, impure, contorted limestone having shale partings; conglomeratic

Venango Formation (54 words) [view diff] no match in snippet view article find links to article

The Venango Formation is a geologic formation in Pennsylvania. It preserves fossils dating back to the Devonian period. Earth sciences portal Pennsylvania

Ledger Formation (327 words) [view diff] no match in snippet view article find links to article

The Ledger Formation or Ledger Dolomite is a geologic formation in Pennsylvania, United States. The Ledger is described as light-gray, locally mottled

Conemaugh Formation (54 words) [view diff] no match in snippet view article find links to article

The Conemaugh Formation is a geologic formation in Pennsylvania. It preserves fossils dating back to the Carboniferous period. Earth sciences portal Pennsylvania

Machias Formation (54 words) [view diff] no match in snippet view article find links to article

The Machias Formation is a geologic formation in Pennsylvania. It preserves fossils dating back to the Devonian period. Earth sciences portal Pennsylvania

Pleasant Hill Limestone (55 words) [view diff] no match in snippet view article find links to article

The Pleasant Hill Limestone is a geologic formation in Pennsylvania. It preserves fossils dating back to the Cambrian period. Earth sciences portal Pennsylvania

Rushford Formation (54 words) [view diff] no match in snippet view article find links to article

The Rushford Formation is a geologic formation in Pennsylvania. It preserves fossils dating back to the Devonian period. Earth sciences portal Pennsylvania

Jennings Formation (81 words) [view diff] no match in snippet view article find links to article

The Jennings Formation is a geologic formation in Maryland. It preserves fossils dating back to the Devonian period. Earth sciences portal Maryland portal

Gatesburg Formation (147 words) [view diff] no match in snippet view article find links to article

The Gatesburg Formation is a geologic formation in Pennsylvania. It preserves fossils dating back to the Cambrian period. The formation is described by

Delaware River Formation (59 words) [view diff] no match in snippet view article find links to article

The Delaware River Formation is a geologic formation in Pennsylvania and New York (state). It preserves fossils dating back to the Devonian period. Earth

Lockport Group (260 words) [view diff] no match in snippet view article find links to article

The Lockport Group is a geologic group in the Appalachian Basin and Michigan Basin in the northeastern United States and Canada. This unit makes up the

Mercer Formation (54 words) [view diff] no match in snippet view article find links to article

The Mercer Formation is a geologic formation in Pennsylvania. It preserves fossils dating back to the Carboniferous period. Earth sciences portal Pennsylvania

Duquesne Coal (54 words) [view diff] no match in snippet view article find links to article

The Duquesne Coal is a geologic formation in Pennsylvania. It preserves fossils dating back to the Carboniferous period. Earth sciences portal Pennsylvania

Cuba Formation (92 words) [view diff] no match in snippet view article find links to article

The Cuba Formation is a geologic formation in New York (state) and Pennsylvania[citation needed]. It preserves fossils[citation needed] dating back to

Old Point Formation (55 words) [view diff] no match in snippet view article find links to article

The Old Point Formation is a geologic formation in Pennsylvania. It preserves fossils dating back to the Devonian period. Earth sciences portal Pennsylvania

Oswayo Sandstone (54 words) [view diff] no match in snippet view article find links to article

The Oswayo Sandstone is a geologic formation in Pennsylvania. It preserves fossils dating back to the Devonian period. Earth sciences portal Pennsylvania

Cherry Ridge Shale (55 words) [view diff] no match in snippet view article find links to article

The Cherry Ridge Shale is a geologic formation in Pennsylvania. It preserves fossils dating back to the Devonian period. Earth sciences portal Pennsylvania

Butler Knob (190 words) [view diff] exact match in snippet view article find links to article

Geological Survey of Pennsylvania Charles H. Shultz (1999) "The Geology of Pennsylvania", Geological Survey of Pennsylvania ISBN 0-8182-0227-0 Rothrock

Red Rock Mountain (173 words) [view diff] exact match in snippet view article find links to article

Geological Survey of Pennsylvania Charles H. Shultz (1999) "The Geology of Pennsylvania", Geological Survey of Pennsylvania ISBN 0-8182-0227-0 "Red Rock

Hammersley Wild Area (1,400 words) [view diff] exact match in snippet view article find links to article

Retrieved 2009-05-01. Van Diver, Bradford B. (1990). Roadside Geology of Pennsylvania. Missoula, Montana: Mountain Press Publishing Company. p. 115.

Big Mountain (Pennsylvania) (365 words) [view diff] exact match in snippet view article

Geological Survey of Pennsylvania Charles H. Shultz (1999) "The Geology of Pennsylvania", Geological Survey of Pennsylvania ISBN 0-8182-0227-0 "Tuscarora

Rhinestreet Formation (212 words) [view diff] no match in snippet view article find links to article

The Rhinestreet Shale is a geologic formation in the Appalachian Basin. It dates back to the Devonian period. The Rhinestreet is an organic or Black Shale

Blue Knob (Pennsylvania) (1,088 words) [view diff] exact match in snippet view article

Geological Survey of Pennsylvania Charles H. Shultz (1999) "The Geology of Pennsylvania", Geological Survey of Pennsylvania ISBN 0-8182-0227-0 Jere Martin

Genesee Formation (848 words) [view diff] no match in snippet view article find links to article

The Genesee Formation (Group) is a geologic formation in New York. It is equivalent the Harrell Shale in Pennsylvania. It date back to the Upper Devonian

Little Pine State Park (3,554 words) [view diff] exact match in snippet view article find links to article

p. 167. OCLC 17150333. Van Diver, Bradford B. (1990). Roadside Geology of Pennsylvania. Missoula, Montana: Mountain Press Publishing Company. pp. 31–35

McCauley Mountain (Pennsylvania) (1,276 words) [view diff] exact match in snippet view article

Mountain, retrieved December 12, 2014 Henry Darwin Rogers (1858), The Geology of Pennsylvania: A Government Survey, vol. 2, p. 264 The Pennsylvania Science Office

Glaciated Allegheny Plateau (345 words) [view diff] exact match in snippet view article find links to article

Science Reviews. vol. 5, pp. 183-196. Fleeger, G., nd, Glacial geology of Pennsylvania Bureau of Topographic and Geologic Survey, Pennsylvania Department

Salina Group (1,300 words) [view diff] no match in snippet view article find links to article

The Salina Group or Salina Formation is a Late Silurian-age, Stratigraphic unit of sedimentary rock that is found in Northeastern and Midwestern North

Laurel Hill (Pennsylvania) (917 words) [view diff] exact match in snippet view article

Geological Survey of Pennsylvania Charles H. Shultz (1999) The Geology of Pennsylvania, Geological Survey of Pennsylvania ISBN 0-8182-0227-0 Jere Martin

Knox Supergroup (1,220 words) [view diff] no match in snippet view article find links to article

The Knox Supergroup, also known as the Knox Group and the Knox Formation, is a widespread geologic group in the Southeastern United States. The age is

Upper Pine Bottom State Park (6,086 words) [view diff] exact match in snippet view article find links to article

p. 167. OCLC 17150333. Van Diver, Bradford B. (1990). Roadside Geology of Pennsylvania. Missoula, Montana: Mountain Press Publishing Company. pp. 31–35

Nittany Arch (156 words) [view diff] exact match in snippet view article find links to article

Mountain Nittany Mountain VanDiver, Bradford B. (1990). Roadside geology of Pennsylvania. Missoula, Mont: Mountain Press Pub. Co. p. 235. ISBN 0-87842-227-7

Black Moshannon State Park (7,125 words) [view diff] exact match in snippet view article find links to article

Resources. OCLC 17150333. Van Diver, Bradford B. (1990). Roadside Geology of Pennsylvania. Missoula, Montana: Mountain Press Publishing Company. p. 83. ISBN 0-87842-227-7

Worlds End State Park (7,479 words) [view diff] exact match in snippet view article find links to article

Resources. OCLC 17150333. Van Diver, Bradford B. (1990). Roadside Geology of Pennsylvania. Missoula, Montana: Mountain Press Publishing Company. p. 83. ISBN 0-87842-227-7

Tangascootack Creek (2,739 words) [view diff] exact match in snippet view article find links to article

Pennsylvania. Board of Commissioners (1895), A Summary Description of the Geology of Pennsylvania: pt. 1. Carboniferous formation, p. 2201 Peter Wenrick Sheafer

Ganoga Lake (5,599 words) [view diff] exact match in snippet view article find links to article

Retrieved July 16, 2012. Shultz, Charles H., ed. (1999). The Geology of Pennsylvania. Harrisburg and Pittsburgh, Pennsylvania: Pennsylvania Geological

Cherry Springs State Park (9,011 words) [view diff] exact match in snippet view article find links to article

Retrieved October 20, 2018. Van Diver, Bradford B. (1990). Roadside Geology of Pennsylvania. Missoula, Montana: Mountain Press Publishing Company. p. 115.

Long Run (Cranberry Creek tributary) (518 words) [view diff] exact match in snippet view article

July 25, 1913, Part 10, p. 41 Henry Darwin Rogers (1858), The Geology of Pennsylvania: A Government Survey, Volume 2, p. 235 Geological Survey of Pennsylvania

Leonard Harrison State Park (9,059 words) [view diff] exact match in snippet view article find links to article

36. ISBN 0-9635905-0-2. Van Diver, Bradford B. (1990). Roadside Geology of Pennsylvania. Missoula, Montana: Mountain Press Publishing Company. pp. 31–35

Colton Point State Park (9,588 words) [view diff] exact match in snippet view article find links to article

36. ISBN 0-9635905-0-2. Van Diver, Bradford B. (1990). Roadside Geology of Pennsylvania. Missoula, Montana: Mountain Press Publishing Company. pp. 31–35

Ricketts Glen State Park (11,959 words) [view diff] exact match in snippet view article find links to article

Resources. OCLC 17150333. Shultz, Charles H., ed. (1999). The Geology of Pennsylvania. Harrisburg and Pittsburgh, Pennsylvania: Pennsylvania Geological

Larrys Creek (6,858 words) [view diff] exact match in snippet view article find links to article

Retrieved 2008-02-28. Van Diver, Bradford B. (1990). Roadside Geology of Pennsylvania. Missoula, Montana: Mountain Press Publishing Company. p. 83. ISBN 0-87842-227-7

Waterfalls in Ricketts Glen State Park (6,290 words) [view diff] exact match in snippet view article find links to article

Commission. ISBN 0-271-02213-2. Shultz, Charles H., ed. (1999). The Geology of Pennsylvania. Harrisburg and Pittsburgh, Pennsylvania: Pennsylvania Geological

Furnace Run (Shamokin Creek tributary) (1,109 words) [view diff] exact match in snippet view article

Run, retrieved August 14, 2015 Henry Darwin Rogers (1858), The Geology of Pennsylvania: A Government Survey, Volume 2, p. 296 J.J. John (1891), History

Keyser Creek (2,366 words) [view diff] exact match in snippet view article find links to article

tributaries of the Lackawanna River Henry Darwin Rogers (1858), The Geology of Pennsylvania: A Government Survey, Volume 2, pp. 337, 345 United States Geological

White Oak Run (Lackawanna River tributary) (1,415 words) [view diff] exact match in snippet view article

Retrieved May 18, 2015. Geological Survey of Pennsylvania (1858). The geology of Pennsylvania: a government survey: with a general view of the geology of the

Coal Run (Shamokin Creek tributary) (1,599 words) [view diff] exact match in snippet view article

17, 2015[permanent dead link] Henry Darwin Rogers (1858), The Geology of Pennsylvania: A Government Survey, Volume 2, retrieved August 17, 2015 "ACTIONS

Racket Brook (1,663 words) [view diff] exact match in snippet view article find links to article

Brook, retrieved June 1, 2015 Henry Darwin Rogers (1858), The Geology of Pennsylvania: A Government Survey, Volume 2, p. 331, retrieved June 2, 2015

East Branch Chillisquaque Creek (1,751 words) [view diff] exact match in snippet view article find links to article

Pennsylvania, Board of Commissioners (1892), A Summary Description of the Geology of Pennsylvania: Upper Silurian and Devonian formations, p. [page needed]{{citation}}:

North Branch Shamokin Creek (1,886 words) [view diff] exact match in snippet view article find links to article

Creek, retrieved August 20, 2015 Henry Darwin Rogers (1858), The Geology of Pennsylvania: A Government Survey, Volume 2, pp. 289, 301–302, 305 Eli Bowen

Carbon Run (2,168 words) [view diff] exact match in snippet view article find links to article

7, retrieved August 16, 2015 Henry Darwin Rogers (1858), The Geology of Pennsylvania: A Government Survey, Volume 2, pp. 287, 306, retrieved August

Stafford Meadow Brook (3,084 words) [view diff] exact match in snippet view article find links to article

time", retrieved April 1, 2015 Henry Darwin Rogers (1858), The Geology of Pennsylvania: A Government Survey, Volume 2, pp. 346, 357 Stormwater management

Coal mining in Plymouth, Pennsylvania (8,986 words) [view diff] exact match in snippet view article find links to article

Wilkes-Barre Times Leader, January 27, 1915. Henry Darwin Rogers, The Geology of Pennsylvania, vol. 2 (Philadelphia: J.B. Lippincott & Co., 1858) Lemuel Amerman