Silurian Bloomsburg Formation is a mapped bedrock unit in Pennsylvania, New Jersey, New York and Maryland. It is named for the town of Bloomsburg, Pennsylvania...
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plantation estate in South Boston, Virginia, US Bloomsburg University of Pennsylvania Bloomsburg Formation, a bedrock unit in the eastern United States Bloomberg...
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brittle is above. Synclinal fold in Silurian Wills Creek Formation or Bloomsburg Formation at Roundtop Hill (Maryland) East wall of Bear Valley Strip...
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The Marcellus Formation or the Marcellus Shale is a Middle Devonian age unit of sedimentary rock found in eastern North America. Named for a distinctive...
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Anticline (section Formation processes)
Tuscarora Formation forms a clear anticline in Wills Mountain at Cumberland Narrows, Maryland Anticline in Wills Creek or Bloomsburg Formation at Roundtop...
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overlying formations are either Silurian or Devonian in age, and include (in ascending order) the Clinton Group, the Bloomsburg Formation, the Mifflintown...
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It rests unconformably above the Martinsburg Formation and conformably below the Bloomsburg Formation. The hardness of the quartzite and conglomerate...
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Shawangunk Formation, a silica-cemented combination of quartz arenite and quartz-pebble conglomerate; and the Bloomsburg Formation (known as the "Bloomsburg Red...
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Clinton Group (redirect from Keefer Formation)
conformably atop the Tuscarora Formation and conformably below the Lower and Upper Silurian Lockport Group and Bloomsburg Formation. Brett, C.E.; Baarli, B.G...
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Montour County, Pennsylvania (category Bloomsburg–Berwick metropolitan area)
Wills Creek formation, the Tonoloway Formation, the Bloomsburg Formation, the Tuscarora Formation, the Clinton Group, and the McKenzie Formation. There are...
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Salina Group (redirect from Wabash Formation)
northeast Pennsylvania it overlies the Bloomsburg Formation. It also underlies the Helderberg Group. Being a thick formation, the Salina has subunits, as well...
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Tuscarora Sandstone (redirect from Tuscarora Formation)
The Silurian Tuscarora Formation — also known as Tuscarora Sandstone or Tuscarora Quartzite — is a mapped bedrock unit in Pennsylvania, Maryland, West...
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Trenton Group (redirect from Trenton Formation)
Ludfordian Bloomsburg Formation Keefer Sandstone McKenzie Formation Gorstian Bloomsburg Formation Keefer Sandstone Lockport Dolomite...
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Hamilton Group (redirect from Hamilton Formation)
shale with some sandstone. There are two main formations encompassed by the group: the Mahantango Formation and the Marcellus Shale. In southwestern Virginia...
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The Ordovician Martinsburg Formation (Om) is a mapped bedrock unit in Pennsylvania, New Jersey, Maryland, Virginia, and West Virginia. It is named for...
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The Bluefield Formation is a geologic formation in West Virginia. It preserves fossils dating back to the Mississippian subperiod of the Carboniferous...
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The Mifflintown Formation is a geologic formation in Maryland, Pennsylvania, and Virginia. It preserves fossils dating back to the Silurian period. The...
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The Rome Formation is a geologic formation in Alabama, Georgia, and Tennessee. It preserves fossils dating back to the Cambrian period. Earth sciences...
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Strother, P.K. (1988). "New Species of Nematothallus from the Silurian Bloomsburg Formation of Pennsylvania". Journal of Paleontology. 62 (6): 967–982. Bibcode:1988JPal...
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The Swift Run Formation is a geologic formation in Virginia and West Virginia. It dates back to the Neoproterozoic. Earth sciences portal Virginia portal...
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The Schoharie Formation is a Devonian formation found in outcrop in New York, New Jersey, Pennsylvania, and Virginia. Also known as the "Schoharie Grit"...
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The Hinton Formation is a geologic formation in West Virginia. It preserves fossils dating back to the Carboniferous period. It is mainly made up of limestone...
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The Conasauga Formation is a geologic formation in Georgia. It preserves fossils dating back to the Cambrian period. Earth sciences portal Paleontology...
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The Maccrady Formation is a geologic formation in West Virginia. It preserves fossils dating back to the Carboniferous period. Earth sciences portal Paleontology...
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The Oswego Formation is a geologic formation in West Virginia. It dates back to the Ordovician period. Earth sciences portal Paleontology portal Paleozoic...
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Geology of Pennsylvania (section Rock formations)
climate. These sediments grade into finer reddish sands and silts, (Bloomsburg Formation) as the source area became more distant and/or less productive. The...
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The Rockdale Run Formation is a geologic formation in Maryland, Pennsylvania, Virginia and West Virginia. It preserves fossils dating back to the Ordovician...
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The Elbrook Formation is a geologic formation in West Virginia, Maryland, and Pennsylvania. It dates back to the Cambrian period. Fossils of trilobite...
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Pennsylvania. The rocks are listed in stratigraphic order. Note: Some of the Formations are laterally equivalent in age. They are listed in order from West to...
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The Hampton Formation is a geologic formation in Iowa. It preserves fossils dating back to the Carboniferous period. Earth sciences portal Iowa portal...
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