WillsCreekFormation is a mapped Silurian bedrock unit in Pennsylvania, Maryland, Virginia, and West Virginia. The WillsCreek is defined as a moderately...
and the brittle is above. Synclinal fold in Silurian WillsCreekFormation or Bloomsburg Formation at Roundtop Hill (Maryland) East wall of Bear Valley...
the Bloomsburg and Mifflintown Formation, the WillsCreekFormation, the Hamilton Group, and the Trimmers Rock Formation. Soil series in the watershed...
Tuscarora Formation forms a clear anticline in Wills Mountain at Cumberland Narrows, Maryland Anticline in WillsCreek or Bloomsburg Formation at Roundtop...
(2008). "Nowakia (dacryoconarida) In The Halihan Hill Bed (oatka CreekFormation, New York)". Geological Society of America. Archived from the original...
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...
Keyser limestone. Cumberland Quarry - Located in the WillsCreekFormation on the south side of WillsCreek, opposite Valley Street in Cumberland. There are...
the west, the WillsCreekFormation lies conformably atop the Bloomsburg. Further west, the McKenzie Member of the Mifflintown Formation interfingers with...
Uppermost 20 m contains a variety of limestones. Lower contact with the WillsCreek is probably conformable. Upper contact is conformable and undulatory...
The Wells CreekFormation is a geologic formation in West Virginia. It dates back to the Ordovician period. Earth sciences portal Paleontology portal...
Bloomsburg/Mifflinburg Formation, the Clinton Group, the Hamilton Group, the Onondaga/Old Port Formation, the Trimmers Rock Formation, and the WillsCreekFormation. Five...
the Portage Group. The West Falls formation is bounded above by the Java Formation and below by the Sonyea Formation. It comprises the Angola Shale and...
it outcrops; in others, especially its Southern Ontario portion, the formation can be less prominent as a local surface feature.[citation needed] In...
The Tully Formation is a geologic unit in the Appalachian Basin. The Tully was deposited as a carbonate rich mud, in a shallow sea at the end of the Middle...
Kase Run is of several rock formations, including the WillsCreekFormation, the Trimmers Rock Formation, the Catskill Formation, the Hamilton Group, and...
The Monongahela Formation is a geologic formation in West Virginia, Pennsylvania, Ohio, and Maryland. It is dated to the Carboniferous period. The top...
the Liston Creek Member, Kenneth Limestone Member, Kokomo Limestone Member and the Misslssinewa Shale member. The Pleasant Mills Formation is made up...
apfeli from the Syracuse and Vernon Formations of New York and Ontario and W. cumberlandicus from the WillsCreekFormation, West Virginia. Fossils of the...
is a sandstone geologic formation in West Virginia, Virginia, Pennsylvania, and Maryland. The formation includes the Cedar Creek Limestone member. Near...
The Ordovician Martinsburg Formation (Om) is a mapped bedrock unit in Pennsylvania, New Jersey, Maryland, Virginia, and West Virginia. It is named for...
York, as it was first described as an outcrop along the Starch Factory Creek east of the city by Ebenezer Emmons in 1842. The Utica Shale is composed...
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...