The Cashaqua Shale is a geologic formation in New York. It preserves fossils dating back to the Devonian period. The Cashaqua shale underlies the Rhinestreet...

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

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 found...

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...

is shale. The Rhinestreet Member can be further subdivided into two shale types: a thick, fissile black shale underlies a gray to greenish-gray shale that...

are the New Creek Limestone, the Corriganville Limestone, and the Mandata Shale. The total thickness is about 60 feet. The formations weather easily and...

The Burket Shale or Geneseo Shale is the lowest member of the Harrell Shale/Genessee Group. The Burket is an organic-rich black shale that rests just above...

are also layers with much higher clay contend resulting in a calcareous shale. To the east the Tully becomes siliciclastic. This is due to sediments being...

Rhinestreet Shale Sonyea Group Cashaqua Shale Middlesex Shale Genesee Group / Harrell Shale West River Shale Penn Yan Formation Burket Shale / Geneseo Shale...

69 (4): 909–925. doi:10.2110/jsr.69.909. ISSN 1527-1404. "Cashaqua and Middlesex Shales". USGS. Retrieved 2015-09-17. Bergin, M. J. (1964). "Bedrock...

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

Rhinestreet Shale Sonyea Group Cashaqua Shale Middlesex Shale Genesee Group / Harrell Shale West River Shale Penn Yan Formation Burket Shale / Geneseo Shale...

into the Cashaqua Shale at the top, and the Middlesex Shale at the bottom. In the east, various shale formations are included between the Cashaqua and Middlesex...

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

Rhinestreet Shale Sonyea Group Cashaqua Shale Middlesex Shale Genesee Group / Harrell Shale West River Shale Penn Yan Formation Burket Shale / Geneseo Shale...

of the Salina. The Salina Formation is composed chiefly of dolomite and shale, interbedded with anhydrite, gypsum, and salt. Stratigraphically, the Salina...

Rhinestreet Shale Sonyea Group Cashaqua Shale Middlesex Shale Genesee Group / Harrell Shale West River Shale Penn Yan Formation Burket Shale / Geneseo Shale...

Facies-defining cycles are divided into grainy carbonate, muddy carbonate, sandstone, shale, and Stromatolitic–Algal mat Boundstones. Stromatolite reefs are a common...

Formation Unit of Sonyea Group Underlies Cashaqua Shale Overlies Pulteney shale Lithology Primary Siltstone Other Shale Location Region  New York Country  United...

Chagrin Shale is a shale geologic formation in the eastern United States that is approximately 365 million years old. The Chagrin Shale is a gray shale that...

|journal= (help) Depositional environments in the Catskill Clastic Wedge Devonian Times Website summarize about Red Hill Shale in Catskill Formation...

Rhinestreet Shale Sonyea Group Cashaqua Shale Middlesex Shale Genesee Group / Harrell Shale West River Shale Penn Yan Formation Burket Shale / Geneseo Shale...

Rhinestreet Shale Sonyea Group Cashaqua Shale Middlesex Shale Genesee Group / Harrell Shale West River Shale Penn Yan Formation Burket Shale / Geneseo Shale...

States. The Lock Haven is gray to green-brown sandstone, siltstone, and shale and is over 400 million years old. It is located in northcentral Pennsylvania...

period. The formation comprises the Pipe Creek Shale, Wiscoy Sandstone Member in New York, and Hanover Shale Member except in Tennessee. Paleontology portal...

Monongahela Group. The Conemaugh Group consists of cyclic sequences of shale, siltstone, sandstone, red beds, thin impure limestone, and thin nonpersistent...

Cambrian Period. The base of the Kinzers Formation is primarily a dark-brown shale. The middle is a gray and white spotted limestone and, locally, marble having...

Rhinestreet Shale Sonyea Group Cashaqua Shale Middlesex Shale Genesee Group / Harrell Shale West River Shale Penn Yan Formation Burket Shale / Geneseo Shale...

unconformity. The Huntersville Chert is laterally equivalent to the Needmore Shale, which lies north of the New River. It is also laterally equivalent to a...

of marine shale with some sandstone. There are two main formations encompassed by the group: the Mahantango Formation and the Marcellus Shale. In southwestern...