• Thumbnail for Bedford Shale
    The Bedford Shale is a shale geologic formation in the states of Ohio, Michigan, Pennsylvania, Kentucky, West Virginia, and Virginia in the United States...
    49 KB (6,124 words) - 19:53, 25 May 2024
  • Thumbnail for Cleveland Shale
    (46 m) of Bedford Shale may lie above the Cleveland Shale. In places, red and grey shale may intertongue (interlock) with the Cleveland Shale extensively...
    46 KB (3,806 words) - 06:50, 18 November 2024
  • Thumbnail for Berea Sandstone
    from each other. The sandstone overlies the Bedford Shale and the Ohio Shale and underlies the Sunbury Shale. Berea Sandstone is light gray to buff-colored...
    11 KB (1,065 words) - 13:39, 13 October 2023
  • Thumbnail for Chagrin River
    Along its banks and tributaries, Berea sandstone, Bedford shale, Cleveland Shale, and Chagrin Shale bedrock are exposed in layers. The river itself was...
    11 KB (1,019 words) - 18:21, 26 October 2024
  • Thumbnail for Cuyahoga Valley National Park
    and the Bedford Shale were deposited in a river delta environment in the Lower Mississippian. River channels were incised into the Bedford Shale and subsequently...
    69 KB (5,764 words) - 14:05, 4 October 2024
  • Thumbnail for Knox Supergroup
    Facies-defining cycles are divided into grainy carbonate, muddy carbonate, sandstone, shale, and Stromatolitic–Algal mat Boundstones. Stromatolite reefs are a common...
    15 KB (1,191 words) - 15:18, 30 August 2024
  • Thumbnail for Marcellus Formation
    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...
    102 KB (10,675 words) - 20:04, 18 November 2024
  • Thumbnail for Berea, Ohio
    25 November 2015 deWitt, Wallace, Jr., Age of the Bedford Shale, Berea Sandstone, and Simbury Shale in the Appalachian and Michigan Basins, Pennsylvania...
    26 KB (2,792 words) - 01:05, 19 October 2024
  • (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...
    7 KB (848 words) - 16:02, 4 November 2024
  • Thumbnail for Chagrin Shale
    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...
    10 KB (1,003 words) - 06:45, 18 November 2024
  • Thumbnail for West Falls Group
    West Falls Group (redirect from Hatch Shale)
    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...
    6 KB (459 words) - 18:52, 25 May 2024
  • 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...
    3 KB (212 words) - 20:03, 25 May 2024
  • Thumbnail for Onondaga Limestone
    Famennian Bedford Shale Berea Sandstone Cussewago Sandstone Ohio Shale Cleveland Shale Chagrin Shale Huron Shale) Frasnian Burket Shale Olentangy Shale (upper)...
    13 KB (1,332 words) - 20:08, 18 November 2024
  • Thumbnail for Salina Group
    of the Salina. The Salina Formation is composed chiefly of dolomite and shale, interbedded with anhydrite, gypsum, and salt. Stratigraphically, the Salina...
    14 KB (1,300 words) - 01:07, 7 March 2024
  • are the New Creek Limestone, the Corriganville Limestone, and the Mandata Shale. The total thickness is about 60 feet. The formations weather easily and...
    5 KB (445 words) - 12:09, 24 June 2024
  • The Middlesex Formation is a carbon rich black shale geologic formation found in the Appalachian Basin. It represents one of several transgressive events...
    4 KB (251 words) - 09:47, 15 October 2024
  • Thumbnail for Ohio Shale
    The Ohio Shale is a geologic formation in Ohio. It preserves fossils dating back to the Devonian period. Earth sciences portal Ohio portal Paleontology...
    2 KB (51 words) - 08:19, 18 November 2024
  • Geologic Map Database. The formation comprises dolomites, limestones and shales and reaches a thickness of 495 feet (151 m) in the subsurface, while in...
    33 KB (1,902 words) - 15:55, 18 November 2024
  • Thumbnail for Waverly Group
    period. The groups consists of the following formations: Bedford Shale Berea Sandstone Sunbury Shale Cuyahoga Formation Logan Formation Maxville Limestone...
    2 KB (129 words) - 09:18, 18 November 2024
  • Gildersleeve Mountain. Bedford shale is a sand shale and is characterized by its roughly 90° cleavage pattern. Pieces of Bedford shale can look as if they...
    19 KB (2,917 words) - 17:40, 22 January 2023
  • Thumbnail for Antrim Shale
    stratigraphic equivalent of the New Albany Shale in the Illinois Basin. It is overlain by the Bedford Shale, and underlain in some areas by the Jordan...
    6 KB (585 words) - 07:15, 10 November 2022
  • Thumbnail for Ludlowville Formation
    Famennian Bedford Shale Berea Sandstone Cussewago Sandstone Ohio Shale Cleveland Shale Chagrin Shale Huron Shale) Frasnian Burket Shale Olentangy Shale (upper)...
    5 KB (386 words) - 17:30, 26 January 2024
  • The Bill's Creek Shale is a geologic formation in Michigan. It preserves fossils dating back to the Ordovician period. Earth sciences portal Michigan...
    1 KB (45 words) - 06:32, 18 November 2024
  • Thumbnail for Trenton Group
    Famennian Bedford Shale Berea Sandstone Cussewago Sandstone Ohio Shale Cleveland Shale Chagrin Shale Huron Shale) Frasnian Burket Shale Olentangy Shale (upper)...
    3 KB (137 words) - 09:10, 18 November 2024
  • 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...
    3 KB (223 words) - 22:04, 18 August 2024
  • Thumbnail for Monongahela Formation
    Famennian Bedford Shale Berea Sandstone Cussewago Sandstone Ohio Shale Cleveland Shale Chagrin Shale Huron Shale) Frasnian Burket Shale Olentangy Shale (upper)...
    3 KB (154 words) - 23:53, 22 February 2024
  • Thumbnail for Bedford Township, Pennsylvania
    Bedford Township is a township in Bedford County, Pennsylvania, United States. The population was 5,103 at the 2020 census. The Bedford Village Archeological...
    10 KB (856 words) - 23:45, 12 October 2024
  • Thumbnail for Tully Formation
    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...
    4 KB (300 words) - 03:14, 21 February 2024
  • The Coldwater Shale is a geologic formation in Michigan. It preserves fossils dating back to the Mississippian period. v t e...
    1 KB (21 words) - 18:51, 6 March 2024
  • The Devonian Needmore Formation or Needmore Shale is a mapped bedrock unit in Pennsylvania, Maryland, Virginia, and West Virginia. The Needmore Formation...
    3 KB (225 words) - 15:56, 1 February 2024