• The Genesee Formation (Group) is a geologic formation in New York. It is equivalent the Harrell Shale in Pennsylvania. It dates back to the Upper Devonian...
    8 KB (848 words) - 22:13, 4 June 2025
  • Thumbnail for Genesee River
    The Genesee River (/ˌdʒɛnɪˈsiː/ JEH-nih-SEE) is a tributary of Lake Ontario flowing northward through the Twin Tiers of Pennsylvania and New York in the...
    18 KB (1,768 words) - 20:48, 12 April 2025
  • 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 (10,686 words) - 17:52, 5 June 2025
  • Thumbnail for Genesee County, Michigan
    Genesee County (/ˈdʒɛnəsi/ JEN-ə-see) is a county in the U.S. state of Michigan. As of the 2020 Census, the population was 406,211, making it the fifth-most...
    47 KB (3,647 words) - 09:33, 27 June 2025
  • Thumbnail for Onondaga Limestone
    valley, the Genesee River valley near Avon, New York, and at Port Colborne, Ontario, where the old valley forms a harbor on Lake Erie. The formation is broken...
    13 KB (1,324 words) - 12:03, 8 June 2025
  • is a geologic formation in with exposures in Kentucky, Tennessee and West Virginia. It dates back to the Ordovician period. This formation rests unconformably...
    4 KB (340 words) - 21:00, 26 June 2025
  • Thumbnail for Knox Supergroup
    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...
    15 KB (1,189 words) - 19:05, 4 June 2025
  • Thumbnail for Genesee Brewing Company
    Genesee Brewing Company (/ˈdʒɛnəsi/ JEN-ə-see) is an American brewery located along the Genesee River in Rochester, New York. From 2000 to 2009, the company...
    21 KB (2,082 words) - 13:41, 14 April 2025
  • The Kanawha Formation is a geologic formation in West Virginia. It preserves fossils dating back to the Carboniferous period. Earth sciences portal Paleontology...
    2 KB (62 words) - 23:55, 29 June 2025
  • Thumbnail for Tully Formation
    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...
    4 KB (300 words) - 20:20, 1 July 2025
  • Burket Shale (category Shale formations of the United States)
    southwestern Pennsylvania. In 1920, C. H. Chadwick described the Genesee and Geneseo formations in New York. The usage of the different names is just a matter...
    3 KB (227 words) - 22:51, 30 June 2025
  • Thumbnail for West Falls Group
    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...
    6 KB (459 words) - 20:12, 4 June 2025
  • Thumbnail for St. Peter Sandstone
    The St. Peter Sandstone is an Ordovician geological formation. It belongs to the Chazyan stage of the Champlainian series in North American regional stratigraphy...
    7 KB (593 words) - 22:17, 1 June 2025
  • Thumbnail for Monongahela Formation
    The Monongahela Formation is a geologic formation in West Virginia, Pennsylvania, Ohio, and Maryland. It is dated to the Carboniferous period. The top...
    4 KB (154 words) - 22:25, 3 June 2025
  • Thumbnail for Salina Group
    The Salina Group or Salina Formation is a Late Silurian-age, stratigraphic unit of sedimentary rock that is found in Northeastern and Midwestern North...
    14 KB (1,300 words) - 20:45, 30 June 2025
  • Bertie Limestone, also referred to as the Bertie Dolomite and the Bertie Formation, is an upper Silurian (Pridoli, or Cayugan) geologic group and Lagerstätte...
    33 KB (1,902 words) - 20:13, 21 June 2025
  • Thumbnail for Niagara Escarpment
    Lake Ontario, Lake Huron, and Lake Michigan. In Rochester, New York, the Genesee River flows through the city in three waterfalls over the scarp face. The...
    16 KB (1,782 words) - 04:54, 15 June 2025
  • Thumbnail for Ludlowville Formation
    The Ludlowville Formation is a geologic formation in New York, Ohio and Pennsylvania. It dates to the Devonian period. The Owasco is a thin distinct silty...
    5 KB (386 words) - 21:05, 2 July 2025
  • Thumbnail for Black River Group
    areas where this Geologic Unit thins it is also called the Black River Formation (undifferentiated). One example of this is over the Cincinnati Arch and...
    10 KB (779 words) - 20:19, 30 June 2025
  • The Swift Run Formation is a geologic formation in Virginia and West Virginia. It dates back to the Neoproterozoic. Earth sciences portal Virginia portal...
    1 KB (35 words) - 18:46, 6 March 2024
  • Thumbnail for B. T. Roberts
    B. T. Roberts (category People from Genesee County, New York)
    bishop. He first trained as an attorney, then entered the ministry in the Genesee Conference of the Methodist Episcopal Church of New York State. His ministerial...
    11 KB (1,597 words) - 19:18, 24 January 2025
  • Thumbnail for Le Roy, New York
    Le Roy, or more commonly LeRoy, is a town in Genesee County, New York, United States. The population was 7,662 at the time of the 2020 census. The town...
    17 KB (1,530 words) - 09:03, 30 June 2025
  • Thumbnail for Conemaugh Group
    Conemaugh Group (category Southern United States geologic formation stubs)
    Shale Brallier Formation Frasnian Brallier Formation Java Formation West Falls Formation Rhinestreet Sonyea Formation Harrell Shale Genesee Formation...
    2 KB (58 words) - 21:59, 2 June 2025
  • Thumbnail for Foreknobs Formation
    Devonian Foreknobs Formation is a mapped bedrock unit in Pennsylvania, Maryland, Virginia, and West Virginia. The Foreknobs Formation contains massive sandstones;...
    5 KB (379 words) - 19:04, 20 June 2025
  • Thumbnail for Utica Shale
    Utica Shale (category Shale formations of Canada)
    Shale Brallier Formation Frasnian Brallier Formation Java Formation West Falls Formation Rhinestreet Sonyea Formation Harrell Shale Genesee Formation...
    14 KB (1,305 words) - 17:36, 1 July 2025
  • Thumbnail for Martinsburg Formation
    The Ordovician Martinsburg Formation (Om) is a mapped bedrock unit in Pennsylvania, New Jersey, Maryland, Virginia, and West Virginia. It is named for...
    5 KB (516 words) - 20:22, 1 July 2025
  • Sandstone is a sandstone geologic formation in West Virginia, Virginia, Pennsylvania, and Maryland. The formation includes the Cedar Creek Limestone...
    2 KB (92 words) - 20:38, 1 July 2025
  • The Elbrook Formation is a geologic formation in West Virginia, Maryland, and Pennsylvania. It dates back to the Cambrian period. Fossils of trilobite...
    2 KB (68 words) - 19:41, 1 July 2025
  • Thumbnail for Allegheny Group
    The Allegheny Group, often termed the Allegheny Formation, is a Pennsylvanian-age geological unit in the Appalachian Plateau. It is a major coal-bearing...
    24 KB (1,861 words) - 22:49, 19 June 2025
  • The Silurian McKenzie Formation is a mapped bedrock unit in Maryland. The McKenzie Formation is a gray, thin-bedded shale and argillaceous limestone, with...
    2 KB (103 words) - 06:56, 20 June 2021