• The Ferron Point Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period. Earth sciences portal Michigan...
    2 KB (55 words) - 19:50, 30 June 2025
  • Thumbnail for Munising Formation
    The Munising Group or Formation is a 1,700 feet (520 m) thick, white to light grey Cambrian sedimentary unit that crops out in Michigan and (to a lesser...
    4 KB (245 words) - 19:34, 30 June 2025
  • Ferron (born 1952) is a Canadian singer-songwriter. Ferron may also refer to: Ferron (footballer) (Luiz Antonio Linhares Garcia, born 1985), Brazilian...
    2 KB (219 words) - 20:11, 29 April 2025
  • The Amherstburg Formation is a geologic formation in Ontario, Canada and Michigan, United States. It preserves fossils dating back to the Devonian period...
    2 KB (62 words) - 20:07, 21 June 2025
  • The Manitoulin Dolomite is a geologic formation in Ontario. It preserves fossils dating back to the Silurian period. Earth sciences portal Ontario portal...
    2 KB (54 words) - 16:30, 24 June 2025
  • Thumbnail for Nonesuch Shale
    Nonesuch Shale (category Shale formations of the United States)
    The Nonesuch Shale is a Proterozoic geologic formation that outcrops in Michigan and Wisconsin, United States, but has been found by drill holes to extend...
    5 KB (452 words) - 20:15, 6 June 2025
  • Thumbnail for Trenton Limestone Group
    thin bedded deep water limestone. The formation is composed of thin interbedded wackestone and shale. This formation can be organic rich in parts and sub...
    7 KB (446 words) - 13:49, 16 July 2025
  • The Pointe aux Chenes Formation is a geologic formation in Michigan, USA. It preserves fossils dating back to the Silurian period. Earth sciences portal...
    1 KB (47 words) - 20:41, 30 June 2025
  • The Grand River Formation is a geologic formation in Michigan. It preserves fossils dating back to the Pennsylvanian period. Earth sciences portal Michigan...
    2 KB (53 words) - 19:37, 30 June 2025
  • Ellsworth Shale (category Midwestern United States geologic formation stubs)
    The Ellsworth Shale is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period. Earth sciences portal Michigan portal...
    1 KB (44 words) - 15:38, 1 July 2025
  • Thumbnail for Big Hill Formation
    The Big Hill Formation is a geologic formation in Michigan. It preserves fossils dating back to the Ordovician period. A fossiliferous site on the Stonington...
    8 KB (474 words) - 06:53, 28 July 2025
  • The Byron Formation is a geologic formation in Michigan and Wisconsin. It preserves fossils dating back to the Silurian period. Earth sciences portal...
    2 KB (58 words) - 11:30, 11 July 2025
  • Thumbnail for Antrim Shale
    Antrim Shale (category Geologic formations of Michigan)
    in places a fine-grained sandstone at the base. The formation is called the Kettle Point Formation in Ontario, and is the stratigraphic equivalent of the...
    6 KB (585 words) - 19:46, 30 June 2025
  • The Stonington Formation is a geologic formation in Michigan. It preserves fossils dating back to the Ordovician period. Earth sciences portal Michigan...
    2 KB (51 words) - 20:27, 30 June 2025
  • Thumbnail for Pewamo Formation
    The Pewamo Formation or Pewamo Sandstone is a geologic formation in the Michigan Basin of central Michigan. It is mostly red quartz arenite sandstone...
    5 KB (423 words) - 06:43, 21 July 2025
  • The Rogers City Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period. Earth sciences portal Michigan...
    1 KB (45 words) - 11:29, 11 July 2025
  • The Alpena Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period. Earth sciences portal Michigan portal...
    1 KB (44 words) - 19:43, 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 Marshall Sandstone
    Marshall Sandstone (category Midwestern United States geologic formation stubs)
    The Marshall Sandstone is a geologic formation in Michigan. It preserves fossils dating back to the Mississippian period. John Alroy (ed.). "Fossilworks:...
    2 KB (34 words) - 15:40, 1 July 2025
  • The Schoolcraft Formation is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period. Earth sciences portal Michigan...
    1 KB (44 words) - 20:46, 30 June 2025
  • Put-in-Bay Dolomite (category Midwestern United States geologic formation stubs)
    The Put-in-Bay Dolomite is a geologic formation in Michigan and Ohio. It preserves fossils dating back to the Silurian period. The type locality is South...
    2 KB (62 words) - 20:43, 30 June 2025
  • Anderdon Limestone (category Midwestern United States geologic formation stubs)
    The Anderdon Limestone is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period. Earth sciences portal Michigan portal...
    1 KB (44 words) - 19:44, 30 June 2025
  • The Collingwood Formation is a geologic formation in Michigan. It preserves fossils dating back to the Ordovician period. Earth sciences portal Michigan...
    2 KB (51 words) - 20:20, 30 June 2025
  • Thumbnail for Munising Group
    The Munising Group or Formation is a 1,700 feet (520 m) thick, white to light grey Cambrian sedimentary unit that crops out in Michigan and (to a lesser...
    10 KB (853 words) - 23:46, 29 June 2025
  • Thumbnail for Au Train Formation
    The Au Train Formation is a geologic formation in Michigan. It preserves fossils dating back to the Ordovician period. Earth sciences portal Michigan...
    2 KB (67 words) - 20:06, 30 June 2025
  • The Cordell Formation is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period. "Michigan Basin Stratigraphy on ResearchGate"...
    2 KB (56 words) - 20:36, 30 June 2025
  • Bayport Limestone (category Midwestern United States geologic formation stubs)
    The Bayport Limestone is a geologic formation in Michigan. It preserves fossils dating back to the Mississippian period. Earth sciences portal Michigan...
    1 KB (44 words) - 15:39, 1 July 2025
  • Thumbnail for Jacobsville Sandstone
    Jacobsville Sandstone is a red sandstone formation, marked with light-colored streaks and spots, primarily found in northern Upper Michigan, portions...
    44 KB (4,137 words) - 20:25, 20 June 2025
  • The Bois Blanc Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period. Earth sciences portal Michigan...
    2 KB (48 words) - 19:49, 30 June 2025
  • Thumbnail for Dunkleosteus
    by Ferrón et al. (2017) unreliable. Upper jaw perimeter overestimates the size of complete arthrodires like Coccosteus and the estimates of Ferrón et...
    52 KB (4,609 words) - 15:40, 21 July 2025