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Geologic formation in Michigan
The Lucas Formation is a geologic formation in U.S. states of Michigan and Ohio. It preserves fossils dating back to the middle Devonian period. McCall
Lucas_Formation
Geologic formation in Mexico
The San Lucas Formation is a geologic formation in Mexico. It preserves fossils dating back to the Cretaceous period. List of fossiliferous stratigraphic
San_Lucas_Formation
Natural arch in Mexico
The arch of Cabo San Lucas is a distinctive granitic rock formation at the southern tip of Cabo San Lucas, which is itself the extreme southern end of
Arch_of_Cabo_San_Lucas
Geologic formation in Michigan
The Bush Bay Formation is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period. Earth sciences portal Michigan portal
Bush_Bay_Formation
Geologic formation in Michigan and Ontario
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
Munising_Formation
Geologic formation in Ontario, Canada and Michigan, USA
The Amherstburg Formation is a geologic formation in Ontario, Canada and Michigan, United States. It preserves fossils dating back to the Devonian period
Amherstburg_Formation
Geologic formation in Michigan, United States
The Pewamo Formation or Pewamo Sandstone is a geologic formation in the Michigan Basin of central Michigan. It is mostly red quartz arenite sandstone
Pewamo_Formation
Geological formation in Michigan, USA
The Schoolcraft Formation is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period. Earth sciences portal Michigan
Schoolcraft_Formation
Geologic formation in Michigan and Wisconsin, United States
The Byron Formation is a geologic formation in Michigan and Wisconsin. It preserves fossils dating back to the Silurian period. Earth sciences portal
Byron_Formation
Geological formation in the western US
raised to group rank by Lucas in 1993, thus also raising many of the members to formation status. He also included the formations of the Dockum Group of
Chinle_Formation
Geologic formation in Michigan
The Stonington Formation is a geologic formation in Michigan. It preserves fossils dating back to the Ordovician period. Earth sciences portal Michigan
Stonington_Formation
Geologic formation in Michigan
The Rockview Formation is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period. Earth sciences portal Michigan portal
Rockview_Formation
Geologic formation in Michigan
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
Big_Hill_Formation
Geologic formation in Michigan
The Hendricks Formation is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period. Earth sciences portal Michigan portal
Hendricks_Formation
Geologic formation in Michigan and Wisconsin
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
Nonesuch_Shale
Geologic formation in Michigan
The Pointe aux Chenes Formation is a geologic formation in Michigan, USA. It preserves fossils dating back to the Silurian period. Earth sciences portal
Pointe_aux_Chenes_Formation
Geologic formation in North America
Jacobsville Sandstone is a red sandstone formation, marked with lightly-colored streaks and spots, primarily found in northern Upper Michigan, portions
Jacobsville_Sandstone
Geologic formation in Ontario
The Manitoulin Dolomite is a geologic formation in Ontario. It preserves fossils dating back to the Silurian period. Earth sciences portal Ontario portal
Manitoulin_Dolomite
Geologic formation in Michigan, United States
The Saginaw Formation is a geologic formation in Michigan. It preserves fossils dating back to the Pennsylvanian period. Earth sciences portal Michigan
Saginaw_Formation
Geologic formation in Michigan, United States
The Au Train Formation is a geologic formation in Michigan. It preserves fossils dating back to the Ordovician period. Earth sciences portal Michigan
Au_Train_Formation
Geological formation in New Mexico and Colorado, United States
Jasinski SE, Lucas SG (2022). "A new chasmosaurine ceratopsid from the Upper Cretaceous (Campanian) Farmington Member of the Kirtland Formation, New Mexico"
Kirtland_Formation
Geological formation in New Mexico and Texas, US
the "upper shale member" of the Chinle Formation. Lucas & Hunt (1989) introduced the name "Bull Canyon Formation" for these exposures, referring to an
Bull_Canyon_Formation
Geologic formation in Michigan and Ontario
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
Munising_Group
This is a list of stratigraphic units (groups, formations and members), containing fossils and pertaining to the North American country of Mexico. Paleontology
List of fossiliferous stratigraphic units in Mexico
List_of_fossiliferous_stratigraphic_units_in_Mexico
The Freda Sandstone is a geologic formation in Michigan. It dates back to the Proterozoic. Lithologically, the Freda Sandstone is a lithic, red-brown
Freda_Sandstone
Large Geologic 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
Salina_Group
A rock formation is an isolated, scenic, or spectacular surface rock outcrop. Rock formations are usually the result of weathering and erosion sculpting
List_of_rock_formations
Widespread shallow marine limestone
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
Trenton_Group
Geologic formation in Michigan
The Cordell Formation is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period. "Michigan Basin Stratigraphy on ResearchGate"
Cordell_Formation
Geologic formation in Michigan
The Alpena Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period. Earth sciences portal Michigan portal
Alpena_Limestone
Geologic formation in the southwestern United States
areal limits set by Lucas and Hunt in 1989. In 1991 areal limits were set again by Lucas and Hayden. An overview was completed by Lucas in 1991, Sprinkel
Moenkopi_Formation
Geologic formation in Michigan, United States
The Rogers City Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period. Earth sciences portal Michigan
Rogers_City_Limestone
Geologic formation in Michigan, United States
The Raisin River Dolomite is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period. Earth sciences portal Michigan
Raisin_River_Dolomite
City in Baja California Sur, Mexico
destinations, Cabo San Lucas is known for its beaches, scuba diving locations, Balnearios, the sea arch El Arco de Cabo San Lucas, and marine life. The
Cabo_San_Lucas
Chemical reagent used to differentiate 1°, 2°, 3° Alcohols
chromatographic methods of analysis. It was named after Howard Lucas (1885–1963). The Lucas test in alcohols is a test to differentiate between primary,
Lucas'_reagent
Geologic formation in Michigan
The Collingwood Formation is a geologic formation in Michigan. It preserves fossils dating back to the Ordovician period. Earth sciences portal Michigan
Collingwood_Shale
Copper Harbor Conglomerate is a geologic formation in Michigan. It is part of the larger Oronto Group and its formation dates to the Stenian period of the Proterozoic
Copper_Harbor_Conglomerate
Geologic formation in New Mexico, USA
Stotelmeyer & Williams 1979. Lucas et al. 1989. Lucas et al. 2019. Bushnell, H.P. (1955). "Stratigraphy of the McRae formation, Sierra County, New Mexico"
McRae_Group
French footballer (born 1993)
media related to Lucas Digne. Profile at the Aston Villa F.C. website Lucas Digne at the French Football Federation (in French) Lucas Digne – UEFA competition
Lucas_Digne
Geologic formation in Michigan, United States
The Long Lake Limestone is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period. Earth sciences portal Michigan portal
Long_Lake_Limestone
French footballer (born 1996)
"Lucas Hernandez". Paris Saint-Germain FC. Retrieved 26 August 2025. "Equipe de France – Lucas Hernandez: "Une année incroyable"" [French team – Lucas
Lucas_Hernandez
Geological formation in Ontario, Canada
Bertie Limestone, also referred to as the Bertie Dolomite and the Bertie Formation, is an upper Silurian (Pridoli, or Cayugan) geologic group and Lagerstätte
Bertie_Group
Geologic formation in New Mexico, US
by Spencer G. Lucas and Adrian Hunt in 1987. Lucas and Hunt subsequently reduced the unit to member rank within the Moenkopi Formation, but its inclusion
Anton_Chico_Formation
Fossil-bearing formation in Michigan
The Grand River Formation is a geologic formation in Michigan. It preserves fossils dating back to the Pennsylvanian period. Earth sciences portal Michigan
Grand_River_Formation
Group of geologic formations in New Mexico, US
Kelley et al. 2006. Lucas, Krainer & Colpitts 2005a. Lucas et al. 2016. Lucas et al. 2005b. Vachard, Krainer & Lucas 2015. Voigt & Lucas 2016. Resnick, J
Yeso_Group
Geologic formation in New Mexico
Sullivan, R. M., & Lucas, S. G. (2011). Taxonomic composition of the Alamo Wash local fauna from the Upper Cretaceous Ojo Alamo Formation (Naashoibito Member)
Ojo_Alamo_Formation
Geologic formation in Michigan
The Rapson Creek Formation is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period. Earth sciences portal Michigan
Rapson_Creek_Formation
Geologic formation in Michigan, United States
The Bayport Limestone is a geologic formation in Michigan. It preserves fossils dating back to the Mississippian period. Earth sciences portal Michigan
Bayport_Limestone
Geologic formation in New Mexico and Colorado
et al. 2021. Lucas et al. 2005. Fillmore 2011. Scott, O'Sullivan & Weide 1984. National Park Service 2015. Williamson 1997. Hunt & Lucas 1993. McDonald
Menefee_Formation
Geologic formation in Michigan, United States
The Lime Island Formation is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period. Earth sciences portal Michigan
Lime_Island_Formation
Geologic group of western Texas and eastern New Mexico
Rosa formation of Middle and Late Triassic age, Guadalupe County, New Mexico". U.S. Geological Survey Bulletin. 1804. doi:10.3133/b1804. Lucas, S.G.;
Dockum_Group
Geologic formation
The Anderdon Limestone is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period. Earth sciences portal Michigan portal
Anderdon_Limestone
Geologic formation across the Colorado Plateau, USA
lighter-red Moenkopi Formation, and white, layered Cutler Formation sandstone. Picture from Glen Canyon National Recreation Area, Utah. Lucas, S. G., A. B. Heckert
Wingate_Sandstone
Geologic formation in Michigan
The Ferron Point Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period. Earth sciences portal Michigan
Ferron_Point_Formation
Geologic group in Eastern and Midwestern, USA
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
Black_River_Group
Geologic formation in Michigan
The Bois Blanc Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period. Earth sciences portal Michigan
Bois_Blanc_Formation
Geological Formations
Limestone is a geologic formation in Michigan that preserves fossils dating back to the Middle Devonian and is the uppermost formation of the Traverse Group
Thunder_Bay_Limestone
Sandstone formation in the United States
Berea Sandstone, also known as Berea Grit, is a sandstone formation in the U.S. states of Michigan, Ohio, Pennsylvania, West Virginia, and Kentucky. It
Berea_Sandstone
Geological formation in Mexico
2022-02-25. Retrieved 2020-10-02. "El Gallo Formation, Baja California Del Norte, Mexico," in Sullivan and Lucas (2006). Page 16. Cabrera Hernandez, Jonathan
El_Gallo_Formation
Geologic formation in Michigan, United States
The Marshall Sandstone is a geologic formation in Michigan. It preserves fossils dating back to the Mississippian period. John Alroy (ed.). "Fossilworks:
Marshall_Sandstone
Brazilian footballer
Lucas de Freitas Molarinho Chagas (born 20 January 2001), known as Lucas Freitas, is a Brazilian footballer who plays as a centre-back for Vasco da Gama
Lucas_Freitas
Brazilian footballer (born 1987)
Lucas Pezzini Leiva (born 9 January 1987), known as Lucas or Lucas Leiva (Brazilian Portuguese: [ˈlukɐz ˈlejvɐ]), is a Brazilian former professional footballer
Lucas_Leiva
Geologic formation in New Mexico, USA
tenebrosus, pointing to a Bridgerian age for the formation. The formation was first defined by Spencer G. Lucas and Thomas E. Williamson in 1993 and named for
Hart_Mine_Formation
Geologic formation in Mexico
Enmedio and Packard Formations, Cabollona Group, Sonora, Mexico," in Sullivan and Lucas (2006). Page 16. Sullivan, R.M., and Lucas, S.G. 2006. "The Kirtlandian
Corral_de_Enmedio_Formation
Geologic formation in Michigan, United States
Squaw Bay Limestone (referred to as the Traverse Formation in older literature) is a geologic formation in Michigan. It is a part of the Traverse Group
Squaw_Bay_Limestone
Geologic formation in Michigan, Ohio and Ontario
Limestone (also referred to as the "Columbus" Limestone) is a geologic formation in Michigan, Ohio and Ontario. It preserves fossils dating back to the
Dundee_Limestone
Geologic formation in Michigan
The Garden Island Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period. Earth sciences portal Michigan
Garden_Island_Formation
Geologic formation exposed in eastern New Mexico
Lucas, S.G.; Hunt, A.P. (1989). "Revised Triassic stratigraphy in the Tucumcari basin, east-central New Mexico". In Lucas, S.G.; Hunt, A
Redonda_Formation
Croatian footballer (born 1985)
to receive less playing time in the starting eleven due to change in formation and competition with younger players like Federico Valverde, Jude Bellingham
Luka_Modrić
Geologic formation in Michigan, US
The Bill's Creek Shale is a geologic formation in Michigan. It preserves fossils dating back to the Ordovician period. Earth sciences portal Michigan
Bill's_Creek_Shale
Geologic formation in New Mexico, USA
Bulletin B31629.1. doi:10.1130/B31629.1. ISSN 0016-7606. Vigla Formation at Paleobiodb.org Lucas, Spencer G.; Dalman, Sebastian; Lichtig, Asher J.; Elrick
Hall_Lake_Formation
Geological formation in Midwestern United States
The Antrim Shale is a formation of Upper Devonian age in the Michigan Basin, in the US state of Michigan, and extending into Ohio, Indiana and Wisconsin
Antrim_Shale
Geologic Formation dating back to the Devonian Period in Michigan
The Bell Shale is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period. Earth sciences portal Michigan portal Paleontology
Bell_Shale
Geological formation in Texas, USA
The Javelina Formation is a geological formation in Texas. Dating has shown that the strata date to the Maastrichtian stage of the Late Cretaceous, approximately
Javelina_Formation
Ancestor of all current life on Earth
LUCA. The origin of viruses remains disputed. Since viruses need host cells for their replication, it is likely that they emerged after the formation
Last universal common ancestor
Last_universal_common_ancestor
Geologic formation in Michigan and Ohio
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
Put-in-Bay_Dolomite
Oil field in southern Texas, United States
on salt-dome formations. Lucas made a lease agreement in 1899 with the Gladys City Company and a subsequent agreement with Higgins. Lucas drilled to 575
Spindletop
dinosaur from New Mexico". In Foster, J.R.; Lucas, S.G. (eds.). Paleontology and Geology of the Upper Morrison Formation. New Mexico Museum of Natural History
List of dinosaurs of the Morrison Formation
List_of_dinosaurs_of_the_Morrison_Formation
Geologic formation in Arizona, United States
The Salero Formation is a Late Cretaceous geologic formation in the United States. The formation is 70-74 million years old. Earth sciences portal Stratigraphy
Salero_Formation
Geologic formation in Argentina
The Candeleros Formation is a geologic formation that crops out in the Río Negro, Neuquén, and Mendoza provinces of northern Patagonia, Argentina. It
Candeleros_Formation
Geologic formation in Michigan, United States
The Parma Sandstone is a geologic formation in Michigan. It preserves fossils dating back to the Carboniferous period. Earth sciences portal Michigan
Parma_Sandstone
Possible earliest ancestor of the LUCA ancestral cell
molecules to protein formation through peptide synthesis. Its descendants would include the last universal common ancestor (LUCA) and, therefore, all
First universal common ancestor
First_universal_common_ancestor
Life arising from non-living matter
Dresser formation preserve hot springs on land, but other regions seem to have been shallow seas. A molecular clock analysis suggests the LUCA emerged
Abiogenesis
American media franchise
Lucas Saga Chapter 1: 'A New View'", Starlog #48, July 1981. Lucas, George (1997). Star Wars: The Empire Strikes Back. Del Rey. p. i. "George Lucas talks
Star_Wars
Geologic group in Michigan and Ohio
Stratigraphic range: Devonian Lucas Dolomite, upper Detroit River Group, Middle Devonian (quarry near Junction, Ohio) Type Group Sub-units Lucas Dolomite, Formosa
Detroit_River_Group
Geologic formation in Michigan
The Silica Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period. Earth sciences portal Michigan portal
Silica_Formation
Geologic formation in New Mexico, United States
Paleontology in New Mexico Lucas & Krainer 2005. Williston & Case 1913. Langston 1953a. Langston 1953b. Lucas et al. 2005. Lucas, Spencer G.; Rinehart, Larry
El_Cobre_Canyon_Formation
Rock formation in the western United States
Morrison Formation, the Lourinhã and Alcobaça Formations (Portugal), and the Tendaguru Beds (Tanzania): a comparison. in Foster, J.R. and Lucas, S. G. R
Morrison_Formation
Geologic formation in New Mexico
American Land Mammal Ages. Williamson & Lucas 1992. Schoch 1981. Lucas & Ingersoll 1981. Lucas 1984. Williamson 1996. Tidwell, Ash & Parker 1981. Davis et
Nacimiento_Formation
Geological formation in New Mexico
Wood & Northrop 1946. Lucas et al. 2016. Lucas, Lerner & Haubold 2001. Voigt & Lucas 2016. Hunt & Lucas 1996. Lucas & Lerner 2017. Krainer, Karl (2024-11-26)
Abo_Formation
Geologic formation in New Mexico, United States
found in the formation. The formation was first named by Baldwin and Muelberger in 1959. Lucas et al. rejected the assignment of the formation to the Dockum
Travesser_Formation
Geologic formation in Michigan, United States
The Ellsworth Shale is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period. Earth sciences portal Michigan portal
Ellsworth_Shale
Geologic formation in northern New Mexico, United States
Formation to group rank. Stewart et al. 1972. Lucas et al. 2005. Wood & Northrop 1946. Lucas & Hunt 1992. Lucas, S.G.; Hunt, A.P. (1992). "Triassic stratigraphy
Poleo_Formation
Geologic formation in west-central New Mexico
characteristic of the late Carnian. Spencer G. Lucas and S.N. Hayden defined the Bluewater Creek Member of the Chinle Formation in 1989, assigning to it beds formerly
Bluewater_Creek_Formation
Geologic formation in West Texas
The Boquillas Formation is a geologic formation deposited during the Late Cretaceous in modern-day West Texas. It is typically composed of alternating
Boquillas_Formation
Geologic formation in Michigan, US
The Coldwater Shale is a geologic formation in Michigan, named after the Coldwater River. It preserves fossils dating back to the Mississippian period
Coldwater_Shale
Geologic formation in New Mexico
the Shinarump Formation from the Chinle Formation, but the Shinarump is a member of the Chinle Formation on the Colorado Plateau. Lucas further rationalized
San_Pedro_Arroyo_Formation
Geologic formation in Michigan, USA
The St. Ignace Dolomite is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period. Earth sciences portal Michigan portal
St._Ignace_Dolomite
Geologic formation in New Mexico
However, Spencer G. Lucas and coinvestigators have recommended abandoning the name Wild Cow Formation and using Atrasado Formation throughout the Madera
Atrasado_Formation
Geologic formation in New Mexico, USA
1951. Williamson & Lucas 1992. Schoch 1986. Sullivan & Lucas 1988. Lichtig & Lucas 2015. Hay 1904. Cope 1875. Lichtig, Hutchison & Lucas 2018. Osborn 1978
San_Jose_Formation
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LUCAS FORMATION
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LUCAS FORMATION
LUCAS FORMATION
LUCAS FORMATION
LUCAS FORMATION
LUCAS FORMATION
LUCAS FORMATION
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