Triassic
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{{Infobox rockunit}}{{Infobox rockunit/sandbox}}
Hallstätterkalk Formation
Stratigraphic range: Triassic
TypeFormation
Location
CountryGermany, Slovakia
Hallstätterkalk Formation
Stratigraphic range: Triassic
TypeFormation
Location
CountryGermany, Slovakia
Late Cretaceous
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Cretaceous chalk

Stratigraphic range: Late Cretaceous
Lithology
PrimaryChalk
Location
CountryU.K.
Cretaceous chalk

Stratigraphic range: Late Cretaceous
Lithology
PrimaryChalk
Location
CountryU.K.
No period
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{{Infobox rockunit}}{{Infobox rockunit/sandbox}}
Cretaceous chalk
Lithology
PrimaryChalk
Location
CountryU.K.
Cretaceous chalk
Lithology
PrimaryChalk
Location
CountryU.K.
With map
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{{Infobox rockunit}}{{Infobox rockunit/sandbox}}
Marcellus Formation
Stratigraphic range: Mid Devonian
TypeGeological formation
Lithology
PrimaryShale
OtherSlate, Limestone, Sandstone
Location
RegionAppalachian Basin

Extent of the Marcellus Formation
Marcellus Formation
Stratigraphic range: Mid Devonian
TypeGeological formation
Lithology
PrimaryShale
OtherSlate, Limestone, Sandstone
Location
RegionAppalachian Basin

Extent of the Marcellus Formation
documentation example
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{{Infobox rockunit}}{{Infobox rockunit/sandbox}}
Marcellus Formation
Stratigraphic range: Mid Devonian, ~395–390 Ma
Marcellus shale exposure above Marcellus, New York
TypeGeological formation
Unit ofHamilton Group
Sub-units{list of sub-units}
UnderliesMahantango Formation
OverliesOnondaga Formation
Area{area}
Thicknessup to 900 feet (270 m)
Lithology
PrimaryShale
OtherSlate, Limestone, Sandstone
Location
Coordinates42°59′N 76°20′W / 42.99°N 76.34°W / 42.99; -76.34
RegionAppalachian Basin of
eastern North America
Country{country}
Extent600 miles (970 km)
Type section
Named forMarcellus, New York
Named byJames Hall
Year defined1839
CountryUnited States

Extent of the Marcellus Formation
Marcellus Formation
Stratigraphic range: Mid Devonian, ~395–390 Ma
Marcellus shale exposure above Marcellus, New York
TypeGeological formation
Unit ofHamilton Group
Sub-units{list of sub-units}
UnderliesMahantango Formation
OverliesOnondaga Formation
Area{area}
Thicknessup to 900 feet (270 m)
Lithology
PrimaryShale
OtherSlate, Limestone, Sandstone
Location
Coordinates42°59′N 76°20′W / 42.99°N 76.34°W / 42.99; -76.34
RegionAppalachian Basin of
eastern North America
Country{country}
Extent600 miles (970 km)
Type section
Named forMarcellus, New York
Named byJames Hall
Year defined1839
CountryUnited States

Extent of the Marcellus Formation