Montoya Group

Montoya Group
Stratigraphic range:
Montoya Group beds form the shelf immediately below the peak of Timber Mountain, New Mexico, USA
TypeGroup
Sub-unitsCable Canyon Sandstone, Upham Dolomite, Aleman Formation, Cutter Formation
UnderliesFusselman Formation, Percha Formation
OverliesEl Paso Formation
Thickness180 meters (590 ft)
Lithology
PrimaryDolomite
OtherLimestone, sandstone
Location
Coordinates32°51′07″N 105°51′55″W / 32.8519°N 105.8652°W / 32.8519; -105.8652
RegionTexas
CountryUnited States
Type section
Named byG.B. Richardson
Year defined1908
Montoya Group (the United States)
Montoya Group (New Mexico)

The Montoya Group is a group of geologic formations in westernmost Texas and southern New Mexico. It preserves fossils dating back to the late Ordovician period.

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