Trujillo Formation

Trujillo Formation
Stratigraphic range: Late Triassic,
216–203 Ma
Trujillo Formation in Texas
TypeFormation
Unit ofDockum Group
OverliesTecovas Formation
Thickness45–210 feet (14–64 m)
Lithology
PrimarySandstone
Otherconglomerate, mudstone
Location
Coordinates35°15′00″N 103°01′54″W / 35.2501°N 103.0318°W / 35.2501; -103.0318
RegionTexas
New Mexico
CountryUnited States
Type section
Named forTrujillo Creek
Named byC.N. Gould
Year defined1907
Trujillo Formation is located in the United States
Trujillo Formation
Trujillo Formation (the United States)
Trujillo Formation is located in Texas
Trujillo Formation
Trujillo Formation (Texas)

The Trujillo Formation is a geologic formation in Texas[1] and New Mexico.[2] It preserves fossils dating back to the upper Triassic period.[2] It is also known as the Trujillo Sandstone.

  1. ^ Gould, C.N. (1907). "Geology and water resources of the western portion of the Panhandle of Texas". U.S. Geological Survey Water-Supply Paper. 191.
  2. ^ a b Barnes, V.E. (1983). Geologic atlas of Texas. University of Texas-Austin, Bureau of Economic Geology. p. Tucumcari sheet.