Budden Canyon Formation

Last updated
Budden Canyon Formation
Stratigraphic range: Berriasian-Turonian
~145–90  Ma
Type Geological formation
Unit of Great Valley Group
Sub-unitsBald Hills, Chickabolly, Gas Point, Huling Sandstone & Ogo Members
Lithology
Primary Mudstone, sandstone
Other Conglomerate, limestone
Location
Coordinates 40°24′N122°30′W / 40.4°N 122.5°W / 40.4; -122.5 Coordinates: 40°24′N122°30′W / 40.4°N 122.5°W / 40.4; -122.5
Approximate paleocoordinates 40°30′N78°30′W / 40.5°N 78.5°W / 40.5; -78.5
Region California
CountryFlag of the United States.svg  United States
Type section
Named for Budden Canyon
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Budden Canyon Formation (the United States)
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Budden Canyon Formation (California)

The Budden Canyon Formation is the name of a sedimentary rock formation in California of Cretaceous (Berriasian-Turonian) age. [1]

Contents

The formation consists of more than 20,000 feet of clastic sediments of non-marine (alluvial fan), shallow marine, slope and basin floor fan turbidites. [2]

Fossil content

The formation is very fossiliferous with common macro-fossils, such as ammonites, gastropods, and bivalves found both in concretions and bedding planes, along with common petrified wood, woody material, and leaf and seed fossils. In addition to these are marine microfossils, including foraminifera and microgastropods. There are also rare vertebrate remains, including fish, pterosaurs, a dinosaur and marine turtles.

See also

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References

  1. Murphy, M. A., Rodda, P. U., and Morton, D. M., 1969 "Geology of the Ono Quadrangle, Shasta and Tehema Counties California. California Division of Mines and Geology Bulletin 192, 28p.
  2. Budden Canyon Formation in the Paleobiology Database

Bibliography

Further reading