Turlock Lake Formation

Turlock Lake Formation
Stratigraphic range: Early Pleistocene
Type Geologic formation
Underlies Riverbank Formation
Overlies Mehrten Formation, North Merced Pediment and Gravels
Lithology
Primary Granitic sand over stratified silt
Location
Region Sacramento County, California
Country United States

The Turlock Lake Formation is an Early Pleistocene geologic formation in the Sierra Nevada foothills in Sacramento County, California. Cities in/over the formation's area include Citrus Heights, Carmichael, and Roseville.[1]

The Turlock Lake Formation is a fan deposit of dominantly granitic alluvium covering the westward extension of the North Merced Pediment and Gravels formation, and directly overlying the Mehrten Formation.[2]

It preserves Early Pleistocene Quaternary period fossils.

See also

References

  1. California Geological Survey: Geologic Map of the Sacramento Quadrangle
  2. California Division of Mines and Geology.ca..gov: "The GEOLOGY, GEOMORPHOLOGY, and SOILS of the SAN JOAQUIN VALLEY in the VICINITY of the MERCED RIVER, CALIFORNIA.", by RODNEY J. ARKLEY Lecturer and Specialist in the Agricultural Experiment Station, Department of Soils and Plant Nutrition, University of California, Berkeley, California.
Quaternary
Pleistocene Holocene
Early | Middle | Late Preboreal | Boreal |
Atlantic | Subboreal | Subatlantic


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