Turlock Lake Formation
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UnderliesRiverbank Formation
OverliesMehrten Formation, North Merced Pediment and Gravels
PrimaryGranitic sand over stratified silt
| 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.
