1. Mineral Resources
  2. Online Spatial Data
  3. Geology
  4. by state
  5. California geologic units

Geologic units in Sutter county, California

Additional scientific data in this geographic area

Quaternary alluvium and marine deposits (Pleistocene to Holocene) at surface, covers 90 % of this area

Alluvium, lake, playa, and terrace deposits; unconsolidated and semi-consolidated. Mostly nonmarine, but includes marine deposits near the coast.

Quaternary pyroclastic and volcanic mudflow deposits, unit 3 (Sutter Buttes) (Quaternary (1.5-2.5 Ma)) at surface, covers 7 % of this area

Quaternary pyroclastic and volcanic mudflow deposits.

Quaternary volcanic flow rocks, unit 4 (Sutter Buttes) (Quaternary (1.5-2.5 Ma)) at surface, covers 2 % of this area

Quaternary volcanic flow rocks; minor pyroclastic deposits; in part Pliocene and Miocene.

Eocene marine rocks (Paleocene to Oligocene) at surface, covers 0.9 % of this area

Shale, sandstone, conglomerate, and minor limestone; in part Oligocene and Paleocene.

Upper Cretaceous marine rocks, unit 1 (Upper Great Valley Sequence) (Late Cretaceous) at surface, covers 0.7 % of this area

Upper Cretaceous sandstone, shale, and conglomerate

Plio-Pleistocene and Pliocene loosely consolidated deposits (Miocene to Pleistocene) at surface, covers < 0.1 % of this area

Pliocene and/or Pleistocene sandstone, shale, and gravel deposits; in part Miocene.