Sandstone, shale, siltstone, conglomerate and breccia; in part Pliocene and Oligocene.
Sandstone, siltstone, shale, and conglomerate; in part Pleistocene and Miocene.
Older alluvium, lake, playa, and terrace deposits.
Shale, sandstone, conglomerate, and minor limestone; in part Oligocene and Paleocene.
Alluvium, lake, playa, and terrace deposits; unconsolidated and semi-consolidated. Mostly nonmarine, but includes marine deposits near the coast.
Mesozoic granite, quartz monzonite, granodiorite, and quartz diorite
Sandstone, shale, and conglomerate; in part Miocene and Eocene.
Schists of various types; mostly Paleozoic or Mesozoic age; some Precambrian.
Sandstone, shale, and conglomerate; in part Miocene and Eocene.
Extensive marine and nonmarine sand deposits, generally near the coast or desert playas
Upper Cretaceous sandstone, shale, and conglomerate
Sandstone, shale, and conglomerate; mostly well consolidated
Gabbro and dark dioritic rocks; chiefly Mesozoic
Limestone, dolomite, and marble whose age is uncertain but probably Paleozoic or Mesozoic
Sandstone, shale, and conglomerate