Upper Barstow Member

Geology

Formation: Barstow

Lithologies: not reported (3), mudstone (1)

Paleoenvironments: terrestrial indet. (46), lacustrine - large (1)

Age range: base of the Hemingfordian to the top of the Barstovian or 18.50000 to 12.50000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Hemingfordian18.5 - 16.3USA (California) (106431)
Barstovian16.3 - 12.5USA (California) (19132 19152 19167 19168 19169 19170 19171 19172 19173 19184 19193 19271 19279 19280 19281 19282 19283 19284 19304 19305 19343 19345 19363 19364 19366 19416 19422 19430 19457 19458 19463 19465 19522 19523 19524 19525 19526 19527 19550 19558 19559 19560 19561 19568 19615 231901)