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  2. Barstow Formation - Wikipedia

    en.wikipedia.org/wiki/Barstow_Formation

    The Barstow Formation is a series of limestones, conglomerates, sandstones, siltstones and shales exposed in the Mojave Desert near Barstow in San Bernardino County, California. [1] [2] It is of the early to middle Miocene epoch, (19.3 - 13.4 million years ago) in age, in the Neogene Period. [3]

  3. Paleontology in California - Wikipedia

    en.wikipedia.org/wiki/Paleontology_in_California

    California was a region of geologic upheaval during the Mesozoic, including both Mountain formation and volcanism. The Sierra Nevada began forming at this time. Mesozoic California included areas of both marine and terrestrial environments. The local seas were home to a variety of marine invertebrates and marine reptiles.

  4. La Brea Tar Pits - Wikipedia

    en.wikipedia.org/wiki/La_Brea_Tar_Pits

    Contrary to popular belief, the tar pits don't contain dinosaur remains, as these were extinct before the pits formed. [27] The park is known for producing myriad mammal fossils dating from the Wisconsin glaciation. While mammal fossils generate significant interest, other fossils including fossilized insects and plants, and even pollen grains ...

  5. Paleobiota of the La Brea Tar Pits - Wikipedia

    en.wikipedia.org/wiki/Paleobiota_of_the_La_Brea...

    While the western fence lizard is still present in California, the desert spiny lizard has disappeared from the area and instead retreated to more arid regions. Eumeces sp. [136] An skink assigned to the Eumeces genus. This genus underwent taxonomic revisions and American species have since then been placed in either Plestiodon or Mesoscincus.

  6. Calico Early Man Site - Wikipedia

    en.wikipedia.org/wiki/Calico_Early_Man_Site

    The Calico Early Man Site is an archaeological site in an ancient Pleistocene lake located near Barstow in San Bernardino County in the central Mojave Desert of Southern California. This site is on and in late middle- Pleistocene fanglomerates (now-cemented alluvial debris flow deposits) known variously as the Calico Hills, the Yermo Hills, or ...

  7. List of the prehistoric life of California - Wikipedia

    en.wikipedia.org/wiki/List_of_the_prehistoric...

    This list of the prehistoric life of California contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of California. Precambrian [ edit ]

  8. Geology and geological history of California - Wikipedia

    en.wikipedia.org/wiki/Geology_and_geological...

    The oldest rocks in California date back 1.8 billion years to the Proterozoic and are found in the San Gabriel Mountains, San Bernardino Mountains, and Mojave Desert.The rocks of eastern California formed a shallow continental shelf, with massive deposition of limestone during the Paleozoic, and sediments from this time are common in the Sierra Nevada, Klamath Mountains and eastern Transverse ...

  9. Mitchell Caverns - Wikipedia

    en.wikipedia.org/wiki/Mitchell_Caverns

    According to a California tourism guide, “You enter the limestone caverns at an altitude of 4,300 feet (1,300 m) about 1,000 feet (300 m) above the desert floor. The higher view of the desert from the Visitor Center is magnificent…Not too spacious, these chambers contain strangely beautiful cave coral, stalactites, and stalagmites.” [ 5 ]