Geology of La Brea Tar Pits Background The La Brea Tar Pits, located near Hollywood, California, contain one of the worlds greatest troves of Pleistocene fossils. Over one million bones have been recovered to so far. Dating from 38,000BC to 8,000 BC, the bones represent more than 420 species of animal, including saber tooth tigers, dire wolves, and 140 species of plants. Geologic History Leaves and grass blew across the tar, forming a thin top layer identical to …
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