Mt._Eden_Formation

Mt. Eden Formation

Mt. Eden Formation

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The Mt. Eden Formation is a geologic formation in Riverside County, California.[1] It underlies the San Timoteo Formation, and preserves fossils dating back to the Neogene period.[2]

Quick Facts Mount Eden Formation of Fraser (1931), Type ...

Discovery and nomenclature

This geologic formation was initially described in 1921 by paleontologist Childs Frick,[3] who considered the San Timoteo Badlands to be split into three lithologic parts: (1) the Potrero Creek deposits, (2) the San Timoteo Formation, and (3) the Eden beds.[4] The word "Eden" was taken from a large hill of schist located just west of the San Jacinto quadrangle.[5] By 1931, the term "Mt. Eden formation" became prevalent while the term "Eden beds" fell into disuse, and the Potrero Creek deposits ceased to be considered a separate entity.[4]

See also

References

  1. [1]
    Keroher, G.C. (1966). Lexicon of geologic names of the United States for 1936-1960. Retrieved 2015-01-01.
  2. [2]
    Matti, J. et al. Geologic and Geophysical Maps of the El Casco 7.5′ Quadrangle, Riverside County, Southern California, with Accompanying Geologic-Map Database, p. 1 (USGS, 2015).
  3. [3]
    English, H. Duncan. The Geology of the San Timoteo Badlands, Riverside County, California, p. 36 (Claremont College, 1953).
  4. [4]
    Albright, L. Barry. Biostratigraphy and Vertebrate Paleontology of the San Timoteo Badlands, Southern California, p. 5 (University of California Press, 2000).
  5. [5]
    Wilmarth, M. Grace. Bulletin 896, Lexicon of Geologic Names of the United States, p. 1433 (U.S. Dept. of Interior, 1938).

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