Huasna Member of Santa Margarita Formation (CA)
Tertiary
Miocene, late
Origin of name not stated by author, but probably named from West Huasna fault or Huasna syncline in Phoenix-Saucelito Creeks area, south-central part of San Luis Obispo Co., CA (Hall, 1962).
California Coast Ranges province
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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