MacGinitie, H.D., 1943, Central and southern Humboldt County [California]: California Division of Mines Bulletin, no. 118, pt. 3, p. 633-635.
Pg. 633. Ferndale sandstone. Fine-grained gray sandstone with thin interbeds of clay shale. Thickness about 2,500 feet. Underlies Wildcat formation; overlies Pico formation. Age is late Pliocene.
[Occurs in central and southern Humboldt Co., northwestern CA.]
Source: US geologic names lexicon (USGS Bull. 1200, p. 1339).
Pg. 33. Name Ferndale sandstone abandoned. Unit redefined as [Scotia] Bluffs sandstone (new) of Wildcat group. [See also entry under Scotia Bluffs.]
[Typographical error (US geologic names lexicon, USGS Bull. 1200, p. 1339): Ferndale is replaced with Scotia Bluffs, not Scotit Bluffs.]
Source: Publication; US geologic names lexicon (USGS Bull. 1200, p. 1339).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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