Pg. 77-79. Hinkley Valley complex. Consists largely of metasediments, mostly crystalline limestone, together with some quartzites and schists; igneous material subordinate. Contact with Hodge complex not distinct, differentiation made on basis of igneous material present. Considered oldest known rocks in Barstow and Victorville map areas. Paleozoic or older with early Precambrian most probable.
Named from outcrops in and around Hinkley Valley, Rarstow quadrangle, southern CA. Not recognized in Victorville area.
Source: US geologic names lexicon (USGS Bull. 1200, p. 1768).
Pg. 503-504. Faunal evidence indicates age may be wholly Paleozoic.
Source: US geologic names lexicon (USGS Bull. 1200, p. 1768).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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