Geologic and geophysical maps of the Santa Maria and part of the Point Conception 30'×60' quadrangles, California

First posted August 2, 2021 For additional information, contact: Director, Geosciences and Environmental Change Science CenterU.S. Geological SurveyBox 25046, MS-980Denver, CO 80225-0046 This report presents digital geologic, gravity, aeromagnetic maps for the onshore parts of Santa Maria Point Conception 30'x60' quadrangles at a compilation scale 1:100,000. The map depicts distribution bedrock units, surficial deposits, paleontological data, geophysical data structural features in basin Ynez Mountains to south, an area corresponding 26 contiguous 7.5-minute quadrangles. also includes offshore faults from Hosgri fault, major feature, east shoreline. new revises supersedes two earlier versions quadrangle that were produced as part U.S. Survey’s investigations oil gas resources province (Keller, 1995). first was released scanned black-and-white image hand-drawn (Tennyson, 1992); second release is no longer available (Tennyson others, geology adjacent encompasses western Transverse Ranges. database contains magnetic gravity entire region, interpretation bear on continuity connection mapped structures.