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4 Environmental Analysis <br /> 4.7 Geology, Soils, and Paleontological Resources <br /> Table 4.7-1. Geologic Units in the Vicinity of the Project Site <br /> ID Age Description <br /> ary <br /> Q Pleistocene-Holocene Marine and non-marine(continental)sedimentary rocks.Alluvium,lake, playa,and <br /> terrace deposits; unconsolidated and semi-consolidated. Mostly non-marine, but <br /> includes marine deposits near the coast. <br /> Qoa Pleistocene Marine and non-marine(continental)sedimentary rocks.Older alluvium, lake,playa, <br /> and terrace deposits. <br /> QPc Pliocene-Pleistocene Non-marine(continental)sedimentary rocks. Pliocene and/or Pleistocene sandstone, <br /> shale,and gravel deposits; mostly loosely consolidated. <br /> Tertiary <br /> M Miocene Marine sedimentary rocks.Sandstone,shale,siltstone,conglomerate,and breccia; <br /> moderately to well consolidated. <br /> E Eocene Marine sedimentary rocks.Shale,sandstone,conglomerate, minor limestone; mostly <br /> well consolidated. <br /> Ep Paleocene Marine sedimentary rocks. Sandstone,shale,and conglomerate; mostly well <br /> consolidated. <br /> Mesozoic <br /> K Cretaceous Marine sedimentary and metasedimentary rocks.Sandstone,shale,and conglomerate. <br /> Ku U per Cretaceous Marine sedimentary and metasedimentary rocks.Sandstone,shale,and conglomerate. <br /> KI Lower Cretaceous Marine sedimentary and metasedimentary rocks.Sandstone,shale,and conglomerate. <br /> KY Cretaceous-Jurassic Marine sedimentary and metasedimentary rocks. Franciscan Complex:Cretaceous <br /> and Jurassic sandstone with smaller amounts of shale,chert,limestone,and <br /> conglomerate. Includes Franciscan melange,except where separated-see KJfm. <br /> KJfm Cretaceous-Jurassic Marine sedimentary and metasedimentary rocks.Melange of fragmented and sheared <br /> Franciscan Complex rocks. <br /> M Miocene Marine sedimentary rocks.Sandstone,shale,siltstone,conglomerate,and breccia; <br /> moderately to well consolidated. <br /> um Mesozoic Plutonic rocks, including metamorphic. Ultramafic rocks,mostly serpentine. Minor <br /> eridotite,gabbro,and diabase. <br /> Source:Jennings et al.2010 <br /> Griffith Energy Storage Project 4.7-4 Tetra Tech/SCH 2022120675 <br /> Draft Environmental Impact Report August 2023 <br />