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Informal Mee isr <br /> Geologic unit Littalogic character thickness Meter-bearing properties � <br /> SyS lem Ynits Mee <br /> m <br /> L (feez <br /> Unconsolidated Deposits <br /> Fri <br /> Flood-basin Unconsolidated surficlal and Mar- r' <br /> deposits surface lenticular deposits of " <br /> N <br /> clay. silt, und, and gravel. 50 Moderately to poorly permeable, m <br /> y Generally reduced, reworked Unconfined. <br /> Diablo Range and Sierra material. N <br /> $ Undls- Unconsolidated clay, slit, sand, cm's <br /> sected and gravel deposited on M <br /> F alluvium undissected alluvial fans of 100 permeable to moderately permeable. O <br /> £ present streams. Generally. Unconfined. 2 <br /> �i mievlittle toll <br /> S st profilefile development. �C) <br /> .7 < <br /> Partly Unconsolidated clay, silt, sand, Moderately to poorly permeable. m-a m <br /> s dlssacted and gravel deposited on subdued Unconfined to sealconflned. .O <br /> alluvium alluvial fans now, partially 100 � <br /> dissected. Generally, oxidized p <br /> with soil profile development. G7 <br /> Fell� <br /> p <br /> p Terrace Unconsolidated cla slit, send, W Z p <br /> » deposits and ravel moor ylerel of Highly permeable to permeable. fn,,,,� <br /> g ` i 120 Unconfined, geMn11Y +bore the q —1 to h1 <br /> 25 passant suers. Osdited. water-table. 7o in m h1 <br /> N <br /> Upper Unconsa ted, pearly to locally Highly to variably permeable. <br /> Y uctlon welenticular deposits 200 Unconfined, semiconflned, and <br /> L of clY. silt, sand, and gravel. confined. <br /> Oxidl:ed and reduc-d. OA m X <br /> c ^s Corocoran Sully clay, silty clay, silt, and -0Impermeable confining stratum. I"I—1 <br /> C [lay clay Interbedded with fled- 127 vp <br /> g Member grained sand. <br /> (►leistoceM) m < <br /> to n <br /> Lower sectiondata-. <br /> Unconsolidated aro srillnsol l- Highly to variably permeable. O� <br /> section , poorly to locally Confined. C:) <br /> S wall-sorted lenticular deposits 650 <br /> of clay. slit, sand, and • <br /> gravel. Oxidized and reduced. mans <br /> C:) <br /> Consolidated Deposits In <br /> a <br /> Sedimentary Intrusive rocks and partially Variably permeable. Generally (m*a <br /> Qa and metamorphosed sedimentary rocks, yields saline water. Depth of Y <br /> crystalline overlain by marine and some unit exceeds depth of the cells. n <br /> 9 rocks, continental Indurated admixtures 61,000, Confined. <br /> sZ undifferentiated of clay. slit, sand, and gravel. Q <br /> siliceous and carbaMceous stale <br /> and bentonitic claystone. <br /> Oxidized and reduced. <br /> i <br />