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Qm <br /> Qm <br /> .?m F_. > <br /> Site`.. 4-+ <br /> .z <br /> a, <br /> Modified after Marchand, D.E,and Atwater, B.F, 1979, Preliminary geologic,map showing Quaternary deposits of the <br /> Lodi Quadrangle, California. USGS OFR 79-933. <br /> Key: <br /> Qm Modesto formation upper member.undifferentiated alluvial deposits,mainly arkosic,forming toe of Mokelurnr e alluvial fan <br /> Qrn., Modesto fcr" : ';; .upper member:arkosic a!!uvii m forcing Mokelumne River alluvial fan;cniefiv sand, becoming finer-drained <br /> toward ably glacial outwash <br /> Qm.f Mock-,-: _;r :� r member, foothill-derived alluvial silt,clay and minor sand following distributaries across lower fans; <br /> abundant voicanic detritus <br /> Qm fb Modesto formation upper member foothill-derivd basin and interdistributary overbank alluvium;chiefly clay and silt <br /> Qrn.e Modesto formation upper member: arkosic sand forming!ow dunes on the Mokelumne River fan and in the Delta <br /> Qm.b Modesto formation lower member:basin alluvium derived from Mokelum, e and Calaveras Rivers; includes arkosic alluvium, <br /> probably glacial outwash,and locally-derived materials;chiefly fine sand and silt <br /> Qrn." Modesto formation!ower member:Qm, (arkosic alluvium forming Mokelumne River al uvial fan)and Qm b deposits overlain by <br /> 0.5 to 1.5 m of Qm,fb deposits(foothill-derived basin and Interdlstributary overbank alluvium) <br /> Qm. Modesto fora ation!ower i7iember:Qm,and Qm b deposits overlain by 0.5 to 2 rn of Qrn, deposits <br /> Geologic Map Plate No.: 10 <br /> Project No: 2003 <br /> _ Contreras Property <br /> LIVE OAK 10250 N.Childress Rd. Date: February 18,2020 <br /> GEO ENVIRONMENTAL INC. Stockton,CA <br /> Scale:1 in.= 1 mi. <br />