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Geologic Map <br /> Holt of California <br /> 8853 Manthey Road, French Camp, California <br /> _ S l <br /> 59L • 16 <br /> '\...` <br /> ��' St too Metro _ rr ollegev}le 't¢1'nrS <br /> • t <br /> 2 <br /> 'I � r• w 18 �,L A <br /> Lary <br /> 1 net • � do <br /> , . :. <br /> Op <br /> t H is <br /> Manteca <br /> 2 If <br /> -- . -'`Q6-- <br /> _.�., t)s • ..,�, ,vo . We <br /> Explanation <br /> Map Base: California Geological Survey <br /> Qdp Quaternary Dos Palos Alluvium- (formerly California Division of Mines& Geology), <br /> Flood basin deposits 1991, Geologic Map of the <br /> San Francisco-San Jose Quadrangle; <br /> Quaternary Modesto Formation- CDMG Map 5A, Scale 1.-250,000, <br /> QM Arkosic alluvium forming Mokelumne River terraces and alluvial <br /> fan;chiefly sand with minor gra vel and silt;probably glacial outwash <br /> Scale <br /> Qr Quaternary Riverbank Formation-weathered reddish gravel, 0 1 2 <br /> sand,and silt forming clearly recognizable alluvial terraces and fans Miles <br /> 1 in=5,208 ft <br /> Qs Quaternary Dune Sand 1:625,000 <br /> Pliocene Laguna Formation-interbedded alluvial gravel,sand <br /> Pl and silt. Pebbles and cobbles of quartz and sediments are <br /> invariably arkosic <br /> Tertiary Mehrten Formation-sandstone,laminated siltstone, <br /> TT conglomerate, and tuff breccia composed almost entirely of <br /> andesitic material with only small amounts of igneous and I N E I L O. A N D E R S O N <br /> metamorphic rock fragments <br /> A N D A S S O C I A T E S <br /> ® Location of Subject Site Plate 7 <br />