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Geology and Mineral Resources of Lake Count,. <br /> EXPLANATION Simplified geologic <br /> Quaternary alluvium Paleozoic sedimentary map of Lake County <br /> and glacial deposits rocks with mining districts. <br /> Tertiary volcanic rocks (� Precambrian metamorphic <br /> (Grizzly Peak caldera) and igneous rocks <br /> Tertiary intrusive ❑• Mining districts <br /> porphyry --- Faults <br /> i <br /> Fe root <br /> ,1�_!' 1 05' t 5' P355 <br /> (L4 <br /> -- EAGLE CO �/ \� / o <br /> PITKIN CO <br /> Tennessee Pass• .� �� <br /> 91 <br /> Y ' <br /> 1 s Y *U SC Kevin - <br /> � ` � �Leadvillel <br /> North `t "�.+ji�qe, ; 5 i ; District <br /> al <br /> t // ,�ga�Loaf•� ♦ � i <br /> / (� (' • <br /> Leadville <br /> Al� <br /> t a, ,SPARK CO <br /> % ' •Two&t <br /> 1R A� I ♦ � ♦ I I <br /> I • ♦� i <br /> Tw.n Lake• �_, � ;'�♦ , ' , r <br /> -- •Granite— <br /> _ <br /> CHAFFEE COt \ <br /> 5 10 MILES L <br /> I I <br /> Colorado Geological Survey FIGURE 1 <br /> CJK Milling LLC Figure 9-1: Geologic Map <br />