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MINEBK00982
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Last modified
1/5/2009 10:22:45 AM
Creation date
11/18/2007 12:23:18 PM
Metadata
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Mine Books
County
Boulder
Volume
7
Document
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A
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<br />......GEOLOGY......, .._. 3 ~N m. <br />.ere is no geological survey of the district. <br />,e country rock consists of a gneissic granite merging 1n some places <br />Ito a coarse grainod pegmatite. <br />T}te country is cut by.a fismtre vein aystam having a general strike <br />rt}t east and sout}t went. <br />'Phe veins vary in width from a learn tc several. feet and are most- <br />replacements along a Po rrner fiesure or line of vreakness. <br />W}te vein matter consists of the altered country rock impregm3ted <br />th gold bearing iroh pyrites and te]luridon of gold and nil.ver. <br />The Inter Ocean vein hnn a r,ourne of f1.70°F. rrtnd dips to the N.l'L at <br />r angle of about 80°. Ylidth varies from a streak to 10 feet vrith an <br />rarage of 5 feet. <br /> <br />
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