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| Rattlesnake Cores - August 2008 |
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Binocular microscope photo from 772′ in hole RS-2. Visible gold in association with potassic-altered, carbonate cemented, chaotic breccia. |
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Slabbed core photo from 772′ in hole RS-2. Visible gold in association with potassic-altered, carbonate cemented, chaotic breccia. |
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Whole core photo from 1,417′ (EOH) in hole RSC-1. Carbonate-cemented chaotic breccia at end of hole. |
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Slabbed core photo from 339.7′ in hole RSC-2. “Multiple” breccia; i.e., a broken rock that includes pieces of previously broken rock. The inherent excellent porosity and permeability associated with breccias can make them an important integral part of the “plumbing system” of the hydrothermal systems that mobilize and localize gold. When nature superimposes one plumbing system on top of another (i.e., makes a breccia out of a previously made breccia) it increases the chances of localizing and concentrating precious commodities like gold. |
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Whole core photo from 850′ in hole RSC-2. Calcite, dolomite, fluorite (green), and disseminated opaque minerals including sulfides from an approximately 1.5′ banded vein associated with a carbonate-cemented, heterolithic, chaotic breccia. Gold mineralization at Cripple Creek is spatially associated with fluorite-bearing veins. Moreover, the gold at Rattlesnake is associated with carbonate mineralization (c.f. whole core photo rs2-sc772 and binocular microscope photo rs2-b772 above). |
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Whole core photo from 840′ in hole RSC-3. Potassic-altered breccia (stained yellow) with disseminated sulfides. Note alteration selvage developed within the schist wall-rock in contact with the breccia. Gold follows potassium at Cripple Creek and at many other deposits world-wide. |
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