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WORLD CLASS FE AND TI DEPOSIT. HAYNES HIGHWAY NEARBY PROVIDES GOOD TRANSPORTATION. SIGNIFICANT VALUES OF PLATINUM GROUP METALS (AU, PT, PD). AVERAGE PT VALUE OF 0.0027 OZ/TON GIVEN IN USGS P 820, P. 541 IS DISPUTED IN USBM 84-21, P. 14 WHICH GIVES AVERAGE OF 0.001-0.002 OZ/TON ; INFO.SRC : 1 PUB LIT |
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THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE. |
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DEPOSIT IS KLUKWAN ULTRAMAFIC PYROXENITE SURROUNDED BY HORNBLENDE DIORITE. THE PYROXENITE HAS DISSEMINATED MAGNETITE AND ILMENITE, AS WELL AS LENSES OF ALMOST PURE MAGNETITE-ILMENITE. THE MAGNETITE IS TITANIFEROUS. OTHER METALLIC GANGUE MINERALS INCLUDE HEMATITE, CHALCOPYRITE, PYRITE, LEUCOXENE, AND BORNITE. THE LARGEST CONCENTRATION OF TITANIFEROUS MAGNETITE OCCURS IN THE LOWER PORTIONS OF THE ULTRAMAFIC. GOLD, PLATINUM, AND PALLADIUM ARE MOST ABUNDANT IN AREAS WITH HIGH COPPER CONCENTRATION IN CENTRAL AND SOUTHERN PORTIONS OF DEPOSIT (FROM LOCATION POINT SOUTH). THE PYROXENITE BODY ENDS 0.5 MI SE OF LOCATION POINT, AND CONTACTS HORNBLENDE DIORITE WITH A SERIES OF CHALCOPYRITE, BORNITE, AND MALACHITE BEARING HYDROTHERMAL PINCH AND SWELL VEINS OCCUPYING N STRIKING STEEPLY DIPPING SHEAR ZONES. THESE VEINS HAVE HIGH CU, AU, PT, AND PD CONTENT. THE ULTRAMAFIC PYROXENITE BODY IS 4 MI LONG, AND UP TO 1.5 MI WIDE, TRENDING NW-SE. TOTAL SIZE OF MINERALIZED AREA IS AT LEAST 8 MI LONG |
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AND 1.5 MI WIDE, ALSO TRENDING NW-SE. TOTAL LODE DEPOSIT RESERVES ESTIMATED AT 3.5 BILLION TONS WITH AVERAGE SOLUBLE FE CONTENT OF 16.8%; IN ADDITION, ANOTHER 989,761,000 TONS AT 10.8% FE ARE IN THE ALLUVIAL FAN (USBM OF 84-21, P. 5). 500 MILLION TONS NEAR BASE OF PYROXENITE BODY HAVE OVER 20% FE. USGS P820, P. 541 CLAIMS 500 MILLION TONS OF TITANIFEROUS MAGNETITE WITH 0.0027 OZ/TON PLATINUM GROUP METALS, WHICH USBM OF 84-21, P. 14, DISPUTES. |
