Operations Description
description
Transcript of Operations Description
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May 3, 2000
Climax Molybdenum Company
Henderson Operations
Operations Description
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May 16, 2000
Mine Site with Red and Harrison Mountains
Red Mountain - Mine Harrison Mountain
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May 16, 2000
GeologyClassic Climax-type porphyry molybdenum deposit
Host rock is granite/aplite porphyry
474,000 feet of core drilling
Limited accessory mineralization
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May 16, 2000
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May 16, 2000
Preliminary Lab Layout with Drill Hole
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May 16, 2000
Drill Hole in Relation to Proposed UNO Site
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May 16, 2000
Drill Hole into Harrison Mountain
• The hole is 2,500 feet in length
• The hole had an inclination of -26 degrees with the top at the 7,500 feet and the bottom at 6,300 feet.
• The hole was drilled at HQ-3 (2.4 inches in dia.) for 1,397 feet and NQ-3 (1.8 inches in dia.) for 1,102 feet.
• Hole deviation was less than 200 feet
• Geological logging is complete
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May 16, 2000
Drill Hole into Harrison Mountain (cont.)
• The rock is a rhyolite or aplite porphry
• The rock is very hard with a high percentage of quartz.
• The rock is expected to have a high compressive strength (this will be tested)
• The RQD is quite high, 70 – 100.
• There is no evidence of mineralization
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Drill Hole into Harrison Mountain (cont.)
• There were only a few small fractured zones, not near the UNO area, and no fault zones
• There is very little water, only about 1.5 gpm.
• Due to the hardness and strength, there is some potential for rockbursting when mining. This potential is no greater than what has been experienced at Henderson in the past.
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May 16, 2000
Example of Mineralized Core