Detailed Summary Report
Assessment Report: 16778
| Property Name |
Island Copper 16778.pdf |
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| Location |
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| Mining Divisions | Nanaimo | |||||||||
| Mining Camp | Island Copper Area | |||||||||
| Title | BHP-Utah Mines Ltd. Island Copper Mine 1987/88 Fame Drilling Report | |||||||||
| Report Year | 1988 | |||||||||
| Number of Pages | 269 | |||||||||
| Statements of Work | n/a | |||||||||
| Affidavit Date | 1988-03-31 | |||||||||
| Off Confidential | 1989-03-31 | |||||||||
| Claims | M 34 | |||||||||
| General Work Categories | Drilling | |||||||||
| Operators |
BHP-Utah Mines |
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| Owners |
BHP-Utah Mines |
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| Authors |
Fleming, J.A. Burt, P.D. |
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| MINFILE Nos | ||||||||||
| Commodities | Copper | |||||||||
| Work Done |
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| Keywords | ||||||||||
| Related Report(s) | 15707, 13536, 13346, 12271, 11366, 9305, 8150, 7427, 5265, 738, 731, 710 | |||||||||
| File(s) |
16778.pdf |
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| Geological Summary |
Lower Jurassic Bonanza Group andesitic-rhyodacitic pyroclastic rocks and Jurassic quartz-feldspar porphyry intrusives underlie the Bay Lake area. To the north of the lake the volcnaic rocks are underlain by southward dipping Upper Triassic Parsons Bay Formation calcareous siltstone with interbedded shales and andesitic and cherty tuffs, and limestone with shaly interbeds, the Upper Triassic Quatsino Formation limestone and Karmutsen Formation amygdaloidal basalt flows. Strong hydrothermal alteration and associated low grade disseminated chalcopyrite occur.
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