Location |
NAD 83 |
56° 35' 59.00'' N, 131° 03' 07.00'' W
56.599722, -131.051944
UTM: Easting 374024, Northing 6274714, Zone 9 (North)
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NAD 27 |
56° 35' 59.43'' N, 131° 03' 01.06'' W
56.599841, -131.050294
UTM: Easting 374121, Northing 6274511, Zone 9 (North)
|
NTS |
104B10W, 104B11E |
BCGS |
104B065 |
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Geological Summary |
REGIONAL GEOLOGY CONSISTS OF (LATE PALEOZOIC TO TRIASSIC AGE) METASEDIMENTARY SCHISTS, SLATE AND MARBLE, AND ISOCLINALLY FOLDED BLACK SHALE, ARGIL- LITE, WACKE, CONGLOMERATE AND VOLCANICLASTIC ROCKS OF THE UNUK RIVER FORMATION. THESE ROCKS ARE INTRUDED BY BASALT, GABBRO, GRANODIORITE AND FEL- SITE DYKES, SILLS AND STOCKS OF THE COAST CRYSTAL- LINE COMPLEX. REGIONAL FAULTING IS EXPRESSED IN PARALLEL FOLIATION AND BY THE JEKILL AND BRONSON RIVER VALLEYS. FRACTURES CONTAIN QUARTZ, PYRITE, LIMONITE, EPIDOTE AND CARBONATE, CHALCOPYRITE AND GALENA, TETRAHEDRITE, MALACHITE AZURITE.
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