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File Created: 31-Jan-2013 by Karl A. Flower (KAF)
Last Edit:  13-Jul-2022 by Del Ferguson (DF)

Summary Help Help

NMI
Name HISNIT NORTH Mining Division Alberni
BCGS Map 092E078
Status Showing NTS Map 092E10E
Latitude 049º 44' 41'' UTM 09 (NAD 83)
Longitude 126º 31' 46'' Northing 5513178
Easting 677984
Commodities Iron, Copper Deposit Types
Tectonic Belt Insular Terrane Wrangell
Capsule Geology

The Hisnit-North occurrence is located on the western shore of Hisnit Inlet, Nootka Sound, approximately 35 kilometres west of the town of Gold River.

The Hisnit North Showing is an extensive (~200 m long) road-cut exposure of epidote- and hematite-altered volcanic rocks that features local centimeter-scale fractures and quartz veinlets that host pyrite, chalcopyrite, and malachite mineralization.

The area is underlain by metamorphic rocks of the Paleozoic to Jurassic West Coast Crystalline Complex. To the north, a northwest trending graben structure contains a northeast striking and northwest dipping stratigraphic succession of Triassic Quatsino limestone, Triassic Parson Bay Formation sediments and Jurassic Bonanza Formation volcanics. The graben structure and other rocks in the area are intruded and possibly underlain by granodiorite stocks and sills of both the Jurassic Island Plutonic Suite and the Eocene Mount Washington Plutonic Suite.

Locally, a 0.1 metre thick magnetite-copper skarn vein, striking 075 degrees and dipping 90 degrees, is exposed over 2 metres. Sulphides included magnetite, pyrite and chalcopyrite as blebs and disseminations.

From 2006 to 2008, D. Berkinshire completed programs of prospecting and rock geochemical sampling. From 2009 to 2011, Compliance Energy completed programs of geological mapping, geochemical surveys and airborne geophysical surveys. A chip sample (201386) of skarn material had reported assay values of 4897 parts per million copper, 48.25 parts per million iron (Assessment Report 31749).

In 2020 rock sampling and geological mapping in the area of Hisnit North and Hisnit South showings was conducted for Mirva Properties Ltd. Samples from the Hisnit North showing returned anomalous copper values up to 1.05 per cent. Two samples of anomalous copper concentrations of 0.21 per cent Cu and 0.24 percent Cu were gathered from gossanous rocks on a new logging road west and south of the Hisnit North Showing.

Bibliography
EMPR ASS RPT 28386, 29909, *31749, 32165, 32853, *39454
EMPR OF 2017-8, 9p
EMPR P 2005-1
GSC P 68-50, 80-16

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