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File Created: 13-Jul-1988 by Larry Jones (LDJ)
Last Edit:  27-Mar-2022 by Nicole Barlow (NB)

Summary Help Help

NMI
Name SOUTH PICTOU, SP Mining Division Skeena
BCGS Map 104B010
Status Prospect NTS Map 104B01E
Latitude 056º 02' 43'' UTM 09 (NAD 83)
Longitude 130º 00' 53'' Northing 6211583
Easting 436789
Commodities Gold, Silver, Lead, Zinc, Copper Deposit Types G07 : Subaqueous hot spring Ag-Au
G06 : Noranda/Kuroko massive sulphide Cu-Pb-Zn
I02 : Intrusion-related Au pyrrhotite veins
Tectonic Belt Insular Terrane Stikine
Capsule Geology

The South Pictou prospect is located south of the main Premier deposit, 22 kilometres north of Stewart, B.C. offset to the east across an east-west fault between Fletcher and Logan creeks. This zone is possibly related to the Pictou vein (104B 156). For a more detailed geological description and bibliography refer to the Silbak Premier Mine (104B 054).

The property is located in the Intermontane Belt, bounded on the west by the Coast Crystalline complex and on the east by the Bowser Basin, in the volcanic arc assemblage of the Stikinia Terrane.

Mineralization is hosted by Upper Triassic to Lower Jurassic andesite flows, breccia and lapilli tuff, correlated with the Hazelton Group, Unuk River Formation. The Hazelton Group is a northwest trending belt of folded metavolcanic rocks containing a thick sequence of argillites and siltstones infolded along a synclinal axis.

The andesite, at least 750 metres thick, is intruded by Early Jurassic Texas Creek plutonic suite porphyries and is unconformably overlain by volcaniclastic and epiclastic rocks. The potassium feldspar porphyry (historically known as the "Premier Porphyry") is spatially associated with the mineralization; this relationship is thought to indicate a Lower Jurassic age for mineralization.

Mineralization in the area is predominantly discordant but locally concordant with the moderately northwest-dipping andesite flows, breccias and dacite flows.

The South Pictou mineralization is believed to be associated with the steeply northwest-dipping, "Northeast" or "Main" zone of the Silbak Premier Mine.

Mineralization in the area occurs as fine disseminations, narrow discontinuous veins and breccia infillings. Mineralization in the Pictou vein, slightly north of this showing, consists mainly of narrow discrete quartz veins rich in base metals. The Pictou vein averages 6.0 metres in width.

Ore minerals include pyrite, galena, sphalerite, and tetrahedrite. Gangue minerals are quartz, potassium feldspar, chlorite, carbonate and others.

Hydrothermal alteration zones related to the mineralizing system in the area are represented by a proximal silicification/quartz stockwork and potassium feldspar and/or sericite facies potassic alteration. Peripheral to mineralization is a propylitic alteration assemblage of carbonate, chlorite and pyrite.

A grab sample from trench #2 in 1986 assayed 2.5 grams per tonne gold and 266.7 grams per tonne silver (Assessment Report 15762).

Bibliography
FOR AN EXTENSIVE BIBLIOGRAPHY ON SILBAK PREMIER MINE SEE 104B 054
EMPR ASS RPT *15762, 31489, *32357
EMPR EXPL 1980-459
GSC P 89-1E, pp. 145-154
Christopher, P.A. (2009-08-03): Technical Report on the Premier Gold Project
Kirkham, G. (2012-06-18): Technical Report on the Resource Estimate for the Premier Gold Property
Kirkham, G. (2012-08-20): Revised Technical Report on the Resource Estimate for the Premier Gold Property
Puritch, E. (2013-03-27): Technical Report and Resource Estimate for the Big Missouri and Martha Ellen Deposits, Premier Gold Property
Rennie, D.W. (2018-06-22): Technical Report on the Premier-Dilworth Project
Rennie, D.W. (2019-01-17): Technical Report on the Premier Project
Bird, S.C., Meintjes, T. (2020-02-28): Resource Estimate Update for the Premier Gold Project, Stewart, British Columbia, Canada
Ascot Resources Limited (2020-05-22): Premier & Red Mountain Gold Project Feasibility Study NI 43-101 Technical Report, British Columbia

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