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File Created: 16-Feb-2012 by George Owsiacki (GO)
Last Edit:  09-Apr-2012 by George Owsiacki (GO)

Summary Help Help

NMI
Name HIT, HASTINGS ARM Mining Division Skeena
BCGS Map 103P084
Status Showing NTS Map 103P14W
Latitude 055º 50' 24'' UTM 09 (NAD 83)
Longitude 129º 21' 23'' Northing 6188332
Easting 477686
Commodities Gold, Silver Deposit Types I01 : Au-quartz veins
Tectonic Belt Intermontane Terrane Stikine, Bowser Lake
Capsule Geology

The Hit showing is located west of Willoughby Creek, about 40 kilometres southeast of Stewart.

The central area of the showing area is underlain by a sequence of interbedded wacke, shale and siltstone beds of the Middle-Upper Jurassic Hazelton Group. Thick bedded wacke forms prominent, blocky weathering ridges and constitutes the majority of outcrops observed. Local carbonate alteration is common, associated with tensional quartz veins. These quartz veins are vuggy and contain minor ankerite, usually as selvages. Shale and siltstone are recessive and are generally only seen in creek bottoms and rock cuts. The shale normally contains trace disseminated pyrite, but pyrite is abundant locally, up to 2-3 per cent as lenses along foliation. Bedding appears to form a gently northwest to west dipping sequence in the area. Minor, broad folding is evident of both beds and quartz veins. There is a shallow southwest cleavage visible in outcrop, at an acute angle to bedding. The structures suggest east-verging folds and given the flat cleavage, the folding could be related to east-directed thrust faults.

Tensional quartz veins are common in the wacke unit and tend to pinch out in the less competent shale and siltstone beds. The tensional veins show a range of strike directions from northwest to northeast. No significant mineralization was observed in these veins. There is quartz veining in shale and one of these veins, with lenses and disseminations of pyrite, yielded 0.134 gram per tonne gold and 2 grams per tonne silver (Assessment Report 31420). The vein strikes 356 degrees, dips 66 degrees east and occurs along a lineament where the creek changes direction and could be related to a through-going structure rather than tensional forces.

In 2009, MAX Minerals Ltd. carried out a program of geological mapping, prospecting and silt sampling on their Hastings Arm Project which covers the WKR, BF and Hit blocks of claims.

Bibliography
EMPR ASS RPT 31418, *31420
EMPR BULL 63
EMPR FIELDWORK 1988, pp. 233-240; 1990, pp. 235-243; 2005, pp. 1-4
EMPR MAP 8
EMPR OF 1986-2; 1994-14
GSC MAP 1385A
GSC OF 864; 2931

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