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File Created: 24-Aug-2017 by Karl A. Flower (KAF)
Last Edit:  07-Sep-2017 by Karl A. Flower (KAF)

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NMI
Name MAC 3-4, BLUFF VEIN, AUFEAS Mining Division New Westminster
BCGS Map 092H033
Status Showing NTS Map 092H06W
Latitude 049º 20' 43'' UTM 10 (NAD 83)
Longitude 121º 28' 54'' Northing 5466949
Easting 610283
Commodities Gold Deposit Types I01 : Au-quartz veins
Tectonic Belt Coast Crystalline Terrane Plutonic Rocks
Capsule Geology

The Mac 3-4 (Bluff vein) occurrence is located on Wardle Creek, a tributary of Silverhope Creek, approximately 3 kilometres south-southwest from its junction with the Fraser River.

The area is underlain by a large body of quartz diorite of the Cretaceous Spuzzum pluton, near its contact with and intrusion of younger Oligocene quartz diorite and granodiorite.

Locally, a quartz vein (Bluff vein) hosts arsenopyrite mineralization. In 1986, diamond drilling (holes S86-2, 3 and 4) yielded up to 16.6 grams per tonne gold over 1.2 metres (Assessment 15872).

The area has been historically explored in conjunction with the nearby Aufeas (MINFILE 092HSW036) occurrence. In 1982, the area was prospected as part of the June Extension claim. In 1983, a program of prospecting, soil sampling and five diamond drill holes, totalling 120.09 metres, were completed on the area as the Hunter Group. During 1984 through 1986, Silver Cloud Mines completed programs of rock, silt and soil sampling, 55 metres of underground development and twelve diamond drill holes, totalling 913.7 metres, on the area as the Hunter and Mac claims. In 1996, the area was prospected as the S.C. 1 claim. In 2015, the area was prospected by D. Hunchuck.

Bibliography
EMPR ASS RPT 11029, 11656, *15872, 24797, 35900
EMPR EXPL 1987-C170
EMPR GEM 1970-250; 1972-116; 1973-132; 1974-113
EMPR INDEX 3-188, 214
EMPR PF (Arnold, T.E. (1936): Aufeas Mine - Plan of Workings; Arland, A.J. (1937): Preliminary Report, Aufeas Mine; Arland, A.J. (1937): Report on the Aufeas Mine; *Dolmage, V. (1938): The Aufeas Gold Deposit; Starr, C.C. (1939): Report on the Aufeas Mine, 5 p.
GSC MAP 737A; 1069A; 12-1969; 41-1989
GSC MEM *139, p. 148
GSC P 69-47
GSC SUM RPT 1920A, p. 35
GCNL #201, 1983; #18,#45,#148, #172 1985; #5, 1986

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