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File Created: 30-Apr-1991 by Shielagh N. Banfield (SNB)
Last Edit:  25-Apr-2019 by Karl A. Flower (KAF)

Summary Help Help

NMI
Name DAWN, DAWN 1 Mining Division Kamloops
BCGS Map 092I045
Status Showing NTS Map 092I06E
Latitude 050º 28' 06'' UTM 10 (NAD 83)
Longitude 121º 00' 18'' Northing 5592606
Easting 641577
Commodities Copper, Molybdenum Deposit Types L04 : Porphyry Cu +/- Mo +/- Au
Tectonic Belt Intermontane Terrane Quesnel
Capsule Geology

The Dawn 1 occurrence is located on the south side of Witches Brook and west of Highmont Creek, approximately 1.5 kilometres southeast of Lower (Little) Divide Lake.

The area is underlain by early Jurassic–late Triassic Guichon Creek Batholith Bethsaida phase granodiorite. Skeena variety quartz diorite. It is coarse-grained with varying intensities of argillic alteration. Alteration minerals are sericite and kaolinite.

Locally, drilling has identified trace amounts of chalcopyrite, molybdenite and pyrite. No surface mineralization is described.

In 1980, a drill hole (80-2) yielded an average copper and molybdenum values of 0.05 and 0.009 per cent, respectively from sludge samples taken every 3 metres over 110 metres (Assessment Report 8829).

In 1981, a percussion drill hole (81-1) yielded 0.22 per cent copper over 6.1 metres (Assessment Report 9685).

In 1974, two percussion drill holes were completed on the Hi No. 1 Fraction. In 1975, Lornex Mining Corp. completed 11 percussion drill holes, totalling 774.0 metres, on the Dawn and Lynn claims. In 1976, a 12 line-kilometre ground electromagnetic survey was completed on the Lynn 11-16 claims and two percussion drill holes, totalling 210.0 metres, were completed on the Dawn 6 and 8 claims. In 1978, eight percussion drill holes, totalling 1000.0 metres, were completed on the Dawn claims. In 1980, 20 percussion drill holes, totalling 2127.5 metres, and 1 diamond drill hole, totalling 148 metres, were completed on the Dawn and Bear claims. In 1981, Highmont Corp. completed three percussion drill holes, totalling 174.8 metres, on the Lynn 16 claim. Also at this time, Lornex completed 14 percussion drill holes, totalling 1624.6 metres, on the Dawn, Lynn and Bear claims.

Bibliography
EMPR ASS RPT 5332, 5785, 5835, 6001, 7491, *8829, 9463, *9685
EMPR BULL 56; 62
EMPR EXPL 1979-166; 1980-224
EMPR MAP *30
EMPR PF (Sheba Copper Mines Ltd. [1968-08-26]: Re: Geochemical Survey - Dawn Mineral Claims)
GSC MAP 1010A; 1386A; 42-1989
GSC MEM 262
GSC P 46-8; 47-10
CIM Spec. Vol. 15 (1976), pp. 85-104
Northcote, K.E. (1968): Geology and Geochronology of the Guichon Creek Batholith, British Columbia, Unpublished Ph.D. Thesis, The University of British Columbia
EMPR PFD 10294

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