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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  17-Feb-2015 by Garry J. Payie (GJP)

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NMI 094F16 Cu1
Name BLUE, UPPER, KLU, CUP, ZONE 1, ZONE 2, ZONE 3 Mining Division Liard
BCGS Map 094F100
Status Showing NTS Map 094F16E
Latitude 057º 56' 24'' UTM 10 (NAD 83)
Longitude 124º 07' 19'' Northing 6422581
Easting 433574
Commodities Copper, Silver Deposit Types E02 : Kipushi Cu-Pb-Zn
Tectonic Belt Foreland Terrane Ancestral North America
Capsule Geology

The Blue showings, exposed in Grayling Creek valley, are underlain by Cambrian to Silurian platformal sequence of carbonates, quartzites and siltstones. Lower Cambrian Atan Group dolomites and quartzites are conformably overlain by Cambrian and Ordovician Kechika Group arenaceous dolomites and limestones, which in turn, are conformably overlain by Silurian Nonda Formation siltstones. The Blue showings are made up of three zones called Zone 1, Zone 2 and Zone 3, respectively. Bornite, chalcopyrite and pyrite occur as irregular massive replacement bodies, fracture-fillings, and open space-fillings hosted within recrystallized dolomite and brecciated quartzite of the Atan Group.

Drill hole intersections from Zone 3 give 9 metres of 2.570 per cent copper and 5 grams per tonne silver (Assessment Report 21437).

In 1991 drilling yielded results of 0.22 per cent copper across 45.4 metres including a higher grade section of 1.88 per cent copper across 3.0 metres (Assessment Report 22402). Drilling in 1991 also showed that the copper mineralization persists downdip along the structural zone for a minimum 36.6 metres and along strike at depth for 42.7 metres.


During the 1970s, there was a great deal of interest in the Kluachesi- Tuchodi Lakes region. Windermere Explorations, McIntyre Porcupine Mines, Canadian Superior, and others staked claims around the Blue Group of McIntyre. The McIntyre property had been optioned from a prospecting group from Fort Nelson in late 1970.

McIntyre Porcupine acquired a total of 356 claims including the Blue Group in 1970 and 1971. Geochemistry, geophysics, geological mapping, trenching, sampling and over 1650 metres of diamond drilling in 36 holes were completed. Sixteen kilometres of IP outlined a 'Y' shaped anomaly. Two drill holes (2B, 3B) within this anomalous zone intersected 7.6 vertical metres of 2.5 to 3 per cent copper (Geology, Exploration and Mining in BC 1971). The remaining holes failed to indicate any appreciable values. According to Gold Parl Hole 2B was drilled on Zone 3 of the Upper showing.

Reconnaissance geological mapping and rock sampling were carried out in 1984 on the Cup claims on behalf of E5 Resource Corporation. Thirty grab samples were collected from trenches and copper showings, seventeen of which yielded values of up to 4 per cent copper with associated silver values to 80 grams per tonne (Assessment Report 12594).

In 1986, the area was appraised for New Holland Mining N.L. by Dr. C.J. Westerman. He concluded that copper-silver mineralization occurs in an area covering 4.5 by 0.75 kilometres. In 1989, a prospecting assessment and valuation of the property was carried out on behalf of Atlas Management Canada Inc.

In 1990, Gold Parl Resources resampled trenches and established an 8.6 line-kilometre grid for VLF-EM and magnetometer surveys on their Klu claims. VLF-EM results outlined several weak northeast trending anomalies interpreted to represent fault and shear structures. The magnetometer survey did not indicate any anomalies. Channel sampling across copper mineralized structures yielded 1.07 per cent copper across 2.5 metres and 5.36 per cent copper across 1.5 metres (Assessment Report 21437). Readers are referred to the 1990 Gold Parl assessment report and the figures contained therein for a review of all the nine zones along Grayling Creek the comprised the Klu property. These include MINFILE occurrences Blue (094F 005), Grayling (094F 012), Waterfall (094F 014), Atan Copper (094F 028) and Grayling Creek (094F 029).

In 1991, Gold Parl Resources conducted 1991 diamond drilling on their Klu Claims that consisted of 397.7 metres of BQ diamond drilling in 5 drillholes at 2 nearby locations on the Upper showing (consisting of zones 1, 2 and 3) of the Blue occurrence (094F 005). The 1991 program confirmed the downdip continuity of this enrichment along a 42.7 metre strike length. The 1991 drill assessment report (22402) indicates that Lower showing is the Grayling occurrence (094F 012) consisting of zone 4.

EMPR GEM 1970-62; 1971-72,75
EMPR ASS RPT *12594, *19124, *21437, *22402
GSC OF 606
GSC P 79-1A, p. 228