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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  13-Jan-2025 by Del Ferguson (DF)

Summary Help Help

NMI
Name CHILI, PUNT, PUNT 1-6 Mining Division Cariboo
BCGS Map 093C040
Status Showing NTS Map 093C08E
Latitude 052º 18' 32'' UTM 10 (NAD 83)
Longitude 124º 01' 39'' Northing 5795892
Easting 429949
Commodities Gold, Silver, Copper Deposit Types H05 : Epithermal Au-Ag: low sulphidation
Tectonic Belt Intermontane Terrane Stikine
Capsule Geology

The CHILI showing is located in the Chilcotin Plateau, 2.5 kilometres south of Chilcotin Lake, and approximately 130 kilometres west of Williams Lake.

The area is underlain by the Hazelton Group, which has been largely covered by Lower Tertiary volcanic rocks of the Ootsa Lake Group, Miocene plateau basalt and Pleistocene glacial sediments. Intruding the Hazelton Group are several complexes of diorite, granodiorite and migmatitic rocks.

The showing is underlain by mafic to intermediate auto-brecciated and non-brecciated hornblende-pyroxene lavas of the Hazelton Group, intruded by feldspar and quartz-feldspar porphyry dikes. The volcanic rocks have been subdivided into an unaltered phase, an epidotized phase and a quartz-altered phase. Chalcedonic quartz stringers occur in, and parallel to, shear zones within the silicic-altered phase of the volcanics.

Mineralization consists of argentiferous and auriferous chalcopyrite in low temperature banded quartz veins and the chalcedonic stringers. Secondary malachite and azurite are also present in these quartz veins. Minor pyrite and chalcopyrite occur within the porphyry dikes. The shear zones strike between 50 and 100 degrees with an 80 degree north to vertical dip.

There are three zones of interest: the Chili zone, the Rose zone (on the Punt claim) and the untested Birthday zone (on the Punt 6 claim).

The Chili zone is a northeast-trending set of quartz veins (up to 1 metre wide) and stockworks (up to 4.5 metres wide). These crosscut conglomerate, siltstone and lapilli tuffs. A sample of vuggy quartz-veined conglomerate assayed 19.1 grams per tonne gold and 574.5 grams per tonne silver (Sample CV-139-15, Assessment Report 19230). This zone has an inferred length of approximately 90 metres.

The Rose zone, also northeast-trending, consists of intensely silicified and quartz-veined tuffs. The highest sample from subcrop assayed 0.96 grams per tonne gold and 24 grams per tonne silver (Assessment Report 19230). The Rose zone is 140 metres long and 10 metres wide.

The Birthday zone is approximately 3 kilometres southwest of the Chili zone and projects toward it along strike. This zone consists of intensely silicified clay and potassically altered volcaniclastic and possibly sedimentary rocks. Several anomalous sites in the Birthday zone have a northeast alignment similar to the Chili zone.

In 1982, Newmont Exploration of Canada Ltd. staked the claims and performed soil geochemical surveys, mapping and trenching. In 1983, Newmont Exploration of Canada Ltd. completed soil geochemical surveys, trenching and mapping. In 1986, Newmont Exploration of Canada Ltd. carried out geophysical surveys. The claims were re-staked as the Punt claims by Northair Mines Ltd. in 1988 and 1989. In 1989, Northair Mines Ltd. conducted mapping, prospecting, biogeochemical sampling, trenching and geophysical surveys.

In 2007, Ranex Exploration Ltd. completed an exploration program of prospecting and geochemical soil sampling. Highlights of the sampling include grab sample C126733, which assayed 8.69 grams per tonne gold, and sample C126739, which assayed 7.02 grams per tonne gold (Assessment Report 30174). In 2008, Golden Arch Resources Ltd. drilled a single diamond drill hole in the Chili zone to a depth of 105.5 metres. Highlights include a 0.76 metre section that assayed 0.45 gram per tonne gold and 37 grams per tonne silver (Assessment Report 31025).

In 2011, Ranex Exploration Ltd. completed a geochemical soil sampling survey. A program of soil (till) and rock sampling was completed for B. Kreft to test for a possible southwest extension of the Chili zone in 2017. Thick, hardpan tills hindered the sampling. Of 53 soils obtained, only two returned anomalous gold values of 0.040 and 0.034 gram per tonne.

Bibliography
EMPR ASS RPT *11685, 15162, *19230, *30174, *31025, 33425, 37067
EMPR EXPL 1983-401; 1986-C323; 2002-13-28
EMPR FIELDWORK 1992, pp. 483-490
GSC MAP 1424A; 1202A; 10-1957
GCNL #102, 1989

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