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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  09-Jun-2020 by Nicole Barlow (NB)

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NMI 082M1 Zn2
BCGS Map 082M018
Status Developed Prospect NTS Map 082M01W
Latitude 051º 07' 30'' UTM 11 (NAD 83)
Longitude 118º 24' 44'' Northing 5664674
Easting 401174
Commodities Zinc, Lead, Silver Deposit Types S01 : Broken Hill-type Pb-Zn-Ag+/-Cu
E14 : Sedimentary exhalative Zn-Pb-Ag
E13 : Irish-type carbonate-hosted Zn-Pb
Tectonic Belt Omineca Terrane Monashee
Capsule Geology

The River Jordan (King Fissure) deposit is located on the north eastern slopes of Mount Copeland, approximately 22 kilometres north west of Revelstoke.

The area lies on the southern flank of the Frenchman Cap Dome, which is part of a series of gneissic domal structures along the eastern margin of the Shuswap Metamorphic Complex. The core granite gneiss rocks are overlain by a heterogeneous paragneiss assemblage of calc-silicate gneiss, pelitic gneiss, quartzite and marble of probable Proterozoic or lower Paleozoic age. The paragneiss succession hosts the stratabound deposit.

The deposit generally consists of a layer of sulphides less than 1 metre to 6 metres in thickness within the calc-silicate gneiss. The sulphide-rich layer consists most commonly of a fine-grained intimate mixture of sphalerite and pyrrhotite with conspicuous eye-shaped lenses of grey, watery quartz and scattered grains of pyrite and galena. Locally it is well layered and includes minor pods and lenses of calc-silicate gneiss, schist, marble or barite (Hoy, 1982). The layers are folded and metamorphosed along with the country rock. Gem-quality green spinel is also reported in the area along with a carbonatite layer hosting minor light rare earth element values.

A number of mineralized zones have been identified over an area of approximately 2.5 kilometres long by 0.8 kilometre wide and include the Camp Fault zone, the North West Limb-Lake zone, the South Limb-Cliff zone, the North East Limb-Waterfall zone, the East zone, the West zone and the Peak zone.

The Camp Fault zone consists of a north-south– trending, east- dipping, dextral fault cutting bedded marble, gneiss, schists, calc-silicates, extrusive carbonatite tuffs and breccias with strata-form sulphides and barite. The zone has been intruded by Tertiary biotite lamprophyre dike swarms. The mineralization consists of coarse-grained, sheared galena with minor sphalerite and chalcopyrite associated with oxidization and silicification. In 1990, a grab sample (JLR-7) from a 30- centimetre wide pod of massive galena assayed 0.132 per cent zinc, 63.4 per cent lead and 461 grams per tonne silver (Assessment Report 20513). The following year, a grab sample (CF-1) assayed 79.20 per cent lead, 1.22 per cent zinc and 132.0 grams per tonne silver (Assessment Report 22029).

The North West Limb-Lake zone consists of a 30 to 50- centimetre thick extension of the sulphide horizon exposed over 400 metres in a calc-silicate marble layer in a micaceous porphroblasitic schist and associated lamprophyre dikes with ankerite stock works. Sulphide mineralization includes galena, sphalerite, gahnite and greenockite. In 1990, a grab sample (JLR-11) assayed 25.2 per cent lead, 15.2 per cent zinc and 357 grams per tonne silver (Assessment Report 20513). In 2008, a 1.0- metre channel sample assayed 3.02 per cent lead and 4.23 per cent zinc (Assessment Report 30374).

The South Limb-Cliff zone consists of a 1.5- metre to greater than 3- metre thick sulphide layer hosted in a contorted calc-silicate marble layer in grey schists and gneiss. Sulphides consist of massive pyrrhotite with lesser galena, sphalerite, pyrite and chalcopyrite with possible barite concentrated near the base of the unit. In 1990, a grab sample (JLR-14) assayed 19.7 per cent lead, 15.45 per cent zinc and 239 grams per tonne silver (Assessment Report 20513). The following year, a 1.0- metre chip sample (CZ-1) assayed 29.80 per cent lead, 25.70 per cent zinc and 324.0 grams per tonne silver (Assessment Report 22029). In 2008, a 3.5- metre channel sample assayed 9.06 per cent lead, 10.37 per cent zinc and 58 grams per tonne silver (Assessment Report 30374). In 2015, a diamond drill hole intercepted 4.01 per cent lead, 11.60 per cent zinc and 33.8 grams per tonne silver over 1.48 metres (Assessment Report 35931).

The North East Limb-Waterfall zone consists of three parallel sulphide layers 0.5 to 1 metre thick in a calc-silicate marble and schist. Sulphide mineralization includes galena, sphalerite and pyrrhotite associated with quartz, calcite and barite. In 1990, a grab sample (JLR-19) of coarse galena assayed 75.5 per cent lead and 663 grams per tonne silver, while another grab sample (JLR-17) from a shallow adit assayed 21.68 per cent lead, 5.47 per cent zinc and 82 grams per tonne silver (Assessment Report 20513). The following year, a 1.0- metre chip sample (NEZ-3) assayed 14.20 per cent lead, 0.19 per cent zinc, 78.8 grams per tonne silver and 43.53 per cent barium (Assessment Report 22029). In 2008, a 0.5- metre channel sample assayed 2.19 per cent lead, 2.75 per cent zinc and 19 grams per tonne silver (Assessment Report 30374). In 2008, a 2.4- metre channel sample assayed 12.79 per cent lead, 0.18 per cent zinc and 71 grams per tonne silver (Assessment Report 30374).

The East zone consists of massive sulphide layers from 0.5 to 1.0 metre thick. Sulphides include primarily sphalerite and galena with lesser pyrrhotite and pyrite in a siliceous matrix. In 1991, a 1.0- metre chip sample (EZG-4) assayed 46.70 per cent lead, 3.65 per cent zinc and 375.0 grams per tonne silver (Assessment Report 22029). In 2008, a 3.0- metre channel sample assayed 5.25 per cent lead, 0.99 per cent zinc and 43 grams per tonne silver (Assessment Report 30374).

The West zone consists of a 2 to 4- metre thick zone mineralized with galena, sphalerite, pyrite and pyrrhotite with quartz, calcite and barite in a contorted calc-silicate marble layer. In 1990, a grab sample (JLR-25) assayed 15 per cent lead, 2.43 per cent zinc, 89 grams per tonne silver and 23 per cent barium (Assessment Report 20513). In 1991, two chip samples (WZ-1 and WZ-2) assayed 1.20 and 8.10 per cent lead, 11.35 and 1.70 per cent zinc, 15.7 and 68.8 grams per tonne silver with 0.89 and 40.92 per cent barium over 2.0 and 2.6 metres, respectively (Assessment Report 22029). In 2008, a 5.0- metre channel sample assayed 3.4 per cent lead, 2.4 per cent zinc and 27 grams per tonne silver (Assessment Report 30374).

The Peak zone, consists of a 2.0- metre thick semi-massive to massive sulphide layer bounded by 1.0- metre wide gneissic layers hosting disseminated sulphides. In 2008, a 2.0- metre channel sample assayed 1.2 per cent lead, 4.5 per cent zinc and 14 grams per tonne silver, while another channel sample (802RGB108) a short distance to the west assayed 8.19 per cent lead, 21.46 per cent zinc and 91 grams per tonne silver over 1.0 metre (Assessment Report 30374).

In 1989, re-sampling of the No. 1 zone returned average values of 8.5 per cent zinc, 8.2 per cent lead and 72 grams per tonne silver from 18 samples (George Cross News Letter #226, 1989).

In 1961, a measured geological reserves of 2,605,826 tonnes grading 37.7 grams per tonne silver, 5.1 per cent lead and 5.6 per cent zinc at 10 per cent dilution was reported (Canadian Institute of Mining and Metallurgy Transactions 1961, page 272). A deep drill hole made since this calculation was made indicates a much greater potential (Bulletin 57, page 48). In 1991, a potential resource of 20,000,000 tonnes averaging 7.5 per cent lead, 7.5 per cent zinc and 100 grams per tonne silver was reported (Assessment Report 25173).

The area has been explored since the mid-1950s, in conjunction with the nearby Mount Copeland (MINFILE 082M  002) molybdenite mine. In 1955 and 1956, American Standard Mines completed a series of open-cuts on the area. In 1958, Bunker Hill Exploration completed a program of trenching, bulk sampling and metallurgical testing. In 1963, Jordan Mines and Bralorne Pioneer Mines completed five diamond drill holes, totalling 1478.7 metres. In 1965 and 1966, a further seven holes, totalling 3283.5 metres, were completed. In 1980, Brenda Mines prospected and soil sampled the area as the Bon claims. In 1990 and 1991, First Standard Mining completed programs of rock, soil and silt sampling, geological mapping and ground geophysical surveys on the area as the Copeland claims. In 1997, the area was prospected as the Riley claims by Canadian Sapphire Corporation. During 2008 through 2015, Silver Phoenix Resources completed programs of rock and soil sampling, geological mapping, a 3.8 line-kilometre ground electromagnetic survey, a 111.0 line-kilometre airborne electromagnetic survey and one diamond drill hole, totalling 494.0 metres, on the area.

EMPR AR 1895-691; 1896-537; 1898-1060; 1956-114; 1958-53; 1963-86;
1965-204; 1966-229; 1968-262
EMPR ASS RPT 8752, *20513, *22029, *25173, *30374, 31754, 34504, 35931
EMPR BULL *57, pp. 7-10,28-30,40-48; 80, p. 85
EMPR EXPL 1980-137,138
EMPR FIELDWORK 1978, pp. 27-30; 2000, pp. 85-114
EMPR MAP 43; 65 (1989)
EMPR OF 1992-1; 1998-10; 2000-22
EMPR PF (Fyles, J.T.; McCammon, J.W. (1969): Mineral Resources -
Revelstoke Area in T. Hoy, Pers. Files, pp. 2,8; Statement of
Material Facts, Aug. 16, 1988, First Standard Mining Ltd.)
EMR MP CORPFILE (Bralorne Resources Limited; Pacific Petroleums Ltd.;
The Bunker Hill Company; Pioneer Gold Mines of B.C., Limited;
Golden Standard Mines Limited; American Standard Mines Ltd.;
Consolidated Standard Mines Ltd.; Bralorne Pioneer Mine Ltd.)
GSC BULL 265, Fig. 14
GSC EC GEOL 1, p. 506
GSC MAP 4404G; 12-1964
GSC P 64-32, pp. 5,29; 81-1A, pp. 33-36
CANMET IR May 1961, No. 61-40 (Flotation of Silver-Lead-Zinc Ore from
Jordan River Mines Property for Bralorne Pioneer Mines Limited)
CIM Special Volume *64, pp. 268-272 (Riley, C. 1961); Special Volume
8, pp. 231-237 (Fyles, J.T. 1966)
CIM *Vol.75, No.840, pp. 115,119,121-123 (Hoy, T. 1982)
ECON GEOL Vol.79, No.5, pp. 790,791 (Hoy, T., Gibson, G. and Berg,
N.W. 1984)
GAC Special Paper 6, pp. 87-98 (Fyles, J.T. 1970)
GCNL #68(Apr.10),#226, 1989; #226(Nov.22), 1990; #63(Apr.2), 1991
W MINER Oct. 1956, Vol.29, p. 128
Placer Dome File
Carpenter, T. (2007-11-07): Technical Report on Exploration Programs and Results on the River Jordan Property.