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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  15-Apr-2021 by Nicole Barlow (NB)

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NMI 093N9,10 Ag1
Name FAIRVIEW Mining Division Omineca
BCGS Map 093N068
Status Prospect NTS Map 093N10E
Latitude 055º 40' 34'' UTM 10 (NAD 83)
Longitude 124º 29' 54'' Northing 6171050
Easting 405776
Commodities Gold, Silver, Copper Deposit Types I05 : Polymetallic veins Ag-Pb-Zn+/-Au
Tectonic Belt Omineca Terrane Quesnel, Cassiar, Slide Mountain
Capsule Geology

The Fairview occurrence is located approximately 0.5 kilometres northwest of the settlement of Manson Creek. Regionally, this occurrence lies within the northwest-striking, right-lateral Manson fault zone, which in the immediate area separates Middle Triassic to Lower Jurassic Takla Group rock from the Pennsylvanian to Permian Manson Lakes ultramafites. During the mid 1980s, the region was held under the Dog claims group by Chevron Canada Resources Limited and geochemical sampling was undertaken on the claims. In 1981, Golden Rule Resources Limited held the Flume and OPEC (Blackhawk occurrence) claims adjacent to the Fairview occurrence.

The Fairview occurrence is a northwest-striking quartz vein ranging from 1 to 3 metres in thickness with a known strike length of 48 metres. It is found within rocks of the Manson Lakes ultramafites and the Middle to Upper Triassic Slate Creek Formation (Takla Group). Rock types within the fault zone are serpentinite, mafic volcanics, gabbro and graphitic argillite.

The vein is massive, white and contains disseminated blebs of pyrite, chalcopyrite and tetrahedrite with related malachite and azurite staining. The vein has a strike of 155 degrees and dips 85 degrees to the east. Smaller quartz veins strike perpendicular to this into the country rock. Free gold has been reported from this vein. Mafic volcanics found on each side of the vein are highly carbonatized, silicified and sheared in the vicinity of the vein with the production of large ankerite porphyroblasts and associated mariposite. Highly altered wallrocks contain high concentrations of gold and silver.

The highest gold value obtained from this vein was approximately 14.8 grams per tonne (Assessment Reports 16602, 20279) and silver values range up to 78 grams per tonne (Assessment Report 16602).

Work History

In 1972, Sullivan & Rodgers conducted an induced polarization survey in the Manson Creek area.

In 1980, Golden Rule Resources Ltd. explored its Opec 1-10 claim group. Geological mapping, geochemical sampling, ground magnetic surveying, and ground very low frequency electromagnetic surveying were carried out over a grid area and 1022 soil samples and 35 rock samples were collected. The grid area was in the Discovery Bar (MINFILE 093N 063) area.

In 1982, Golden Rule Resources Ltd. added 6.2 line-kilometres to an existing grid for a total 32.5 line-kilometre. A grid totalling 84.8 line-kilometre was chained and flagged on the OPEC 4-9 claims; 990 soil samples were collected, and a ground magnetic survey was conducted.

In 1987, Chevron Minerals Ltd. conducted a geological mapping program and soil and rock geochemical sampling on the Fair claim. Detailed trench mapping and sampling was carried out in the Fairview showing.

In 1988, Chevron Minerals Ltd. excavated and sampled 13 trenches and completed a very low frequency electromagnetic survey along 5.1 line-kilometres of grid on the Fair claim with the goal of establishing width and along-strike extent of the mineralized vein. A total of 101 rock samples were taken from trenching and highly anomalous gold was reported in quantities up to 11.9 grams per tonne (Assessment Report 18012).

In 1990, Robert M. Cann completed a 6.5 line-kilometre magnetic survey on the Slate 3 claim, which outlined a strong linear, northwest-trending magnetic anomaly.

In 2017, Angel Jade Mines Ltd. carried out a field program with the intention of locating hard-rock sources of placer gold, and to determine if gold and base metal anomalies within the listwanite exposures could be used as a vector to high-grade mineralization. The field program focused on three regions within the Manson Creek area: the Big Bend area near the southern extent of the claim group, the Gary’s Pit area within the eastern extent of the claim group and the Blackjack Creek area within the northern extent of the claim group. Between the three regions, a total of 62 rock samples were collected and assayed. The assays returned no values of economic interest and it was suggested that future exploration would benefit from structural mapping in locating the quartz-vein–hosted coarse gold.

Bibliography
EMPR AR 1933-113; 1938-C12
EMPR ASS RPT 4246, 8956, 10746, *16602, *18012, 20279, 37244
EMPR BULL *91
EMPR EXPL 1980-360; 1982-319; 2002-13-28
EMPR FIELDWORK 1987, pp. 169-180; 1988, pp. 209-220
EMPR GEM 1973-368
EMPR OF 1988-12b; 1989-12
EMPR PF Chevron (Unknown (1987): Trench sketches, plan view; Chemex Labs Ltd. (1987): Certificates of Analysis - A871780 - Fairview; Chevron Canada Resources Ltd. (1987): Field notes and sample form notes; Chevron Canada Resources Ltd. (1987): Field notes and sample form notes II - Fair claims; Unknown (1987): Field Notes - Fairview showing; Chemex Labs Ltd. (1987): Certificate of Analysis - A8720440 - Fairview; Chemex Labs Ltd. (1987): Certificate of Analysis - A8720441 - Dog; Chevron Canada Resources Ltd. (1987): Fair field map with hand-drawn geology; Chevron Canada Resources Ltd. (unknown): Fair claim map; Unknown (1987): Manson Creek and Fair rock sample descriptions; Azimuth Geological Inc. (1988): Property Submission - Summary Report on the Jim and Slate Claims, Manson Creek; Chevron Canada Resources Ltd. (1987): JB Fair soils analyses)
GSC MAP 876A; 907A; 971A; 1586G; 5249G
GSC MEM 252, pp. 131,180
GSC P 41-5; 45-9; 75-33

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