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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  06-Apr-2021 by Nicole Barlow (NB)

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NMI 093N1 Cu1
Name TAYLOR, MITZI, BUZ, TAY, AL, CHOO Mining Division Omineca
BCGS Map 093N018
Status Showing NTS Map 093N01W
Latitude 055º 07' 01'' UTM 10 (NAD 83)
Longitude 124º 25' 20'' Northing 6108729
Easting 409291
Commodities Copper, Gold Deposit Types K01 : Cu skarn
K04 : Au skarn
Tectonic Belt Intermontane Terrane Quesnel
Capsule Geology

The Taylor occurrence is located in a northeast-flowing tributary of Wittsichica Creek, 3 kilometres south of the outlet of Witch Lake, approximately 75 kilometres north of the community of Fort St. James.

The showing is hosted in trachytic plagioclase-augite porphyritic latites assigned to the Upper Triassic Witch Lake Formation of the Middle Triassic to Lower Jurassic Takla Group. Intrusive rocks on the Mitzi claims include diorite and gabbro dikes (Assessment Report 19184).

An outcrop, less than 20 metres long, shows diverse alteration including secondary biotite, chlorite, secondary amphibole, black tourmaline, garnet skarning and white bleaching. Up to 10 per cent pyrrhotite occurs with fine-grained pyrite and chalcopyrite. Values of 1.59 per cent copper and 4.9 grams per tonne gold have been obtained from grab samples (Assessment Report 19184). Propylitic and potassic alteration assemblages and chloritic-rich zones also occur in the vicinity. Disseminated pyrrhotite, pyrite and traces of chalcopyrite occur in the volcanics, with the sulphide content varying directly with the intensity of alteration. Drilling in 1990 failed to intersect significant mineralization (Assessment Report 22179).

In 1992, Noranda Exploration Company drilled hole NA-92-15 to explore the western extension of the Taylor Creek skarn zone. Hole NA-92-15 was drilled to test a strong high induced polarization chargeability, low resistivity zone 200 metres west of the Taylor skarn showing. This hole intersected 70 metres of altered purple feldspar trachyte along an altered monzonite porphyry intrusion. Alteration grades from biotite hornfelsing in the top few metres through calc-silicate hornfels to pyroxene and garnet-pyroxene skarn closest to the intrusion. The intrusion itself appears silicified, weakly garnetiferous and chlorite-epidote altered. Sulphide content is generally 5 per cent (plus) with pyrrhotite dominant over pyrite and trace to 1 per cent chalcopyrite locally. The more pyroxene-rich skarn sections have 10 per cent (plus) pyrrhotite, pyrite and trace to 0.5 per cent chalcopyrite. Alteration and sulphide contents in this hole are the same as those reported at the showing. Best assays were 21.0 metres of 0.088 per cent copper (Assessment Report 22299).

The skarn copper-gold mineralization on Taylor Creek was discovered pre-1960. In 1971, Ambassador Mines Ltd. completed a soil grid and ground magnetic-seismic surveys over the Taylor showing. The geochemical survey indicated a moderate copper anomaly with some coincident zinc and molybdenum values. The seismic survey indicated an average overburden depth of 4.88 metres and the magnetic survey detected a broad high in the northwest part of the map area. In 1987, the Mitzi claim group was staked by Richard Haslinger and, in 1988, Placer Dome completed soil and rock sampling around the Taylor showing, detecting no significant precious or base metal signatures on the property. Noranda Exploration Company acquired the Mitzi property from Haslinger in 1989 and worked on it until 1992. Noranda completed geological mapping, soil/rock sampling, an aeromagnetic-electromagnetic survey, ground magnetic and induced polarization surveys and 18 diamond drill holes, including 15 holes on the Main grid (TT claims), two holes on the Cas (MINFILE 093N 218) showing, located 6.7 kilometres southwest of the TT showing, and one hole that tested the western extension of the Taylor occurrence (MINFILE 093N 096).

Serengeti Resources Inc. held the Choo property, which covered the Taylor, TT (MINFILE 093N 227) and Webb (MINFILE 093N 131) occurrences and the northern portion of the Mitzi claim group, since 2004. The Webb showing is located 2.8 kilometres east-northeast of the TT showing. In 2004, Serengeti Resources carried out a program of rock (6 samples), stream sediment (17 samples) and soil (32 samples) sampling between October 4 to October 13. Approximately 250 metres southwest of the Taylor occurrence, a rock sample (OR-26) contained reported gold values of 0.344 gram per tonne (Assessment Report 27868). The rock sample came from an outcrop and contained pyroxene, skarn with 2 per cent pyrite and minor chalcopyrite. This work confirmed the copper, rock and soil anomalies reported by Noranda.

In 2007, on behalf of Serengeti, Peter E. Walcott and Associates conducted 11 kilometres of induced polarization and ground magnetic geophysical surveying over the Choo property. The survey entailed five north-south–trending lines, three on the eastern portion of the property and two on the western portion. A broad zone of high chargeability response, approximately 1200 metres wide, was observed trending across the east grid. Two shallow anomalous zones separated by a deeper zone occupied most of the two-line traverse in the west.

In 2011, Serengeti Resources Inc. conducted an exploration program to complete geochemical, geological, and geophysical surveys to test for glacial-till covered copper +/- gold porphyry targets on the Choo property. From July 15 to August 16, 2011, a crew of 4 line cutters brushed 21.5 line kilometres in order to complete a 23 line kilometre IP survey. The IP survey identified chargeability targets at each of the 5 targets (C1-C5) indicating the presence of a sulphide system. Peter E. Walcott & Associates completed 19.5 line kilometres of IP geophysical survey utilizing a 100 metre ‘a’ spacing. A further 3.4 line kilometres of IP surveying utilizing a 200 metre ‘a’ spacing was completed over selected lines in order to survey deeper readings. In addition to the IP survey, Serengeti geologists and samplers completed a geological reconnaissance and collected 551 Ah soil samples and 39 rock samples. A rock sample yielded values of up to 0.171 per cent copper and 0.084 gram per tonne gold (sample 1114713) and is located just east of the Taylor occurrence (Assessment Report 33161).

In 2012, Serengeti Resources Inc. released the results of a drill program financed by Freeport-McMoRan of Canada Limited on the Tchentlo and Choo properties. On the Choo property, three very widely spaced holes (up to 5 kilometres apart) encountered anomalous gold intervals (1.53 grams per tonne over 4 metres, 0.55 gram per tonne over 8 metres, and 0.66 gram per tonne over 5 metres) at or near the contacts of andesite or feldspar porphyry dikes (Press Release - Serengeti Resources Inc., August 29, 2012).

Bibliography
EMPR ASS RPT 3406, *17793, *19184, 19926, *20383, *21288, 21295, *22179, *22299, *22895, *27868, 29850, *33161
EMPR FIELDWORK *1990, pp. 89-110
EMPR GEM 1971-195
EMPR OF 1991-3
GSC MAP 876A; 907A; 971A
GSC OF 2842
GSC P 41-5; 42-2; 45-9
PR REL Serengeti Resources Inc. Aug. *29, 2012
Placer Dome File

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