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File Created: 13-Sep-1985 by Tom G. Schroeter (TGS)
Last Edit:  28-Jul-2021 by George Owsiacki (GO)

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NMI
Name AWESOME, LAST, NEL 1, NELL 2, NEL 3, NELL 4, ATTY 5-6 Mining Division Omineca
BCGS Map 094E017
Status Prospect NTS Map 094E02E
Latitude 057º 06' 32'' UTM 09 (NAD 83)
Longitude 126º 43' 25'' Northing 6331797
Easting 637874
Commodities Silver, Gold Deposit Types H05 : Epithermal Au-Ag: low sulphidation
Tectonic Belt Intermontane Terrane Stikine
Capsule Geology

The Awesome prospect is located north of Attycelley Creek in the Toodoggone Gold Camp, approximately 5 kilometres northeast of the north end of Duncan Lake and 25 kilometres southeast of the Sturdee airstrip, approximately 270 kilometres north of the community of Smithers.

The Toodoggone district lies within the eastern margin of the Intermontane Belt and is underlain by a northwest-trending belt of Paleozoic to Paleogene sediments, volcanics and intrusions covering an area of 90 by 25 kilometres. The basement rocks are Proterozoic metasedimentary equivalents of the Hadrynian Ingenika Group. These rocks are unconformably overlain by volcanic and sedimentary units of the Devonian to Permian Asitka Group, which are in turn overlain by Upper Triassic basaltic to andesitic flows, volcaniclastics and minor limestone of the Stuhini Group. Volcaniclastic rocks of the Lower Jurassic Hazelton Group and rhyolitic to dacitic flows, intrusions and volcaniclastics of the Lower Jurassic Toodoggone Formation (Hazelton Group) overlie the Stuhini Group. Further to the west, nonmarine sediments of the Cretaceous Sustut Group overlie the volcanic strata and form the western margin of the district.

The Early Jurassic Black Lake Suite, of quartz monzonitic to granodioritic composition, has intruded the older strata in the central and eastern parts of the region and forms the eastern margin of the Toodoggone district. Within the district, syenomonzonitic and quartz feldspar porphyritic dikes may be feeders to the Toodoggone Formation.

The dominant structures in the area are steeply dipping faults that define a prominent regional northwest structural fabric trending 140 to 170 degrees. High angle, northeast-striking faults (approximately 060 degrees) appear to truncate and displace northwest-striking faults. Collectively these faults form a boundary for variably rotated and tilted blocks underlain by monoclinal strata.

Locally, the area is underlain predominantly by lithologies of the Attycelley Member of the Toodoggone Formation. Non-welded lapilli-ash tuff, subordinate lapilli-block tuff with interspersed ash flows and lava flows and interbedded epiclastics comprise lithologies of the Attycelley Member. Rocks of the Stuhini Group to the immediate west of the Awesome prospect are generally massive, dark, coarse grained porphyritic augite basalt, fine grained aphyric basaltic andesite lava flows with subordinate interbeds of lapilli tuff and volcanic breccia (Bulletin 86).

At the Awesome occurrence, vuggy, quartz veined, andesitic lapilli tuff and hematitic quartz float occur over an area of approximately 1800 metres in length and 50 to 100 metres in width. Trenching has revealed that the source of this material is a variably silicified zone 20 and 40 metres in width. Several types of silicification comprise this zone: a hematitic quartz breccia with at least three stages of silicification and brecciation up to 2 metres wide; large hematitic quartz-calcite veins up to 1.5 metres wide; pervasive silicification up to 4 metres wide, often hematitic and including some vuggy quartz and calcite veinlets; and quartz veins of variable intensity and width (up to 2 centimetres and banded). Calcite may or may not be present as late stage, open-space fillings. The dominant alteration is a zone of propylitization, which envelopes the silicified zone. Narrow zones of argillic altered lapilli tuff occur within the more intensely silicified portions of the system. Mineralization consists of minor pyrite and trace malachite with anomalous gold and silver values.

Another quartz vein occurrence is reported approximately 800 metres to the north, and two other possible silicified zones are reported to the east and south of the main zone.

In 1983, two trenches were opened across this silicified zone. Panel samples 1.0 by 0.5 metre were taken from the trenches at 0.5-metre intervals. One of these samples was taken 10 metres from the northern end of trench 1, consisted of a grey to maroon quartz-calcite-hematite vein with rare malachite and yielded 58.5 grams per tonne silver, 0.73 gram per tonne gold, 0.042 per cent lead, 0.0146 per cent copper and 0.0031 per cent zinc (Assessment Report 11174).

In 1992, rock samples (AWR-08 and -09) yielded up to 0.80 gram per tonne gold and 39.1 grams per tonne silver (Assessment Report 22751). In 1997, float samples (24734 and 24735) of quartz vein material yielded up to 0.54 gram per tonne gold and 42.8 grams per tonne silver (Assessment Report 25486). In 1998, rock samples (52280, AJB-12 and AJB-14) from former trenches yielded from 0.93 to 1.16 grams per tonne gold and 25.8 to 100.0 grams per tonne silver (Assessment Report 25722).

In 2000, a chip sample (ATTY-RB00-38) from a former trench assayed 0.167 gram per tonne gold and 17.6 grams per tonne silver over 10 metres (Assessment Report 26360). In 2004, a rock sample (2004T113) assayed 0.19 gram per tonne gold and 30.9 grams per tonne silver (Assessment Report 27620).

In 1983, Kidd Creek Mines Ltd. completed a program of geological mapping, trenching and rock sampling on the area as the Awsome claim. In 1988, Canadian Venture Corp. completed a 180.0 line kilometre airborne magnetic and electromagnetic survey on the area as the Nel and Nell claims.

During 1990 through 1999, Electrum Resource Corp. conducted programs of prospecting, geochemical (rock, silt and soil) sampling, geological mapping and 5.8 line kilometres of ground electromagnetic (VLF) surveys on the area as the At 1-2 and Atty 3-7 claims.

During 2000 through 2004, Finlay Minerals Ltd. conducted programs of rock, silt and soil sampling, geological mapping, hand trenching and ground induced polarization and magnetic surveys on the area.

During 2013 through 2016, Finlay Minerals conducted further programs of prospecting and geochemical (rock and soil) sampling and a LiDAR survey on the Atty property. In 2018, Serengeti Resources Inc. conducted a program of rock sampling, core re-logging and sampling, geological mapping and a 20.0 line kilometre ground induced polarization survey on the area as the Atty-ATG property.

Bibliography
EMPR OF 2001-01
EMPR BULL 86
EMPR EXPL 1975-E163-E167; 1976-E175-E177; 1977-E216-E217; 1978-E244-E246; 1979-265-267; 1980-421-436; 1982-330-345; 1983-475-488; 1984-348-357; 1985-C349-C362; 1986-C388-C414; 1987-C328-C346; 1988-C185-C194
EMPR FIELDWORK 1980, pp. 124-129; 1983, pp. 122-129, 135-141; 1982, pp. 125-127; 1983, pp. 137-138, 142-148; 1984, pp. 139-145, 291-293; 1985, pp. 167-169, 299; 1987, pp. 111, 114-115
EMPR GEM 1971-63-71; 1973-456-463
EMPR GEOLOGY 1977-1981, pp. 156-161
EMPR OF 2004-4
EMPR PF (Photogeologic Interpretation Map of the Northern Omineca area, (Oct. 1964), Canadian Superior Exploration Limited-in 94E General File)
GSC BULL 270
GSC OF 306; 483
GSC P 80-1A, pp. 27-32
ECON GEOL Vol.86, pp. 529-554, 1991
GCNL #23(Feb.1), 1985; #165(Aug.27), 1986
IPDM Nov/Dec 1983
MIN REV September/October, 1982; July/August, 1986
N MINER October 13, 1986
N MINER MAG March 1988, p. 1
W MINER April, 1982
WIN Vol.1, #7, June 1987

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