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File Created: 08-Apr-1992 by Keith J. Mountjoy (KJM)
Last Edit:  24-Mar-2022 by Nicole Barlow (NB)

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NMI
Name SCREE 1, MOOSE-82 GROUP, MOOSE, MOOSE 1-3, BULL MOOSE, WAS #1, CALF MOOSE, HORN 2 FRACTION, SCREE, SCREE 1-3, GAS, GAS 2, PORPHYRY PEARL Mining Division Liard, Omineca
BCGS Map 094E044
Status Showing NTS Map 094E06E
Latitude 057º 29' 19'' UTM 09 (NAD 83)
Longitude 127º 13' 23'' Northing 6373171
Easting 606520
Commodities Gold, Silver, Zinc, Lead, Copper Deposit Types H05 : Epithermal Au-Ag: low sulphidation
Tectonic Belt Intermontane Terrane Stikine
Capsule Geology

The Scree 1 showing is located approximately 18 kilometres north-northwest of the Lawyers mine (094E 066), some 280 kilometres north of Smithers. It lies within the Omineca-Cassiar mountains at the southern end of the Toodoggone gold camp. The occurrence is situated within a Mesozoic volcanic arc assemblage which lies along the eastern margin of the Intermontane Belt, a northwest-trending belt of Paleozoic to Tertiary sediments, volcanics and intrusions bounded to the east by the Omineca Belt and to the west and southwest by the Sustut and Bowser basins.

Permian Asitka Group crystalline limestones are the oldest rocks exposed in the region. They are commonly in thrust contact with Upper Triassic Takla Group andesite flows and pyroclastic rocks. These Takla rocks have been intruded by plutons and other bodies of the mainly granodiorite to quartz monzonite Early Jurassic Black Lake Suite and are in turn unconformably overlain by or faulted against Lower Jurassic calcalkaline volcanics of the Toodoggone Formation, Hazelton Group.

The dominant structures in the area are steeply dipping faults which define a prominent regional northwest structural fabric trending 140 to 170 degrees. In turn, 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.

The Scree 1 showing is underlain by intermediate porphyritic rocks of the Toodoggone Formation. These include feldspar hornblende crystal and crystal-lapilli tuffs, and tuff breccias, a thin ash-fall tuff and lesser dacite porphyry flows. Cutting this sequence is a small diorite plug, diorite porphyry, and commonly narrow and scattered basalt and andesite dikes. The volcanic sequence appears to dip moderately to the northeast. Observed faults have northwest and east-southeast to southeast strikes. The most important structural feature is a vertical shear and fracture zone that extends northwestward from McClair Creek to Moosehorn Creek.

Initial property exploration, in the area of the Scree 1 showing, was focused on lead and zinc sulphides in quartz veins about 1.3 kilometres to the south-southeast. Early geochemical surveys outlined an area of about 1500 metres long with anomalous, silver, lead, zinc and copper in soils. Follow up geochemistry, geophysics and geology revealed local mineralization, confirming previous geochemical anomalies.

Mineralization consists of a 15-centimetre-wide quartz vein hosting galena, sphalerite and epidote.

In 1980, three rock samples (18717 through 18719) yielded values of up to 0.10 gram per tonne gold, 4.8 grams per tonne silver, 0.20 per cent copper, 1.65 per cent lead and 0.85 per cent zinc (Assessment Report 9269).

Two grab samples were taken from this vein during an exploration program in 1985. Assay values from sample 85-G-23 were 7.4 grams per tonne silver and 0.840 gram per tonne gold, greater than 0.5 per cent zinc and lead, and 0.098 per cent copper (Assessment Report 13961). Sample 85-R-28 analyzed 4.6 grams per tonne silver, 0.13 gram per tonne gold, 0.5 per cent zinc, 0.46 per cent lead and 0.102 per cent copper (Assessment Report 13961).

Refer to Porphyry Pearl (094E 084) which is the main prospect of a property worked on in the mid to late 2000s that contained 094E 031 (Moose 1), 084 (Porphyry Pearl), 165 (Scree 3), 166 (Scree 1), 167 (Calf Moose) and 188 (Horn). Work History for the Scree 1 area is given in the Porphyry Pearl prospect. Work on the Scree 1 included sampling in 1985 and GIS compilation in 2005 and Magnetic surveying in 2006 that occurs to the immediate west.

Bibliography
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; 1981, 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; 1989, pp. 409-415; 1991, pp. 207-216
EMPR GEM 1969-103; 1971-63-71; 1973-456-463
EMPR GEOLOGY 1977-1981, pp. 156-161
EMPR MAP 61 (1985)
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 76-1A, pp. 87-90; 80-1A, pp. 27-32
W MINER April, 1982
N MINER October 13, 1986
N MINER MAG March 1988, p. 1
GCNL #23(Feb.1), 1985; #165(Aug.27), 1986
IPDM Nov/Dec 1983
ECON GEOL Vol. 86, pp. 529-554, 1991
MIN REV September/October, 1982; July/August, 1986
WIN Vol. 1, #7, June 1987
Carter, N.C. (2007-05-01): Technical Report on the Porphyry Pearl Property, Including a Discussion of the Results of 2006 Geophysical Surveys and Recommendations for Additional Exploratory Work
EMPR PFD 831003, 831004

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