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File Created: 21-Nov-1988 by Garry J. Payie (GJP)
Last Edit:  04-Apr-2022 by Karl A. Flower (KAF)

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Name TR, SERICITE SCHIST Mining Division Skeena
BCGS Map 104B060
Status Showing NTS Map 104B09E
Latitude 056º 35' 05'' UTM 09 (NAD 83)
Longitude 130º 10' 56'' Northing 6271786
Easting 427387
Commodities Gold Deposit Types G07 : Subaqueous hot spring Ag-Au
I02 : Intrusion-related Au pyrrhotite veins
Tectonic Belt Intermontane Terrane Stikine
Capsule Geology

The TR (Sericite Schist) occurrence is located near the western margin of Treaty Glacier and occurs in rock of the Lower Jurassic Unuk River Formation, Hazelton Group. Rocks in the area include weak to moderately altered crystal-lithic andesite tuffs, intensely altered crystal-lithic andesite tuffs (sericite schist), dolomite, limestone, quartzite, pillow lavas, red, purple, green, volcanic breccias, porphyritic flows and minor chert. The strata are intruded by a Jurassic diorite stock.

The north-south trending "Sericite Schist" zone is part of a large area of alteration extending over 900 metres with a minimum width of 150 metres. Alteration includes sericite, quartz and pyrite.

A limonitic, silicified, leached andesitic tuff showing weak sericite schist alteration contained 23.7 grams per tonne gold and 5.38 grams per tonne silver over 2 metres (Assessment Report 16839).

See also Konkin Skarn (104B 171).

EMPR ASS RPT *16839, 37904, 39910
EMPR FIELDWORK 1987, pp. 199-209
EMPR OF 1988-4
EMPR PF (Geology Map-1:31,250 Scale-Newmont Exploration of Canada Ltd., 1960's; Britton, R.M., (1983): Regional Geological Assessment of the Stewart-Sulphurets area and Geology and Alteration of the Sulphurets Prospect area for Esso Minerals Canada Ltd., (unpublished); Teuton Resources Corporation News Release, Sept. 10, 1987)
GSC MAP 9-1957; 1418A
GSC P 89-1E, pp. 145-154
Pardoe, J. (2016-05-21): NI43-101 Technical Report on the Treaty Creek Property
P&E Mining Consultants Inc. (2021-04-23): Technical Report and Initial Mineral Resource Estimate of the Treaty Creek Gold Property, Skeena Mining Division, British Columbia, Canada