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File Created: 14-Aug-1986 by Larry Jones (LDJ)
Last Edit:  06-Jul-2010 by Laura deGroot (LDG)

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NMI 103H11 Zn1
Name DECAIRE Mining Division Skeena
BCGS Map 103H065
Status Showing NTS Map 103H11E
Latitude 053º 40' 44'' UTM 09 (NAD 83)
Longitude 129º 11' 46'' Northing 5947814
Easting 487046
Commodities Zinc, Lead Deposit Types
Tectonic Belt Coast Crystalline Terrane Undivided Metamorphic Assembl.
Capsule Geology

The Decaire lead-zinc prospect is located 1.5 kilometres north of Douglas Channel and 6 kilometres northeast of Kitkiata Inlet. The occurrence crops out on the north side of the north fork of Koskeesh Creek at an elevation of 170 metres. This showing is a quartz vein which hosts minor cross-fractures of sphalerite, pyrite and minor galena. The quartz vein ranges from 2 to 4 metres wide over a 20 metre strike length, but the fracture-controlled sulphide mineralization is described as “very sparse” (BCMMAR, 1930, p.66). Two small prospecting pits were blasted in 1929. Early descriptions note that the quartz vein is hosted by silicified, foliated granite where the latter is cut by a lamprophyre dike, but Gareau (1997) shows the occurrence within an area of extensive metasedimentary rocks. This showing was not examined in the field.

Bibliography
EM FIELDWORK 2000, pp. 279-306; 2001, pp. 151-170
EMPR AR *1929-70; 1930-66
ENPR OF 2002-03
GSC MAP 23-1970; 1385A, 1868A
GSC P 70-41

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