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File Created: 30-Jun-2021 by Karl A. Flower (KAF)
Last Edit:  14-Jul-2021 by Karl A. Flower (KAF)

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NMI
Name CHATAWAY NE, CHATAWAY NORTHEAST, CVS 8 Mining Division Kamloops, Nicola
BCGS Map 092I036
Status Showing NTS Map 092I07W
Latitude 050º 23' 01'' UTM 10 (NAD 83)
Longitude 120º 53' 37'' Northing 5583405
Easting 649748
Commodities Copper, Molybdenum Deposit Types L04 : Porphyry Cu +/- Mo +/- Au
Tectonic Belt Intermontane Terrane Quesnel
Capsule Geology

The Chataway NE occurrence is located approximately 800 metres northeast of the north end of Chataway Lake.

Regionally, the area is underlain by the Upper Triassic to Lower Jurassic Guichon Creek Batholith, a multiphase calc-alkaline intrusion that extends over 1000 square kilometres. The oldest phase is the Border or Hybrid phase, a fine- to medium-grained, mafic-rich diorite to quartz-diorite that locally contains xenoliths of amphibolite and monzonite. The Highland Valley phase consists of the Guichon variety, a quartz diorite to granodiorite, and the Chataway variety, a hornblende granodiorite. The Bethlehem phase is a fine- to medium-grained granodiorite that is characterized by amoeboid quartz crystals and poikilitic hornblende crystals. The Skeena variety is a granodiorite that is texturally similar to the Bethlehem phase, but is distinguishable by subhedral to anhedral quartz, lower mafic content and coarser grain size. The youngest phase is the Bethsaida, a biotite±hornblende quartz monzonite to granodiorite.

Locally, a shear/shatter zone trending north 20 degrees east and dipping nearly vertical in Chataway phase granodiorite hosts minor bornite, chalcocite and molybdenite mineralization associated with quartz carbonate stringers. Kaolin, sericite, chlorite and hematite are also reported.

In 1972, a drillhole (72-2) yielded 0.42 per cent copper and 0.19 per cent molybdenite over 1.2 metres, including a 0.6-metre wide barren zone of gouge (Property File 10406).

Work History

The area has been explored on conjunction with the nearby Rateria Zone 2 (MINFILE 092SIE199) occurrence and a complete exploration history can be found there.

In 1971 and 1972, Chataway Exploration Ltd., on the behalf of Canadian Superior Exploration Ltd., completed an induced polarization survey two diamond drill holes, totalling 300 metres, on the area.

Bibliography
EMPR BULL 56; 62
EMPR EXPL 1979-167; 1981-164
EMPR GEM 1970-371; 1971-369; 1972-160
EMPR MAP *30
GSC OF 980
GSC MEM 249
GSC MAP 886A
EMPR PFD *10406

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