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File Created: 24-Mar-1992 by Ron McMillan (RHM)
Last Edit:  26-May-2021 by George Owsiacki (GO)

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NMI
Name BLOOM CIRQUE SKARNS, CROY, CROY BLOOM Mining Division Omineca
BCGS Map 094C041
Status Showing NTS Map 094C05W
Latitude 056º 28' 31'' UTM 10 (NAD 83)
Longitude 125º 57' 00'' Northing 6262879
Easting 318311
Commodities Copper, Iron Deposit Types K03 : Fe skarn
K01 : Cu skarn
Tectonic Belt Intermontane Terrane Quesnel, Plutonic Rocks
Capsule Geology

The Bloom Cirque Skarns occurrence is located on the ridge east of Bloom cirque approximately 110 kilometres northwest of the community of Germansen Landing.

Assessment Report 21521 (volume 1, page 24) reports "four occurrences of magnetite skarn....along the margins of Bloom cirque. Very minor chalcopyrite with malachite and azurite occur locally within epidote (diopside-garnet) skarn which borders a magnetite skarn bed on the east side of the cirque. The skarn zone strikes roughly east, dips north at 8 degrees and has a minimum thickness of 4 metres". The mineralization is reported to be sparse and erratic.

The hostrocks are altered calcsilicate horizons within the Upper Triassic Takla Group (Plughat Mountain Formation) which consists of andesite flows and breccias, basalt, tuff, agglomerate, shale, conglomerate, and limestone (Geological Survey of Canada Memoir 274). Hornblende diorite and quartz diorite, related to a Jurassic or older intrusion of the Late Triassic to Early Jurassic Aiken Lake Intrusive Complex, outcrops approximately 100 metres west of the occurrence.

Between 2007-08, Serengeti Resources Inc. carried out heliborne magnetic and radiometric surveying over the Croy Bloom and Kem properties totalling 2322 line-kilometres.

Bibliography
EMPR ASS RPT *21521, 30054, 33157, 35191
EMPR FIELDWORK 1991, pp. 127-145; 1992, pp. 109-134; 2018, pp. 31-53; 2019, pp. 25-47
EMPR OF 1992-11; 1993-2
EMPR P 1992-01, pp. 127-145; 1993-01, pp. 109-134; 2019-01, pp. 31-53; 2020-01, pp. 25-47
EMPR PFD 673269
GSC MAP 1030A
GSC MEM 274
GBC 2021-01, pp. 105-120

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