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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  15-May-2020 by Karl A. Flower (KAF)

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NMI
Name LEMPRIERE CARBONATITE, LEMPRIERE, AR 2, AR, AR 1-4, VERITY, VERITY FIRST, MILL, MILL 2 Mining Division Kamloops
BCGS Map 083D045
Status Showing NTS Map 083D06E
Latitude 052º 24' 08'' UTM 11 (NAD 83)
Longitude 119º 08' 18'' Northing 5807927
Easting 354530
Commodities Niobium, Tantalum, Phosphate, Uranium, Rare Earths Deposit Types N01 : Carbonatite-hosted deposits
Tectonic Belt Omineca Terrane Ancestral North America, Cariboo
Capsule Geology

The Lempriere carbonatite is easily reached by trails and logging roads which cross the North Thompson River and intersect Highway 5 at Lempriere Station, approximately 40 kilometres north of Blue River. It lies 1.55 kilometres east-northeast of the Verity occurrence (083D 005) and 1.90 kilometres southeast of the Mill occurrence (083D 034). A detailed description of the regional geologic setting is given in the Verity occurrence, immediately to the south.

Two areas east of the Verity occurrence were examined and sampled in 1982. The upper and most easterly of these two areas, consisting of outcrop exposed by an uprooted tree, is the Lempriere showing. This may be part of an exposure mapped in 1952 (Geological Survey of Canada Economic Geology No. 18, p. 32). The carbonatite is similar to exposure in the Specimen Pit at the Verity occurrence.

A total of six samples were taken from the Lempriere showing in 1981. Pyrochlore was visible in some chips from samples 3829 and 3830. The weighted average grades from three 0.3-metre chip samples (3828 to 3830) are 0.0118 per cent Tantalum, 0.0433 per cent Nb2O5 and 2.34 per cent P2O5 (Assessment Report 10274). An additional three samples (625 to 627) were taken in 1982. Analytical results ranged from 0.10 to 0.12 per cent Nb2O5 and from 0.015 to 0.026 tantalum (Assessment Report 11130).

Bibliography
EMPR AR 1950-223-229; 1952-115-119; 1954-111; 1968-222
EMPR ASS RPT 1630, 6741, 7236, 8216, 9566, *10274, 10955, *11130
12361
EMPR BULL *86 (in press)
EMPR EXPL 1978-117; 1980-149; 1981-250; 1982-127,128
EMPR FIELDWORK 1979, pp. 118-119; 1980, pp. 111-112; 1981, pp. 68-69
1984, pp. 84-94, 95-100
EMPR MAP 22, #33
EMPR OF *1987-17; *1990-32
GSC BULL 239, pp. 121,122,150
GSC EC GEOL #16 (2nd Ed.), p. 236; *#18, pp. 31-35
GSC MAP 15-1967
GSC OF 551
GSC P 89-1E, pp. 95-100
CJES 1988 Vol. 25, No. 8, pp. 1323-1337
Canadian Mineralogist, 1961, Vol. 6, pp. 610-633
Pell J. and Hora Z.D. (1990): Rifting, alkaline rocks and related
magmatic deposits in the southern Canadian Cordillera; Ministry
of Energy, Mines and Petroleum Resources, Geological Survey
Branch, 8th IAGOD Paper
Gorham, J. (2007-06-20): Technical Report on the Upper Fir Tantalum-Niobium-Bearing Carbonatite - Blue River Property
Stone, M., Selway, J. (2010-03-30): Independent Technical Report – Blue River Property
Chong, A., Postolski, T. (2011-01-31): NI 43-101 Technical Report - Blue River Ta-Nb Project
Chong, A., Postolski, T. (2011-09-29): NI 43-101 Technical Report on Preliminary Economic Assessment - Blue River Tantalum–Niobium Project
Chong, A., Postolski, T. (2012-06-22): NI 43-101 Technical Report on Mineral Resource Update - Blue River Tantalum-Niobium Project
Kulla, G., Postolski, T. (2013-06-21): NI 43-101 Technical Report on Mineral Resource Update - Blue River Tantalum–Niobium Project
Kulla, G., Hardy, J. (2015-02-28): NI 43-101 Technical Report on Mineral Resource Update - Blue River Tantalum-Niobium Project
Kulla, G., Hardy, J. (2015-03-18): Project Update Report - Blue River Tantalum-Niobium Project
EMPR PFD 880000

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