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Blachford Lake alkaline complex, Mackenzie District, Northwest Territories, Canada

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Alkaline complex with approx. 235 km² surface exposure, but another 140 km² may be hidden beneath the Hearne Channel of Great Slave Lake. Age: range 2057-2166 Ma.
Successive phases of the complex include the Grace Lake granite ~155 km² in area and within that the Thor Lake syenite complex.

Mineral List

Mineral list contains entries from the region specified including sub-localities


79 entries listed. 59 valid minerals.

Localities in this Region

Canada

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References

BADHAM, J.P.N. (1979) Geology and petrochemistry of lower Alphebian (2.4-2.0 Ga) alkaline plutonic and hypabyssal rocks in the East Arm of Great Slave Lave, Northwest Territories. Canadian Journal of Earth Sciences, 16, 60-72.

DAVIDSON, A. (1978) The Blanchford Lake intrusive suite: an Alphebian alkaline plutonic complex in the Slave Province, Northwest Territories. Geological Survey of Canada, Paper 78-1A, 119127.

DAVIDSON, A. (1982) Petrochemistry of the Blanchford Lake complex near Yellowknife, Northwest Territories, Geological Survey of Canada, Paper 81-23, 71-79.

WOOLEY, A.R. (1987) In: Alkaline Rocks and Carbonatites of the World. Part 1: North and South America. Published by University of Texas Press, Austin. 49 57.

Mineral and/or Locality  
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