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Blachford Lake, Mackenzie District, Northwest Territories, Canada

Latitude: 62°6'N
Longitude: 112°40'W
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.

References

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.
BADHAM (1979) Can. Jour. Earth Sci. 16, 60
DAVIDSON (1978) GSC Paper 78-1A, 119.
DAVIDSON (1982) GSC Paper 81-23, 71.

Mineral List

Aegirine
Astrophyllite
'Bastnäsite'
Biotite
Fluorite
'Hornblende'
Ixiolite
'Monazite'
Muscovite
'Perthite'
Phenakite
'Pyroxene Group'
Quartz
Riebeckite
Thorite
var: Uranothorite

Xenotime-(Y)
Zircon


17 entries listed. 10 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Jobs in Northwest Territories, Canada Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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