St. Honoré

Carbonatite rare earth element deposit in Quebec, Canada

Geographic location

CountryCanada
State or provinceQuebec
Geographic location:-71.066667, 48.55
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Location references

  • Woolley, A.R., 1987, Alkaline rocks and carbonatites of the world; Part 1, North and South America: London, United Kingdom, British Museum of Natural History, 216 p.

Geologic characteristics

Deposit typeCarbonatite
Age of depositLate Proterozoic-- 629-656 Ma (various)
REE mineralsbastnäsite
pyrochlore
parisite
monazite
Ore mineralspyrochlore
apatite
pyrite
molybdenum
titanite
barite
sphalerite
chalcopyrite
pyrrhotite
Gangue mineralsdolomite
ankerite
calcite
melanite
monticellite
nepheline
cancrinite
melanite
phlogopite
Host rock typescarbonatite
syenite
nepheline syenite
ijolite

Nearby scientific information

Geologic map unit-71.066666666667, 48.55
Other databasesFind additional scientific data near this location

Economic information

StatusNb producer; Potential REE resource
CompanySoquem
Resource estimates16 Mt @ 0.0088% REO
ama 4.5% LREE

References for resource estimates

Comments

REE range from 0.1-1.7%. Complex is 8 km x 6.5 km. Carbonatite core is surrounded by syenite and other alkaline rocks.

Bibliographic references