Mount Weld

Carbonatite with residual enrichment rare earth element deposit in Western Australia, Australia

Geographic location

Geologic characteristics

Deposit typeCarbonatite with residual enrichment
Age of deposit2064 Ma
REE mineralsmonazite
churchite
xenotime
florencite
goyazite
cerianite
Ore mineralsphosphorus
niobium
tantalum
Gangue mineralscalcite
dolomite
Host rock typescarbonatite

Nearby scientific information

Geologic map unit122.55, -28.866666666667
Other databasesFind additional scientific data near this location

Economic information

StatusREE-P resource
CompanyAshton Mining Ltd. (2000)
Resource estimatesIndicated 15.4 Mt @ 11.2% REO + Y2O3 (5% cutoff) + 4.0 Mt @ 0.36% Y2O3
6.3 Mt @ 16.2% REO
15.2 Mt @ 11.2% REO (including Y)
6.3 Mt @ 17.2% REO (1990)

References for resource estimates

Comments

Mon has < 0.3% ThO2. Pilot plant at site in 1993.

Bibliographic references