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Mount Weld Mine, Mount Weld Station, Laverton Shire, Western Australia, Australia
Carbonatitic REE deposit with additional Nb, Ta, Zr, Ti contents ('Crown deposit' - apparently a separate part of the carbonatite).
Discovered in 1988; owned by Lynas Corp.
Located about 30 km south of Laverton and 120 km east of Leonora.
Rare earths are contained in secondary phosphates and aluminophosphates, presumably derived from weathering of the Proterozoic Mount Weld carbonatite, an intrusive pipe approximately three kilometers in diameter.
Mineral List
| 'Apatite' Cerianite-(Ce) | Churchite-(Y) Monazite-(La) | Pyrochlore Group 'Rhabdophane' |
6 entries listed. 4 valid minerals.
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References
- Lottermoser, B. G.; England, B. M. (1988): Compositional variation in pyrochlores from the Mt. Weld carbonatite laterite, Western Australia. Mineralogy and Petrology 38, 37-51. [Na-Ca-pyrochlore, strontian pyrochlore, strontiopyrochlore, ceriopyrochlore, cerian strontiopyrochlore, and strontian ceriopyrochlore]
- Lottermoser, B. (1990): Rare-earth element mineralisation within the Mt. Weld carbonatite laterite, Western Australia. Lithos 24, 151–167.
- Lottermoser, B. (1990): Rare-earth element mineralisation within the Mt. Weld carbonatite laterite, Western Australia. Lithos 24, 151–167.
External Links
- http://www.lynascorp.com/page.asp?category_id=2&page_id=4
- http://en.wikipedia.org/wiki/Mount_Weld
- http://en.wikipedia.org/wiki/Mount_Weld
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