ID: 3
rec_id: 3
depname: Mount Weld
deptype: 10
depage: 2025
json: {"id":"http:\/\/mrdata.usgs.gov\/carbonatite\/record\/3","type":"Feature","geometry":{"type":"Point","coordinates":[122.54805555556,-28.864444444444]},"properties":{"country":"Australia","cntrycd":"AUWA","stprov":"West Australia","depname":"Mount Weld","latitude":"-28.8644444444444","latdeg":-28,"latmin":-51,"latsec":-52,"longitude":"122.548055555556","londeg":122,"lonmin":32,"lonsec":53,"discdate":"1966","startdate":"2007","mintype":"s\u00f6vite","oreton":"270","deptype":10,"niobium":"0.9","ree":"0.63","p2o5":"16.7","grades":"indicated resources include 270 Mt at 0.9% Nb2O5, 15.2 Mt at 11.2% RE2O3, 250 Mt at 18% P2O5, and 145 Mt at 0.034% Ta2O5 (Duncan and Willett, 1990; Jaques, 2008; Lynas Corp., 2008)","depage":"2025","agemy":"2025","tectset":"Eastern Goldfields province of Precambrian Yilgarn craton; Laverton tectonic zone","rocks":"breccia, carbonatite, glimmerite","rocksmap":"conglomerate, mafic volcanics, metasediments (Archean)","orebody_fm":"plug","ore_a":"3","ore_area":"7","ore_b":"3","alttype":"glimmeritization, fenitization (ring)","altwidth":"0.5","comments":"Re2O3 grade includes lantanides and yttrium oxides. Ore bearing regolith ?90 m thick.","mineral":[{"role":"ore","name":"allanite"},{"role":"ore","name":"anatase"},{"role":"ore","name":"apatite"},{"role":"ore","name":"baddeleyite"},{"role":"ore","name":"barite"},{"role":"ore","name":"beudantite"},{"role":"ore","name":"ce-crandallite"},{"role":"ore","name":"cerianite"},{"role":"ore","name":"cheralite"},{"role":"ore","name":"churchite"},{"role":"ore","name":"florencite"},{"role":"ore","name":"fluorite"},{"role":"ore","name":"galena"},{"role":"ore","name":"goethite"},{"role":"ore","name":"gorceixite"},{"role":"ore","name":"hematite"},{"role":"ore","name":"magnetite"},{"role":"ore","name":"manganite"},{"role":"ore","name":"monazite"},{"role":"ore","name":"nb-ilmenite"},{"role":"ore","name":"nb-rutile"},{"role":"ore","name":"perovskite"},{"role":"ore","name":"psilomelane"},{"role":"ore","name":"pyrite"},{"role":"ore","name":"pyrochlore"},{"role":"ore","name":"sphalerite"},{"role":"ore","name":"strontianite"},{"role":"ore","name":"synchysite"},{"role":"ore","name":"zircon"},{"role":"gangue","name":"aegirine"},{"role":"gangue","name":"ankerite"},{"role":"gangue","name":"biotite"},{"role":"gangue","name":"calcite"},{"role":"gangue","name":"dolomite"},{"role":"gangue","name":"fe-phlogopite"},{"role":"gangue","name":"feldspar"},{"role":"gangue","name":"jacobsite"},{"role":"gangue","name":"kaolinite"},{"role":"gangue","name":"mg-crocidolite"},{"role":"gangue","name":"montmorillonite"},{"role":"gangue","name":"olivine"},{"role":"gangue","name":"phlogopite"},{"role":"gangue","name":"quartz"},{"role":"gangue","name":"riebeckite"},{"role":"gangue","name":"tremolite"},{"role":"gangue","name":"vermiculite"}],"reference":["Duncan, R.K., and Willet, G.D., 1990, Mount Weld carbonatite, in Hughes, F.E., ed., Geology of the mineral deposits of Australia and Papua New Guinea: Melbourne, Australasian Institute of Mining and Metallurgy Monograph 14, v. 1, p. 591\u0096597.","Graham, S., Lambert, D., and Shee, S., 2004, The petrogenesis of carbonatite, melnoite and kimberlite from the Eastern Goldfields Province, Yilgarn Craton: Lithos, v. 76, p. 519\u0096533.","Jaques, A.L., 2008, Australian carbonatites\u0097their resources and geodynamic setting: 9th International Kimberlite Conference. Extended Abstract no. 91KC-A-00347, 3 p.","Lottermoser, B., 1990, Rare-earth mineralisation within the Mt. Weld carbonatite laterite, Western Australia: Lithos, v. 24, p. 151\u0096167.","Lottermoser, B., 1990, Ore minerals Mt. Weld rare-earth element deposit, Western Australia: Applied Earth Science, v.104, p. B203\u0096B209.","Lottermoser, B., and England, B.M., 1988, Compositional variation in pyrochlores from the Mt. Weld carbonatite laterite, Western Australia: Mineralogy and Petrology, v. 38, p. 37\u009651.","Lynas Corporation, 2008, Annual Report, 88 p.:","http:\/\/www.lynascorp.com\/content\/upload\/files\/Reports\/6854_Lynas_AR08_FINAL.pdf (last visited February 4, 2009)","Orris, G.J., and Grauch, R.I., 2002, Rare earth element mines, deposits, and occurrences: U.S. Geological Survey Open-File Report 02-189, 174 p.","Singer, D.A., 1998, Revised grade and tonnage model of carbonatite deposits: U.S. Geological Survey Open-File Report 98-235, 8 p."]}}
url: https://mrdata.usgs.gov/carbonatite/show-carbonatite.php?rec_id=3