ID: 36
rec_id: 36
depname: Kangankunde
deptype: 10
depage: 123±6 K-Ar, phlogopite
json: {"id":"http:\/\/mrdata.usgs.gov\/carbonatite\/record\/36","type":"Feature","geometry":{"type":"Point","coordinates":[34.909444444444,-15.125]},"properties":{"country":"Malawi","cntrycd":"MLWI","depname":"Kangankunde","latitude":"-15.125","latdeg":-15,"latmin":-7,"latsec":-30,"longitude":"34.9094444444444","londeg":34,"lonmin":54,"lonsec":34,"mintype":"beforsite","oreton":"11","deptype":10,"niobium":"2","ree":"0.62","p2o5":"0","grades":"Malawi... (2009); Ministry... (2009); Singer (1998)","depage":"123\u00b16 K-Ar, phlogopite","agemy":"123","tectset":"East African rift system; Chilwa alkaline province","rocks":"agglomerate, carbonatite, feldspathic breccia","rocksmap":"gneiss, schist (Precambrian)","orebody_fm":"plugs and sheets in core of oval alkaline complex","ore_a":"7.2","ore_area":"14.1","ore_b":"2.5","alttype":"fenitization","altwidth":"1","comments":"8.4% SrCO3 in ore. 13 Kt monazite production to 30 m depth at average 10% Re2O3 (Gupta and Kishnamurthy, 2004).","mineral":[{"role":"ore","name":"apatite"},{"role":"ore","name":"barite"},{"role":"ore","name":"bastnaesite"},{"role":"ore","name":"daqingshanite"},{"role":"ore","name":"florencite"},{"role":"ore","name":"fluorite"},{"role":"ore","name":"goyazite"},{"role":"ore","name":"magnetite"},{"role":"ore","name":"monazite"},{"role":"ore","name":"perovskite"},{"role":"ore","name":"pyrochlore"},{"role":"ore","name":"sphalerite"},{"role":"ore","name":"strontianite"},{"role":"gangue","name":"ankerite"},{"role":"gangue","name":"biotite"},{"role":"gangue","name":"calcite"},{"role":"gangue","name":"dolomite"},{"role":"gangue","name":"feldspar"},{"role":"gangue","name":"melilite"},{"role":"gangue","name":"montichellite"},{"role":"gangue","name":"nepheline"},{"role":"gangue","name":"olivine"},{"role":"gangue","name":"phlogopite"},{"role":"gangue","name":"quartz"},{"role":"gangue","name":"siderite"},{"role":"gangue","name":"staurolite"}],"reference":["Malawi Geological Surveys Department, 2009, Mineral resources of Malawi, 7 p.,","http:\/\/www.malawi.gov.mw\/publications\/geo\/mineralsdoc.htm (last visited February 18, 2009)","Garson, M.S., 1966, Carbonatites in Malawi, in Tuttle, O.F., and Gittins, J., eds., Carbonatites: New York, Interscience Publishers, p. 33\u009671.","Gupta, C.K., and Kishnamurthy, N., 2004, Extractive metallurgy of rare earth: CRC Press, 506 p.","Lynas Corporation, Ltd., 2007, Lynas Acquires New Rare Earths Resource in Malawi, 5 p.,","http:\/\/www.infomine.com\/index\/pr\/PA536540.PDF (last visited February 18, 2009)","Ministry of Energy and Mines, Republic of Malawi, 2009, Mineral potential of Malawi, 8 p.,","http:\/\/www.bgs.ac.uk\/downloads\/start.cfm?id=1239 (last visited February 18, 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.","Tiercelin, J.J., Chorowicz, J., Belloni, H., Richert, J.P., Mwanbene, J.T., and Walgenwitz, F., 1988, East African Rift System\u0097Offset, age and tectonic significance of the Tanganyika-Rukwa-Malawi intracontinental transcurrent fault zone: Tectonophysics, v. 148, p. 241\u0096252.","Wall, F., and Mariano, A.N., 1996, Rare earth minerals in carbonatites\u0097A discussion centered on the Kangakunde carbonatite, Malawi, in Jones, A.P., Wall, F., and Williams, C.T., eds., Rare earth minerals\u0097Chemistry, origin and ore deposits: Chapman & Hall, p. 193\u0096225.","Woolley, A.R., 2001, Alkaline rocks and carbonatites of the world \u0096 Part 3: Africa: London, The Geological Society, 372 p."]}}
url: https://mrdata.usgs.gov/carbonatite/show-carbonatite.php?rec_id=36