ID: 6
rec_id: 6
depname: Catalao II
deptype: 10
depage: 82.9±4.2 K-Ar, syenite
json: {"id":"http:\/\/mrdata.usgs.gov\/carbonatite\/record\/6","type":"Feature","geometry":{"type":"Point","coordinates":[-47.874444444444,-18.048055555556]},"properties":{"country":"Brazil","cntrycd":"BRZL","stprov":"Goias","depname":"Catalao II","latitude":"-18.0480555555556","latdeg":-18,"latmin":-2,"latsec":-53,"longitude":"-47.8744444444444","londeg":-47,"lonmin":-52,"lonsec":-28,"mintype":"beforsite, s\u00f6vite","oreton":"2","deptype":10,"niobium":"2.18","ree":"0","p2o5":"0","grades":"tonnage-grade of lateritic mantle (Woolley, 1987)","depage":"82.9\u00b14.2 K-Ar, syenite","agemy":"83","tectset":"Cretaceous Alta Parana\u00edba igneous province in the Proterozoic Brasilia belt dividing S\u00e3o Francisco craton and Paran\u00e1 basin","rocks":"carbonatite, glimmerite, lamprophyre, phoscorite, pyroxenite, syenite","rocksmap":"quartzite, schist (Precambrian)","orebody_fm":"NE elongated bicentric intrusion","ore_a":"5","ore_area":"10.6","ore_b":"2.7","alttype":"fenitization","altwidth":"0","dep10km":"10","mineral":[{"role":"ore","name":"ba-pyrochlore"},{"role":"ore","name":"barite"},{"role":"ore","name":"goethite"},{"role":"ore","name":"goyazite"},{"role":"ore","name":"perovskite"},{"role":"ore","name":"pyrochlore"},{"role":"ore","name":"ree-phosphates"},{"role":"ore","name":"rutile"},{"role":"ore","name":"magnetite |"},{"role":"gangue","name":"alkali-feldspar"},{"role":"gangue","name":"calcite"},{"role":"gangue","name":"kaolinite"},{"role":"gangue","name":"na-amphibole"},{"role":"gangue","name":"phlogopite"},{"role":"gangue","name":"pyroxene"},{"role":"gangue","name":"quartz"},{"role":"gangue","name":"serpentine"},{"role":"gangue","name":"vermiculite"}],"reference":["Guimaraes, H.N., and Weiss, R.A., 2008, The complexity of the niobium deposits in the alkaline- ultramafic intrusions Catalao I and II \u0096 Brazil, 15 p.:","http:\/\/www.cbmm.com.br\/portug\/sources\/techlib\/science_techno\/table_content\/sub_1\/images\/pdfs\/002A.pdf (last visited February 5, 2009)","Morikiyo, T., Hirano, H., and Matsuhisa, Y., 1990, Carbon and oxygen isotopic composition of the carbonates from the Jacupiranga and Catalao I carbonatite complexes, Brazil: Bulletin of the Geological Survey of Japan, v. 41, no. 11, p. 619\u0096626.","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.","Woolley, A.R., 1987, Alkaline rocks and carbonatites of the world \u0096 Part 1: North and South America: London, British Museum (Natural History), 216 p."]}}
url: https://mrdata.usgs.gov/carbonatite/show-carbonatite.php?rec_id=6