ID: 24
rec_id: 24
depname: Dalucao
deptype: 10
depage: 11.3 – 9.8 K-Ar , biotite; 15.3±0.5 Rb-Sr isochron
json: {"id":"http:\/\/mrdata.usgs.gov\/carbonatite\/record\/24","type":"Feature","geometry":{"type":"Point","coordinates":[101.85166666667,27.1675]},"properties":{"country":"China","cntrycd":"CINA","stprov":"Sichuan","depname":"Dalucao","altname":"Daluxiang","latitude":"27.1675","latdeg":27,"latmin":10,"latsec":3,"longitude":"101.851666666667","londeg":101,"lonmin":51,"lonsec":6,"discdate":"mid 1980s","mintype":"s\u00f6vite","oreton":"0.76","deptype":10,"niobium":"0","ree":"5","p2o5":"0","grades":"Hou and others (2009)","depage":"11.3 \u0096 9.8 K-Ar , biotite; 15.3\u00b10.5 Rb-Sr isochron","agemy":"10.4","tectset":"Yangtze craton western margin; Cenozoic collision related Himalyan Mianning-Dechang REE belt involving Paleozoic longitudinal Panxi rift","rocks":"breccia pipes, carbonatite, nordmarkite (quartz syenite)","rocksmap":"quartz diorite (Proterozoic)","orebody_fm":"vein zone","ore_a":"1.2","ore_area":"0.6","ore_b":"0.6","alttype":"fenitization, carbonatization","altwidth":"0","dep5km":"11d","comments":"Vein zone occurs mostly in breccia pipes in nordmarkite, generally controlled by strike-slip fault. Two main ore lenses (?175 m thick and ?450 m down dip) and numerous small orebodies (vein swarms).","mineral":[{"role":"ore","name":"apatite"},{"role":"ore","name":"allanite"},{"role":"ore","name":"barite"},{"role":"ore","name":"celestite"},{"role":"ore","name":"cerussite"},{"role":"ore","name":"chalcopyrite"},{"role":"ore","name":"chevkinite"},{"role":"ore","name":"copper"},{"role":"ore","name":"cu-sn alloy"},{"role":"ore","name":"cu-zn alloy"},{"role":"ore","name":"bastnaesite"},{"role":"ore","name":"fluorite"},{"role":"ore","name":"galena"},{"role":"ore","name":"ilmenite"},{"role":"ore","name":"limonite"},{"role":"ore","name":"magnetite"},{"role":"ore","name":"molybdenite"},{"role":"ore","name":"monazite"},{"role":"ore","name":"pyrite"},{"role":"ore","name":"rutile"},{"role":"ore","name":"sn-zn alloy"},{"role":"ore","name":"sphalerite"},{"role":"ore","name":"sr-barite"},{"role":"ore","name":"strontianite"},{"role":"ore","name":"tin"},{"role":"ore","name":"witherite"},{"role":"ore","name":"wulfenite"},{"role":"gangue","name":"albite"},{"role":"gangue","name":"aegerine-augite"},{"role":"gangue","name":"arfvedsonite"},{"role":"gangue","name":"biotite"},{"role":"gangue","name":"calcite"},{"role":"gangue","name":"microcline"}],"reference":["Hou, Z., Tian, S., Xie, Y., Yang, Z., Yuan, Z., Yin, S., Yi, L., Fei, H., Zou, T., Bai, G., and Li, X., 2009, The Himalayan Mianning-Dechang REE belt associated with alkaline complexes, eastern Indo-Asian collision zone, SW, China: Ore Geology Reviews, v. xx, p. xx\u0096xx, in press.","Hou, Z., Tian, S., Yuan, Z., Xie, Y., Yin, S., Yi, L., Fei, H., and Yang, Z., 2006, The Himalayan collision zone carbonatites in western Sichuan, SW, China\u0097Petrogenesis, mantle source and tectonic implication: Earth and Planetary Science Letter, v. 244, p. 234\u0096250.","Li, X., 2005, Geological characteristics of Dulucao REE deposit in Dechang county, Sichuan, China: Mineral Deposits, v. 24, no. 2, p. 151\u0096160 (in Chinese with English abstract).","Niu, H., Shan, Q., Chen, X., and Zhang, H., 2003, Relationship between light rare earth deposits and mantle processes in Panxi rift, China: Science in China (Series D), v. 46, Suppl., p. 41\u009649.","Wan, D., Tian, S., Luo, M., and Shaoyong, J., 2005, Stable isotope composition of the Dalucao rare earth deposit in western Sichuan, in Mao, J., and Bierlein, F.P., eds., Mineral Deposit Research\u0097Meeting the Global Challenge: Proceedings of the 8th Biennial SGA Meeting, Springer, Berlin, p. 849\u0096852.","Xu, C., Campbell, I.H., Kynicky. J., Allen, C.M., Chen, Y., Huang, Z., and Qi, L., 2008, Comparison of the Daluxiang and Maoniuping carbonatitic REE deposits with Bayan Obo Ree deposit, China: Lithos, v. 106, no. 1-2, p. 12\u009624.","Yang, Z., and Woollley, A., 2006, Carbonatites in China\u0097A review: Journal of Asian Earth Sciences, v. 27, p. 559\u0096575."]}}
url: https://mrdata.usgs.gov/carbonatite/show-carbonatite.php?rec_id=24