全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
矿床地质  2013 

金川铜镍矿床58号矿体亲铜和亲铁元素特征及其地质意义

Keywords: 地质学,铜镍硫化物矿床,铂族元素,地质意义,金川

Full-Text   Cite this paper   Add to My Lib

Abstract:

通过对金川铜镍硫化物矿床中58号矿体地质特征、亲铜和亲铁元素地球化学特征等方面的研究,发现其具有不同于24号矿体、1号矿体和2号矿体的地质和地球化学特征。58号矿体产于Ⅲ号岩体上盘围岩中,矿体总体走向为NNE,倾向NW。与金川矿床其他几个矿体比较,该矿体具较高的Cu、Ni和PGE含量。研究独立的58号矿体对全面理解整个金川超基性岩体的成矿规律,指导今后找矿工作具有重要意义。笔者认为58号矿体的硫化物是从PGE微弱亏损的苦橄质岩浆中熔离出来的,其硫化物熔体具有不同的分异演化过程。

References

[1]  陈列锰. 2009. 甘肃金川I号岩体及其铜镍硫化物矿床特征和成因(博士学论文)[D]. 导师: 宋谢炎. 贵阳: 中国科学院地球化学研究所. 1-143.
[2]  高亚林,汤中立,宋谢炎,田毓龙,孟远志. 2009. 金川铜镍矿床隐伏富铜矿体成因研究及其深部找矿意义[J]. 岩石学报,25(12): 3379-3395.
[3]  甘肃省地质矿产局第六地质队. 1984. 白家嘴子硫化铜镍矿床地质[M]. 北京: 地质出版社. 1-225.
[4]  金川集团有限公司地质勘查院. 2011. 甘肃省金川铜镍矿Ⅲ矿区58#矿体深边部地质找矿报告[R]. 内部资料.
[5]  李士彬. 2008. 甘肃金川Ⅱ号岩体岩浆演化及铜镍硫化物成矿过程探讨(博士学论文)[D]. 导师: 宋谢炎. 贵阳: 中国科学院地球化学研究所. 1-157.
[6]  漆 亮,周美夫,严再飞,皮道会,胡 静. 2006. 改进的卡洛斯管溶样等离子体质谱法测定地质样品中低含量铂族元素及铼的含量[J]. 地球化学,35(6): 667-674.
[7]  宋谢炎,胡瑞忠,陈列锰. 2009. 铜、镍、铂族元素地球化学性质及其在幔源岩浆起源、演化和岩浆硫化物矿床研究中的意义[J]. 地学前缘,16(4): 287-305.
[8]  宋谢炎,肖家飞,朱 丹,朱维光,陈列锰. 2010. 岩浆通道系统与岩浆硫化物成矿研究新进展[J]. 地学前缘,17(1): 153-163.
[9]  汤中立,李文渊. 1995. 金川铜镍硫化物(含铂)矿床成矿模式及地质对比[M]. 北京: 地质出版社. 1-209.
[10]  王瑞廷,毛景文,赫英,王东升,汤中立. 2004. 金川超大型铜镍硫化物矿床的铂族元素地球化学特征[J]. 大地构造与成矿学,28(3): 279-286.
[11]  Barnes S J, Naldrett A J and Gorton M P. 1985. The origin of the fractionation of platinum-group elements in terrestrial magmas[J]. Chemical Geology, 53(3-4): 303-323.
[12]  Barnes S J, Makovicky E, Karup-Moller S, Makovicky M and Rose-Hansen J. 1997. Partition coefficients for Ni, Cu, Pd, Pt, Rh and Ir between monosulphide solid solution and sulphide liquid and the implications for the formation of compositionally zoned Ni-Cu sulphide bodies by fractional crystallization of sulphide liquid[J]. Canadian Journal of Earth Sciences, 34: 366-374.
[13]  Barnes S J and Maier W D. 1999. The fractionation of Ni, Cu and the noble metals in silicate and sulphide liquids[A]. Dynamic processes in magmatic ore deposits and their application to mineral exploration[C]. Geological Association of Canada, Short Course Notes., 13: 69-106.
[14]  Barnes S J and Lightfoot P C. 2005. Formation of magmatic nickel sulfide ore deposits and processes affecting their copper and platinum group element contents[J]. Economic Geology 100th Anniversary Volume: 179-214.
[15]  Campbell I H and Naldrett A J. 1979. The influence of silicate: Sulfide ratios on the geochemistry of magmatic sulfides[J]. Econ. Geol., 74: 1503-1506.
[16]  Campbell I H and Barnes S J. 1984. A model for the geochemistry of the platinum-group elements in magmatic sulfide deposits[J]. Canadian Mineralogist, 22(1): 151-160.
[17]  Chai Gang and Naldrett A J. 1992. Characteristics of Ni-Cu-PGE mine-ralization and genesis of the Jinchuan deposit, Northwest China[J]. Econ. Geol., 87: 1475-1495.
[18]  Chen L M, Song X Y, Keays R R, Tian Y L, Wang Y S, Deng Y F and Xiao J F. Segregation and fractionation of magmatic Ni-Cu-PGE sulfides in the western Jinchuan intrusion, NW, China: Insights from platinum-group element geochemistry[J]. Econ. Geol., (in press).
[19]  Crocket J H. 2002. Platinum-group element geochemistry of mafic and ultramafic rocks[J]. Canadian Institute of Mining, 54: 177-210.
[20]  De Waal S A, Xu Z G, Li C S and Mouri H. 2004. Emplacement of viscous mushes in the Jinchuan ultramafic intrusion, western China[J]. Canadian Mineralogist, 42(2): 371-392.
[21]  更多...
[22]  Fleet M E and Stone W E. 1991. Partitioning of platinum-group elements in the Fe-Ni-S system and their fractionation in nature[J]. Geochim. Cosmochim. Acta, 53: 245-253.
[23]  Jiao J G, Lesher C M and Tang Z L. Spatial distribution of siderophile elements and genesis of the Jinchuan Ni-Cu-(PGE) deposit[J]. Econ. Geol., (in press).
[24]  Keays R R, Nickel E H, Groves Di and McGoldrick P J. 1982. Iridium and palladium as discriminants of volcanic-exhalative, hydrothermal, and magmatic nickel sulfide mineralization[J]. Econ. Geol., 77(6): 1535-1547.
[25]  Li C S, Maier W D and De Waal S A. 2001. Magmatic Ni-Cu versus PGE deposits: Contrasting genetic controls and exploration implications[J]. South African Journal of Geology, 104(4): 309-318.
[26]  Li C S, Xu Z, Sybrand A W, Edward M R and Wolfgang D M. 2004. Compositional variations of olivine from the Jinchuan Ni-Cus ulfide deposit, western China: Implications for ore genesis[J]. Mineralium Deposita, 39(2): 159-172.
[27]  Maier W D, Barnes S J, De Klerk W J, Teigler B and Mitchell A A.1996. Cu/Pd and Cu/Pt of silicate rocks in the Bushveld Complex; implications for platinum-group element exploration[J]. Econ. Geol., 91(6): 1151-1158.
[28]  Maier W D, Barnes S J, Gartz V and Andrews G. 2003. Pt-Pd reefs in magnetitites of the Stella layered intrusion, South Africa: A world of new exploration opportunities for platinum group elements[J]. Geology, 31: 885-888.
[29]  Naldrett A J. 1999. Key factors in genesis of Noril\'sk, Sudbury, Jinchuan, Voisey\'s Bay and other world-class Ni-Cu-PGE deposits: Implications for exporation[J]. Australian Journal of Earth Sciences, 44: 283-315.
[30]  Naldrett A J, Asif M, Krstic S and Li C. 2000. The composition of mineralization at the Voisey\'s Bay Ni-Cu sulfide deposit, with special reference to platinum-group elements[J]. Econ. Geol., 95(4): 845-865.
[31]  Naldrett A J. 2004. Magmatic sulfide deposits: Geology, geochemistry and exploration[M]. Springer.
[32]  Ripley E M, Sarkar A and Li C. 2005. Mineralogic and stable isotope studies of hydrothermal alteration at the Jinchuan Ni-Cu deposit, China[J]. Econ. Geol., 100(7): 1349-1361.
[33]  Peach C L, Mathez E A, Keays R R and Reeves S J. 1994. Experimentally determined sulfide melt-silicate melt partition coefficients for Ir and Pd[J]. Chemical. Geology, 117: 361-377.
[34]  Qi L, Zhou M F and Wang C Y. 2004. Determination of low concentrations of platinum group elements in geological samples by ID-ICP-MS[J]. Journal of Analytical Atomic Spectrometry, 19(10): 1335-1339.
[35]  Song X Y, Zhou M F, Wang C Y, Qi L and Zhang C J. 2006. Role of crustal contamination in formation of the jinchuan intrusion and its world-class Ni-Cu-(PGE) sulfide deposit, Northwest China[J]. International Geology Review, 48: 1113-1132.
[36]  Song X Y, Keays R R, Zhou M F, Qi L, Lelenfeld C and Xiao J F. 2009. Siderophile and chalcophile elemental constraints on the origin of the Jinchuan Ni-Cu-(PGE) sulfide deposit, NW China[J]. Geochim. Cosmochim. Acta, 73(2): 404-424.
[37]  Song X Y, Leonid V D, Keays R R, Chen L M, Wang Y S, Tian Y L and Xiao J F. 2012. Structural, lithological, and geochemical constraints on the dynamic magma plumbing system of the Jinchuan Ni-Cu sulfide deposit, NW China[J]. Mineralium Deposita, 47(3): 277-297.
[38]  Tonnelier N J. 2010. Geology and genesis of the Jinchuan Ni-Cu-(PGE) deposit, China[D]. Unpublished Ph.D. thesis. Sudbury, Canada, Laurentian University.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133