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...
地球学报  2001 

四川杨柳坪Cu—Ni—PGE矿区基性—超基性岩的地球化学特征及其含矿性

Keywords: 基性-超基性岩,含矿性,岩石化学,Cu-Ni-PGE矿床,四川杨柳坪

Full-Text   Cite this paper   Add to My Lib

Abstract:

杨柳坪矿区的基性-超基性岩主要呈层状产出,可以分为2类,即含矿的强蚀变超基性岩和不含矿的弱蚀变或未明显蚀变的基性岩,前者属于苦橄岩并具有科马提岩的地球化学特征(不具鬣刺结构,但可称为科马提质的苦橄岩),同时还具有高H2O^、高CO2的特点,并且H2O^、CO2越高矿化越强,表明成矿作用与热液蚀变有关,后者在地质特征和地球化学特征上与峨眉山玄武岩相似,成矿元素含量正常。

References

[1]  Viljoen M J,The nature and distribution of Archean komatiite volcanics in South Africa,London: George Allen & Unwin,1982.
[2]  Li C S;Lightfoot P C;Amelin Y,Contrasting petrological and geochemical relationship in the Voisey\'s Bay and Mushuau intrusions with respect to ore genesis,Economic Geology and the Bulletin of the Society of Economic Geologists,2000(04).
[3]  Farrow C E G;Watkinson D H,Diversity of precious metal mineralization in footwall Cu-Ni-PGE deposits.Sudbury, Ontario: Implications for hydrothermal models of crystallization,The Canadian Mineralogist,1997.
[4]  张云湘;骆耀南;杨崇喜,攀西裂谷,北京:地质出版社,1988.
[5]  吴利仁,论中国基性岩、超基性岩的成矿专属性,地质科学,1963(01).
[6]  梅厚钧,西南暗色岩深渊分异两个系列的岩石化学特征与铁镍矿化的关系,地球化学,1973(04).
[7]  A.J.Naldrett,World-class Ni-Cu-PGE deposits: key factors in their genesis,Mineralium deposita?,1999, 34(3).
[8]  Naldrett A J;Cabri L J,Ultramafic and related mafic rocks: their classification and genesis with special reference to the concentration of nickel sulfides and platinum-group elements,Economic Geology and the Bulletin of the Society of Economic Geologists,1976.
[9]  Le Maitre R W,Some problems of the projections of chemical data into mineralogical classifications,Contributions to Mineralogy and Petrology,1976.
[10]  Beswick A E,Some geochemical aspects of alteration, and genetic relation in komatiitic suites,London: George Allen & Unwin,1982.
[11]  王登红;楚萤石;罗辅勋;卢治安, 唐志锌.四川杨柳坪Cu-Ni-PGE富矿体的成因及意义[J].地球学报,2000(03)

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133