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  2003 

藏北美多锑矿床容矿硅质岩的地质地球化学特征及成因

Keywords: 地球化学,硅质岩,锑矿,热水沉积,美多,藏北

Full-Text   Cite this paper   Add to My Lib

Abstract:

文章通过野外地质调查和系统的岩石学、岩石化学、稀土及微量元素地球化学研究,探讨了藏北美多锑矿床容矿硅质岩的成因和大地构造环境。研究结果表明,美多锑矿容矿硅质岩以致密块状硅质岩为主;主元素化学组成表明,其形成时有大量陆源火山碎屑物质的介入;稀土元素组成及配分模式与热水硅质岩不同,显示其形成于大陆边缘环境;硅质岩和凝灰岩均呈Ba、Sr、P、Ti明显亏损和Nb弱亏损的特点,类似于成熟大陆弧花岗岩。

References

[1]  [23]西藏自治区地质矿产局. 1993. 西藏自治区区域地质志[M]. 北京: 地质出版社.
[2]  [24]杨建民, 王登红, 毛景文, 等. 1999. 硅质岩岩石化学研究方法及其在"镜铁山式铁矿床中的应用"[J]. 岩石矿物学杂志, 18(2): 108~120.
[3]  [25]翟裕生, 张湖, 宋鸿林, 等. 1997. 大型构造与超大型矿床[M]. 北京: 地质出版社.
[4]  [26]周永章, 涂光炽, Edward H C, 等. 1994. 粤西古水剖面震旦系顶部层状硅岩的热水成因属性:岩石学和地球化学证据[J]. 沉积学报, 12(3): 1~11.
[5]  [18]Zhou Y Z, Tu G Z, Edward H C, et al . 1994. Hydrothermal origin of Top Sinian chert formation at Gushui, western Guangdong, China: petrologic and geochemical evidence[J]. Acta Sedimentologica Sinica, 12(3): 1~11(in Chinese with English abstract).
[6]  [19]Zhai Y S, Zhang H, Song H L, et al. 1997. Macroscopic structure and superlarge ore deposits[M]. Beijing: Geol. Pub. House (in Chinese with English abstract).
[7]  [20]韩发, Hutchinson R W. 1989. 大厂锡多金属矿床热液喷气沉积的证据--含矿建造及热液沉积岩[J]. 矿床地质, 8(2): 25~40.
[8]  更多...
[9]  [21]李昌年. 1992. 火成岩微量元素岩石学[M]. 武汉: 中国地质大学出版社.
[10]  [22]王江海, 颜文, 常向阳, 等. 1998. 陆相热水沉积作用--以云南地区为例[M]. 北京: 地质出版社.
[11]  [1]Adachi M, Yamamoto K and Sugisaki R. 1986. Hydrothermal chart and associated siliceous rocks from the northern Pacific: their geological significance as indication of ocean ridge activity[J]. Sedimentary Geology, 47: 125~148.
[12]  [2]Bostrom K and Peterson M N A. 1969. The origin of aluminum-poor ferromanganoan sediments in areas of high heat flow on the East Pacific Rise[J]. Marine Geology, 7: 427~447.
[13]  [3]Bureau of Geology and Mineral Resources of Tibet. 1993. Regional geology of Tibet [M]. Beijing: Geol. Pub. House (in Chinese with English abstract).
[14]  [4]Fleet A J. 1983. Hydrothermal and hydrogenous ferro-manganese deposit: Do they from continent?The rare earth element evidence[A]. In: Rona P A, et al., ed. Hydrothermal processes at seafloor spreading centers[C]. New York: Plenum Press. 535~556.
[15]  [5]Han F and Hutchinson R W. 1989. Evidence for exhalative origin for rocks and ores of the Dachang tin polymetallic field: the ore-bearing formation and hydrothermal exhalative sedimentary rocks[J]. Mineral Deposits, 8(2): 25~40 (in Chinese with English abstract).
[16]  [6]Li C N. 1992. Trace element petrology of igneous[M]. Wuhan: China University of Geosciences Press(in Chinese).
[17]  [7]Martin J M and Mason B. 1976. Rare earth element supply to the ocean[J]. Geophys. Res. , 81: 3124~3199.
[18]  [8]Murray R W, Buchholtz T, Brink M R, et al. 1990. Rare earth elements as indicators of different marine depositional environments in chert and shale[J]. Geol., 18: 268~271.
[19]  [9]Murray R W, Buchholtz T, Brink M R, et al. 1991. Rare earth, major, and trace elements in chert from the Franciscan comlex and Monterey Group, California:Assessing REE sources to fine-grained marine sediments[J]. Geochim. Cosmochim. Acta, 55: 1875~1895.
[20]  [10]Pollock S G. 1987. Chert formation in an Ordovician volcanic arc[J]. J. Sedimentary Petrology[J]. 57: 75~87.
[21]  [11]Sugisaki R. 1982. Triassic bedded cherts in central Japan are not pelagic[J]. Nature, 298: 644~647.
[22]  [12]Sugisaki R. 1984. Relation between chemical composition and sedimentation rate of Pacific ocean-floor sediments deposited since the middle Cretaceous:Basic evidence for chemical constraints on depositional environments of ancient sediments[J]. J. Geol., 92: 235~259.
[23]  [13]Wang J H, Yan W, Chang X Y, et al. 1998. Continental hydrothermal sedimentation: a case study of the Yunnan area, China[M]. Beijing: Geol. Pub. House(in Chinese with English abstract).
[24]  [14]Yamamoto K. 1983. Geochemical study of Triassic bedded cherts from Kamiaso, Gifu Prefecture[J]. J. Geol. Soc. Jpn., 89: 117~128.
[25]  [15]Yamamoto K, Sugisaki R and Arai F. 1986. Chemical aspects of alteration of acidic tuffs and their application to siliceous deposits[J]. Chem. Geol., 55: 61~76.
[26]  [16]Yamamoto K. 1987. Geochemical characteristics and depositional environments of cherts and associated rocks in the Franciscan and Shimanto terranes[J]. Sedimentary Geology, 52: 65~108.
[27]  [17]Yang J M, Wang D H, Mao J W, et al. 1999. The petrochemical research method for silicalite and its application to the "Jingtieshan Type" iron deposits[J]. Acta Petrologica et Mineralogica, 18(2): 108~120(in Chinese with English abstract).

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133