南海表层沉积物中铂族元素的地球化学分布特征及其影响因素

朱赖民; 尚婷; 高志友; 李犇; 许江

南海表层沉积物中铂族元素的地球化学分布特征及其影响因素

1.
西北大学地学系大陆动力学国家重点实验室,陕西西安 710069
2.
成都理工大学核技术与自动化工程学院,四川成都 610059
3.
国家海洋局第三海洋研究所,福建厦门 361005

基金项目: 国家海洋局第三海洋研究所基本科研业务费专项(2007019);国家重大基础研究项目(2006CB403502);国家自然科学基金项目(40872071;40060005);南京大学内生成矿作用国家重点实验室项目(14-08-1);中国科学院地球化学研究所环境地球化学国家重点实验室项目(SKLEG5001)。

计量
- 文章访问数: 1687
- HTML全文浏览量: 10
- PDF下载量: 976
- 被引次数: 0
出版历程
- 收稿日期: 2009-04-29

Geochemical distributions and their impacts of platinum group elementsfrom surficial sediments in the South China Sea

1.
State Key Laboratory of Continental Dynamics, Department of Geology,Northwest University,Xi’an 710069,China
2.
College of Applied Nuclear Technology and Automation Engineering Chengdu Institute of Technology,Chengdu 610059,China
3.
Third Institute of Oceanography,State Oceanic Administration,Xiamen 361005,China

Funds: 无

摘要

摘要: 报道了南海表层沉积物中铂族元素的丰度及其分布特征。52个表层沉积物中铂族元素(PGE)含量变化范围:钌为0.40×10^-9~3.20×10^-9,平均值为1.20×10^-9;钯为0.01×10^-9~13.30×10^-9,平均值为4.31×10^-9;铱为0.59×10^-9~4.49×10^-9,平均值为1.21×10^-9;铂为1.27×10^-9~16.21×10^-9,平均值为5.26×10^-9;铑为0.05×10^-9~0.2×10^-9,平均值为0.12×10^-9;金为0.43×10^-9~27.38×10^-9,平均值为6.92×10^-9。尽管PGE含量与沉积物平均粒径的关系不是很明显,但是整体上随平均粒径的增大,PGE含量出现逐渐减少的趋势,表现出一定的粒度控制规律。南海全海域表层沉积物铂、钯、钌、铑、铱和金的估算背景值分别为1.168×10^-9±0.190×10^-9,3.228×10^-9±0.403 ×10^-9,1.085×10^-9±0.189 ×10^-9,4.432×10^-9±0.258 ×10^-9,0.123×10^-9±0.023 ×10^-9和4.720×10^-9±0.413 ×10^-9,远高于我国大陆东部地壳的,而与深海沉积物的基本处于同一水平,表现出了海洋沉积物富集PGE的固有特征。尽管PGE在大陆架区有所富集,但明显富集区主要分布在吕宋岛以西至中央海盆区域,指示海底火山喷发作用释放的PGE对南海中西部深海盆区沉积物中的PGE可能有重要贡献。
- 铂族元素 /
- 地球化学分布 /
- 表层沉积物 /
- 南海
Abstract: The content values and distribution of the PGE from surficial sediments in the South China Sea are reported .The contents (in dried weight) of rathenium, palladium,iridium, platium, rhodium, gold in 52 surficial sediments are 0.40×10^-9~3.20×10^-9(average 1.20×10^-9), 0.01×10^-9~13.30×10^-9(average 4.31×10^-9), 0.59×10^-9~4.49×10^-9(average 1.21×10^-9), 1.27×10^-9~16.21×10^-9(average 5.26×10^-9), 0.05×10^-9~0.20×10^-9(average 0.12×10^-9) and 0.43×10^-9~27.38×10^-9(average 6.92×10^-9) ,respectively.The relationship between contents and grain sizes is not clear,but the contents of palatinum group elements show a decreasing trend with the increase of grain size generally. The calculated background values of platinum, palladium,ruthenium,rhodium,iridium and gold are 1.168×10^-9±0.190×10^-9,3.228×10^-9±0.403×10^-9,1.085×10^-9±0.189×10^-9,4.432×10^-9±0.258×10^-9,0.123×10^-9±0.023×10^-9 and 4.720×10^-9±0.413×10^-9,respectively, which are much higher than those of the continental crust of eastern China,but keep the same order with the sediments of deep ocean or slightly higher than them, and showing the connatural characterstics of the marine sediments rich in platinum group elements.The platinum group elements enrich not only in shallow continental shelf area of main river mouths,but also in central deep sea basin area due to the contribution of volcanics input in deep ocean basin area.
- platinum group element /
- geochemical distribution /
- surficial sediments /
- South China Sea

HTML全文

参考文献(41)

VOS E D, EDWARDS S J, MCDONALD I, et al. A baseline survey of the distribution and origin of platinum group elements in contemporary fuvial sediments of the Kentish Stour[J]. England Applied Geochemistry, 2002, 17: 1115—1121.

VAUGHAN G T, FLORENCE T M. Platinum in the human diet, blood, hair and excreta[J]. The Science of the Total Environment, 1992, 111:47—58.

邹洪, 郭启华, 谷学新,等. 环境和生物样品中铂族金属的分析研究进展[M]. 分析化学, 2003, 31(5): 624—630.

KHAIWAL R, LASZLO B , RENE V G. Platinum group elements in the environment and their health risk[J]. The Science of the Total Environment,2004, 134: 1—43.

SCHMIDT G P H, KRATZ K L. Highly siderophile elements (Re,Os,Ir, Ru, Rh, Pd, Au) in impact melts from three European impact craters (Saaksjarvi, Mien and Dellen):clues to the nature of the impact bodies[J]. Geochimica et Cosmochimica Acta , 1997, 61: 2977—2987.

BOWLES J F W, GIZE A P, VAUGHAN D J, et al. Development of platinum-group minerals in laterites-initial comparison of organic and inorganic controls[J]. Trans Inst Mining Metall:Section B, 1994, 103: 53—56.

MATTHEW R D. Issues in Environmental Geology: A British Perspective[M]. Bath , UK: The Geological Society, 1998: 290—300.

孙晓明, 薛婷, 何高文,等. 太平洋海山富钴结壳铂族元素(PGE)和Os同位素地球化学及其成因意义[J].岩石学报, 2006, 22(12): 3014—3026.

曹志敏, 安伟. 马里亚纳海槽扩张轴(中心)玄武岩铂族元素特征[J]. 海洋学报, 2006, 28(5): 69—75.

LEE C A, WASSERBURG G J, KYTE F T, et al. Platinum-group elements (PGE) and rhenium in marine sediments across the Cretaceous Tertiary boundary:constraints on Re-PGE transport in the marine environment[J]. Geochimica et Cosmochimica Acta, 2003, 67(4):655—670.

CROCKET J H. Noble metals in seafloor hydrothermal mineralization from the Juan de Fuca and mid Atlantic ridges:a fractionation of gold from platinum metals in hydrothermal fluids[J]. Can Mincral, 1990, 28: 639—648.

KATHE K, BERTINE M, KOIDE E D G.Comparative marine chemistries of some trivalent metals-bismuch,rhodium and rare earth elements[J]. Marine Chemistry, 1996, 53: 89—100.

KOIDE M, HODGE V F, YANG J S, et al. Some comparative marine chemistries of rhenium, gold, silver and molybdenum[J]. Applied Geochemistry, 1986, 1: 705—714.

KOIDE M, GOLDBERG E D, NIEMEYER S G , et al. Osmium in marine sediments[J]. Geochimica et Cosmochimica Acta,1991, 55: 1641—1648.

PASAVA J.Anoxic sediments-an important environment for PGE[J]. An Overview Ore Geology Reviews, 1993, 8: 425—445.

BRIAN M, GRAHAM B. South China Sea[J]. Marine Pollution Bulletin, 2001, 42: 1236—1263.

朱赖民, 高志友, 尹观,等.南海表层沉积物的稀土和微量元素的丰度及其空间变化[J].岩石学报,2007, 23(11): 2963—2980.

张远辉, 杜俊民. 南海表层沉积物中主要污染物的环境背景值[J].海洋学报,2005, 27(4): 161—166.

尚婷, 朱赖民, 高志友,等.南海表层沉积物铅的环境质量状况及其来源的铅同位素示踪[J].地质论评,2008, 54(1): 71—81.

郭炳火, 黄振宗, 李培英,等.中国近海及临近海域海洋环境[M]. 北京: 海洋出版社, 2004: 311—319.

甘居利, 贾晓平, 李纯厚,等.南海北部陆架区表层沉积物中重金属分布和污染状况[J]. 热带海洋学报, 2003, 22(1): 36—42.

刘昭蜀, 赵焕庭, 范时清,等. 南海地质[M]. 北京:科学出版社, 2002: 502.

罗又郎, 冯伟文, 林怀兆. 南海表层沉积类型与沉积作用若干特征[J]. 热带海洋, 1994, 13(1): 47—54.

温孝胜, 刘韶, 张惠玲,等.南海沉积物中U,Th分布特征及其古环境意义[J].热带海洋, 1997, 16(3): 32—40.

许东禹, 刘锡清, 张训华,等. 中国近海地质[M]. 北京:地质出版社,1997: 308.

古森昌, 陈绍谋, 吴必豪,等.南海表层沉积物稀土元素的地球化学[J].热带海洋, 1989, 8(2): 93—101.

李粹中. 南海中部沉积物的元素地球化学[J]. 东海海洋, 1987, 5(1-2): 77—91.

杨群慧, 林振宏. 南海中东部表层沉积物矿物组合分区及其地质意义[J]. 海洋与湖沼, 2002, 33(6): 591—599.

张富元, 张霄宇, 杨群慧,等.南海东部海域的沉积作用和物质来源研究[J]. 海洋学报, 2005, 27(2): 79—89.

张宵宇, 张富元, 章伟艳.南海东部海域表层沉积物锶同位素物源示踪研究[J]. 海洋学报,2003, 25(4): 43—49.

漆亮, 胡静. 离子体质谱法快速测定地质样品中的痕量铂族元素和金[J]. 岩矿测试, 1999, 18(4): 266—270.

皮道会, 邓海琳, 李朝阳. 铂族元素的表生地球化学研究进展[J]. 矿物岩石地球化学通报, 2004, 23(4): 355—359.

刘恩峰,沈吉.沉积物金属元素变化的粒度效应——以太湖沉积岩芯为例[J]. 湖泊科学, 2006, 18(4): 368.

JIANG S Y, YANG J H, LING H F, et al.Re-Os isotopes and PGE geochemistry of black shales and intercalated Ni-Mo polmetallic sulfide bed from the Lower Cambrian Niutitang Formation,South China[J]. Progress In Natural Sciences,2003, 13(10): 788—794.

HAECKEL M, BEUSEKOM J V,WIESNER M G, et al. The impact of the 1991 Mount Pinatubo tephra fallout on the geochemical environment of the deep sea sediments in the South China Sea[J]. Earth and Planetary Science Letters, 2001, 193: 151—166.

WIESNER M G, WANG Y B, ZHENG L F. Fallout of volcanic ash to the deep South China Sea induced by the 1991 eruption of Mount Pinatubo (Philippines) [J]. Geology, 1995, 23: 885—888.

陈忠,夏斌,颜文,等. 南海火山玻璃的分布特征、化学成分及源区探讨[J]. 海洋学报, 2005, 27(5): 73—80.

刘国伟, 伊洪宗, 何锡文. 不确定度评定中离群值的检验及计算机编程[J]. 冶金分析,2004, 24(4): 63—66.

曲庆云,赵晓梅,阮桂海.统计分析方法——SAS实例精选[M]. 北京:清华大学出版社, 2004: 56—63.

鄢明才, 迟清华, 顾铁新,等.中国东部上地壳化学组成[J]. 中国科学:D辑,1997,27(3): 193—199.

赵一阳, 鄢明才. 中国浅海沉积物化学元素丰度[J]. 中国科学:B辑,1993, 23: 1084—1090.

施引文献

资源附件(0)

访问统计