南海西北陆缘多金属结核地球化学特征及成因

张振国; 方念乔; 杜远生; 高莲凤; 杨胜雄; 刘坚; 宋城兵

Volume 34 Issue 6

Jun. 2009

Turn off MathJax

Article Contents

Article Navigation > Earth Science > 2009 > 34(6): 955-962

ZHANG Zhen-guo, FANG Nian-qiao, DU Yuan-sheng, GAO Lian-feng, YANG Sheng-xiong, LIU Jian, SONG Cheng-bing, 2009. Geochemical Characteristics and Their Causative Mechanism of Polymetallic Nodules from the Northwest Continental Margin of the South China Sea. Earth Science, 34(6): 955-962.

Citation:

PDF( 481 KB)

Geochemical Characteristics and Their Causative Mechanism of Polymetallic Nodules from the Northwest Continental Margin of the South China Sea

1.
Faculty of Earth Sciences, China University of Geosciences, Wuhan 430074, China
2.
CAS Key Laboratory of Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
3.
College of Resources and Environment, Hebei Polytechnic University, Tang shan 063009, China
4.
School of Ocean Sciences, China University of Geosciences, Beijing 100083, China
5.
Guang zhou Marine Geo logical Survey, The Ministry of Land and Resources of P.R.C., Guangzhou 510075, China

Received Date: 2008-12-11
Publish Date: 2009-11-25

Abstract

Abstract

This study employs various observation and analytical techniques including electron microprobe analysis, X-ray difraction (XRD) and ICP-MS (AES) on polymetallic nodules collected from the northwest continental margin of the South China Sea. The analyses indicate that the cores of the samples are made up of quartz, illite, albite and chlorite, whereas the shells are made up of δMnO₂. The samples are rich in Fe, Si, and ∑REE, and they are poor in Mn, Cu, Co and Ni. These samples show lower ratios of Mn/Fe. The characteristics of the REE (rare earth elements) show higher contents with more than 1472.30×10^-6 in average. Heavy REE (HREE) depletes relative to the light REE (LREE) very obviously that the latter is 19.54 times than that of the former, and shows distinct enrichment of δCe. The elements of Fe, Mn, Cu and Co change obviously in different ways from the inner crust to the outer. These characteristics show that the growth of the nodules has been affected by the environmental fluctuations and the change of terrigenous sediments. In this condition, Fe, REE and Si are enrichment, but Mn and Ca are dilutedness. Elements correlation of Mn-Fe- (Cu+Ni) ×10 suggests that the origin of the sample may be hydrogenic. This study comes to the conclusion that these nodules are dominative due to the special environment of the marginal sea which includes the geographical condition and the oceanic environmental factors.
- polymetallic nodules,
- geochemical characteristics,
- causative mechanism,
- the South China Sea,
- the northwest continental margin

FullText(HTML)

References(32)

References

Bao, G. D., Li, Q. X., 1993. Geochemistry of rare earth elements in ferromanganese nodules (crusts) of the South China Sea. Oceanologia et Limnologia Sinica, 24 (3): 304-313 (in Chinese with English abstract). http://www.cnki.com.cn/Article/CJFDTotal-HYFZ199303011.htm

Chen, Y. W., Gui, X. T., 1998. Isotope geochemistry of theNansha Islands sea area. Science Press, Beijing, 65-129 (in Chinese).

Feng, X. H., Tan, W. F., Liu, F., et al., 2008. Hydrothermal synthesis of todorokite and its influencing factors. Earth Science—Journal of China University of Geosciences, 30 (3): 347-352 (in Chinese with English abstract). http://en.cnki.com.cn/Article_en/CJFDTOTAL-DQKX200503011.htm

Florence, N., Peter, J., Matt, M., 2007. Processes influencing dissolvediron distributions below the surface at the Atlantic Ocean-celtic sea shelf edge. Marine Chemistry, 104 (3-4): 156-170. doi: 10.1016/j.marchem.2006.10.011

Kennett, J. P., Watkins, N. D., 1975. Deep sea erosion and manganese nodule development in Southeast Indian Ocean. Science, 188: 1011-1013. doi: 10.1126/science.188.4192.1011

Lei, G., Bostrom, K., 1995. Mineralogical control on transition metal distributions in marine manganese nodules. Marine Geology, 123 (3-4): 253-261. doi: 10.1016/0025-3227(95)00022-Q

Li, S. L., 2001. Geochemistry of rare earth element in sediments at HY126EA1hole in the continental shelf of the East China Sea. Acta Oceanologica Sinica, 23 (3): 127-132 (in Chinese with English abstract). http://d.wanfangdata.com.cn/Periodical/hyxb200103016

Lin, Z. H., Ji, F. W., Zhang, F. Y., et al., 2003. Characteristics and origin of ferromanganese nodules from the northeastern continental slope of the South China Sea. Marine Geology & Quaternary Geology, 23 (1): 7-12 (in Chinese with English abstract). http://d.wanfangdata.com.cn/periodical/hydzydsjdz200301002

Philomène, A. V., David, S. C., Charles, L. M., 2004. Acomparative analysis of compositional variations in and between marine ferromanganese nodules and crusts in the South Pacific and their environmental controls. Progress in Oceanography, 63 (3): 125-158. doi: 10.1016/j.pocean.2004.11.001

Shi, Y. Z., Hu, C. Y., Fang, N. Q., et al., 2004. Carbon-isotopic composition of organic matter in Co-rich ferromanganese crusts and its implication for paleoceanography. Earth Science—Journal of China University of Geosciences, 29 (2): 148-150, 156 (in Chinese with English abstract). http://www.researchgate.net/publication/291105585_Carbon_isotopic_composition_of_organic_matter_in_co-rich_ferromanganese_crust_and_its_implication_for_paleoceanography

South China Sea Institute of Oceanology, Chinese Academy of Sciences. 1985. Integrated surveying report of the South China Sea (Ⅱ). Science Press, Beijing, 98-101 (in Chinese).

Wang, X. J., Chen, Y. W., Wu, M. Q., 1984. Geochemistry of RE and trace elements in ferromanganese nodules and their genesis. Oceanologia et Limnologia Sinica, 15 (6): 501-514 (in Chinese with English abstract). http://www.cnki.com.cn/Article/CJFDTotal-HYFZ198406000.htm

Xu, D. Y., Jin, Q. H., Liang, D. H., 1994. The ferromanganese nodules (crusts) and their genesis environment. Geological Publishing House, Beijing, 95-105 (in Chinese).

Xu, Z. K., Li, A. C., Jiang, F. Q., et al., 2006. Paleoenvironments recorded in a new-type ferromanganese crust from the east philippine sea. Earth Science—Journal of China University of Geosciences, 31 (3): 301-308 (inChinese with English abstract). http://www.sciencedirect.com/science/article/pii/S1002070506600046

Xu, Z. K., Li, A. C., Yu, X. K., et al., 2008. Elemental occurrence phases of the new-type ferromanganese crusts from the east philippine sea. Earth Science—Journal of China University of Geosciences, 33 (3): 329-336 (inChinese with English abstract). doi: 10.3799/dqkx.2008.043

Zhang, Z. G., 2007. Approach to geochemical characteristicsand minerogenetic environment of polymetallic nodulesfrom the northern continental margin of the SouthChina Sea (Dissertation). China University of Geosciences, Beijing (in Chinese).

Zhang, Z. G., Fang, N. Q., Du, Y. S., et al., 2008. Comparison between northwestern continental margin of the South China Sea and other oceans of geochemical characteristics of polymetallic nodules. Marine Geology & Quaternary Geology, 28 (4): 55-60 (in Chinese with English abstract). http://en.cnki.com.cn/Article_en/CJFDTOTAL-HYDZ200804008.htm

Zhu, K. C., Li, Z. S., He, G. W., et al., 2001. The mineral resources of polymetallic nodules in the eastern Pacific Ocean. Geological Publishing House, Beijing, 163-172 (in Chinese).

鲍根德, 李全兴, 1993. 南海铁锰结核(壳) 的稀土元素地球化学. 海洋与湖沼, 24 (3): 304-313. doi: 10.3321/j.issn:0029-814X.1993.03.013

陈毓蔚, 桂训堂, 1998. 南沙群岛海区同位素地球化学研究北京: 科学出版社, 65-129.

冯雄汉, 谭文峰, 刘凡, 等, 2005. 热液条件下钙锰矿的合成及其影响因素. 地球科学———中国地质大学学报, 30 (3) 3: 47-352. https://www.cnki.com.cn/Article/CJFDTOTAL-DQKX200503011.htm

李双林, 2001. 东海陆架HY126EA1孔沉积物稀土元素地球化学. 海洋学报, 23 (3): 127-132. doi: 10.3321/j.issn:0253-4193.2001.03.016

林振宏, 季福武, 张富元, 等, 2003. 南海东北陆坡区铁锰结核的特征和成因. 海洋地质与第四纪地质, 23 (1): 7-12. https://www.cnki.com.cn/Article/CJFDTOTAL-HYDZ200301002.htm

史跃中, 胡超涌, 方念乔, 等, 2004. 富钴结壳中有机碳同位素组成特征及其古海洋意义. 地球科学———中国地质大学学报, 29 (2): 148-150, 156. https://www.cnki.com.cn/Article/CJFDTOTAL-DQKX200402004.htm

王贤觉, 陈毓蔚, 吴明清, 1984. 铁锰结核的稀土和微量元素地球化学及其成因. 海洋与湖沼, 15 (6): 501-514. https://www.cnki.com.cn/Article/CJFDTOTAL-HYFZ198406000.htm

许东禹, 金庆焕, 梁德华, 1994. 太平洋中部多金属结核及其形成环境. 北京: 地质出版社, 95-105.

徐兆凯, 李安春, 蒋富清, 等, 2006. 东菲律宾海新型富铁锰结壳的古海洋环境记录. 地球科学———中国地质大学学报, 31 (3): 301-308. https://www.cnki.com.cn/Article/CJFDTOTAL-DQKX200603002.htm

徐兆凯, 李安春, 于心科, 等, 2008. 东菲律宾海新型铁锰结壳中元素的赋存状态. 地球科学———中国地质大学学报, 33 (3): 329-336. https://www.cnki.com.cn/Article/CJFDTOTAL-DQKX200803006.htm

张振国, 2007. 南海北部陆缘多金属结核地球化学特征及成矿意义(博士学位论文). 北京: 中国地质大学.

张振国, 方念乔, 杜远生, 等, 2008. 南海西北陆缘多金属结核地球化学及其与大洋结核的对比. 海洋地质与第四纪地质, 28 (4): 55-60. https://www.cnki.com.cn/Article/CJFDTOTAL-HYDZ200804008.htm

中国科学院南海海洋研究所, 1985. 南海海区综合调查报告(二). 北京: 科学出版社, 98-101.

朱克超, 李振韶, 何高文, 等, 2001. 东太平洋多金属结核矿产. 北京: 地质出版社, 163-172.

Relative Articles

Supplements(0)

Cited By

Proportional views

Proportional views

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Figures(4) / Tables(7)

Get Citation

PDF

XML

Article views (4149) PDF downloads(139)

Geochemical Characteristics and Their Causative Mechanism of Polymetallic Nodules from the Northwest Continental Margin of the South China Sea

Abstract

References

Proportional views

Catalog

通讯作者: 陈斌, bchen63@163.com

Proportional views

Export File

Citation

Format

Content