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Characteristics of Manganese Nodule from the East Siberian Sea

동시베리아해 망간단괴의 특성

  • Koo, Hyo Jin (Department of Geology and Research Institute of Natural Science, Gyeongsang National University) ;
  • Cho, Hyen Goo (Department of Geology and Research Institute of Natural Science, Gyeongsang National University) ;
  • Yoo, Chan Min (Deep-Sea and Seabed Resources Research Center, Korea Institute of Ocean Science and Technology) ;
  • Jin, Young Keun (Division of Polar Earth-System Sciences, Korea Polar Research Institute)
  • 구효진 (경상대학교 지질과학과 및 기초과학연구소) ;
  • 조현구 (경상대학교 지질과학과 및 기초과학연구소) ;
  • 유찬민 (한국해양과학기술원 심해저광물자원연구센터) ;
  • 진영근 (극지연구소 극지지구시스템연구부)
  • Received : 2017.12.18
  • Accepted : 2017.12.27
  • Published : 2017.12.30

Abstract

Manganese (Mn) nodules in the Arctic Sea have been founded in the Kara Sea and Barents Sea, but mineral and chemical compositions have been rarely investigated. In this study, mineralogical and geochemical characteristics of Mn nodules obtained during the Arctic Expedition ARA07C in northern East Siberian Sea were identified, and then genesis of Mn nodules were estimated by using these characteristics. Main manganese oxide minerals constituting the manganese nodule were buserite, birnessite, and vernadite. The Mn nodules generally represent radiated and massive texture, and the layered texture was developed restrictively. The radiated texture, main feature of the manganese nodule in the East Siberian Sea, is mainly composed of cuspate-globular microstructure. Compared with the Mn nodules in Pacific and Indian Oceans, Mn nodules of the East Siberian Sea are abundant in Mn, but Fe is too scarce. There was no difference in the chemical composition and microstructures between outer and inner part of nodule. Therefore, nodules are most likely to have only one genesis during their growth, and all of nodules indicate the diagenetic in $Mn-Fe-(Cu+Ni+Co){\times}10$ ternary diagram. It is considered that the manganese nodules in the East Siberian Sea are characterized by high Mn contents because manganese contents in the Arctic Ocean were mainly resulted from river or coastal erosion and most of them are trapped in the Arctic Ocean.

북극해 망간단괴는 카라해, 바렌츠해 등에서 발견되었지만, 광물조성과 화학조성에 대해서는 정확하게 조사된 바가 없다. 이번 연구에서는 Arctic Expedition ARA07C 탐사를 통해 동시베리아 북부 해역에서 획득한 망간단괴에 대하여, 광물학적 및 지구화학적 특성을 파악하고, 이를 통하여 그 성인에 대하여 추정하였다. 망간단괴를 구성하는 주된 산화망간광물은 부서라이트, 버네사이트, 버나다이트 등이다. 망간단괴는 대체로 방사상대와 괴상대 조직을 나타내며, 층상대는 제한적으로 발달한다. 동시베리아해 망간단괴의 주요한 특징인 방사상대에는 주로 첨-구상조직이 발달한다. 동시베리아해 망간단괴는 태평양이나 인도양에서 산출되는 망간단괴에 비하여 Mn은 풍부하지만 Fe의 함량은 매우 부족하다. 단괴 외곽과 내부, 또는 미세조직에 따른 화학성분의 차이는 거의 없었다. 미세조직 간의 화학적 성분 차이가 거의 나타나지 않기 때문에 단괴는 성장하는 동안 하나의 성인을 가질 가능성이 크며, $Mn-Fe-(Cu+Ni+Co){\times}10$ 삼각도표에서 모두 속성기원을 지시한다. 북극해로 유입되는 대부분의 Mn은 강 또는 연안 침식에 의해 비롯되며, 이들 대부분이 북극해에 갇혀져 있기 때문에 동시베리아해 망간단괴에서 특징적으로 높은 Mn 함량을 나타내는 것으로 판단된다.

Keywords

References

  1. Banerjee, R., Roy, s., Dasgupta, S., Mukhopadhyay, S., and Miura, H. (1999) Petrogenesis of ferromanganese nodules from east of the Chagos archipelage, Central Indian Basin, Indian Ocean. Marine Geology, 157, 145-158. https://doi.org/10.1016/S0025-3227(98)00156-X
  2. Baturin, G.N. and Dubinchuk, V.T. (2011) The composition of ferromanganese nodules of the chukchi and East Siberian Seas. Doklady Earth Sciences, 440, 1258-1264. https://doi.org/10.1134/S1028334X11090029
  3. Baturin, G.N., Dubinchuk, V.T., and Novigatsky, A.N. (2016) Phase distribution of elements in ferromanganese nodules of the Kara Sea. Doklady Earth Sciences, 471, 1199-1203. https://doi.org/10.1134/S1028334X16110209
  4. Baturin, G.N., Dubinchuk, V.T., Ovsyannikov, A.A., and Rashidov, V.A. (2017) Ferromanganese nodules from the East Siberian Sea near Bennett Island. Oceanology, 57, 707-715. https://doi.org/10.1134/S0001437017050022
  5. Bogdanova, O.Yu., Gorshkov, A.I., Novikov, G.V., and Bogdanov, Yu.A. (2008) Mineralogy of morphogenetic types of ferromanganese deposits in the world ocean. Geology of Ore Deposits, 50, 462-469. https://doi.org/10.1134/S1075701508060044
  6. Bonatti, E., Kraemer, T., and Rydell, H. (1972) Classification and genesis of submarine iron-manganese deposits. In: Horn, D.R. (Ed.), Ferromanganese Deposits on the Ocean Floor. NSF. Washington D.C., pp. 149-166.
  7. Choi, H.S., Chang, S.-W., and Lee, S.-R. (2000) Correlation between mineralogical and chemical compositions of the micro-textures in manganese nodules. Journal of the Mineralogical Society of Korea, 13, 205-220 (in Korean with English abstract).
  8. Hein, J.R. and Koschinsky, A. (2014) Deep-ocean ferromanganese crusts and nodules. In: Holland, H.D., Turekian, K.K. (eds.), Treatise on Geochemistry (2nd ed.), vol.13, Elsevier, Oxford, 273-291.
  9. Korea Energy Economics Institute (KEEI) (2010) Present state and future of the Arctic resource development, research report, 10-03, 105p.
  10. Macdonald, R.W. and Gobeil, C. (2012) Manganese sources and sinks in the Arctic Ocean with reference to periodic enrichments in basin sediments. Aquatic Geochemisty, 18, 565-591. https://doi.org/10.1007/s10498-011-9149-9
  11. Marz, C., Stratmann, A., Matthiessen, J., Meinhardt, A.-K., Eckert, S., Schnetger, B., Vogt, C., Stein, R., and Brumsack, H.-J. (2011) Manganese-rich brown layers in Arctic Ocean sediments: Composition, formation mechanisms, and diagenetic overprint. Geochimica et Cosmochimica Acta, 75, 7668-7687. https://doi.org/10.1016/j.gca.2011.09.046
  12. Ministry of Maritime Affairs and Fisheries (MOMAF) (2003) A report on 2002 deep seabed mineral resources exploration. CRPM137-00-1503-5, Seoul, 683p.
  13. Murray, J. and Renard, A.F. (1891) Report on deep-sea deposits. Report on the Scientific Result of the Voyage of H.M.S. challenger During the Years 1873-1876. Neil and Co., Edinburgh, 520p.
  14. Nordenskjold, A.E. (1881) The voyage of the Vega round Asia and Europe. Vol. 1, Macmillan and Co., London, 564p.
  15. Pal'chik, N.A., Grigor'eva, T.N., and Moroz, T.N. (2013) Natural and synthetic manganese minerals. Russian Journal of Inorganic Chemistry, 58, 138-143. https://doi.org/10.1134/S0036023612120169
  16. U.S. Geological Survey (USGS) (2008) Circum-Arctic Resource Appraisal; Estimates of Undiscovered Oil and Gas North of the Arctic Circle. USGS Fact Sheet 2008-3049, Washington D.C.
  17. Wegorzewski, A.V. and Kuhn, T. (2014) The influence of suboxic diagenesis on the formation of manganese nodules in the Clarion Clipperton nodule belt of the Pacific Ocean. Marine Geology, 357, 123-138. https://doi.org/10.1016/j.margeo.2014.07.004
  18. Zhong, Y., Chen, Z., Gonzalez, F.J., Hein, J.R., Zheng, X., Li, G., Luo, Y., Tian, Y., and Wang, S. (2017) Composition and genesis of ferromanganese deposits from the northern South China Sea. Journal of Asian Earth Sciences, 138, 110-128. https://doi.org/10.1016/j.jseaes.2017.02.015

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