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Article Navigation >  Acta Sedimentologica Sinica  > 1995  >  13(1): 59-68

Jiang Dehe, Yang Zhenqiang, Zhao Shijiu. Studies of Ore-Forming Process of "Taojiang-type manganese",Middle Ordivician in Central Hunan Province[J]. Acta Sedimentologica Sinica, 1995, 13(1): 59-68.
Citation: Jiang Dehe, Yang Zhenqiang, Zhao Shijiu. Studies of Ore-Forming Process of "Taojiang-type manganese",Middle Ordivician in Central Hunan Province[J]. Acta Sedimentologica Sinica, 1995, 13(1): 59-68.
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Studies of Ore-Forming Process of "Taojiang-type manganese",Middle Ordivician in Central Hunan Province

  • Yichang Institute of Geology and Mineral Resources, Hubei, 443003

  • Received Date: 1993-04-08
  • Publish Date: 1995-03-10
  • The "Taojiang-type manganese" is situated at the slope-basin margin factes zone of Modaoxi Formation, Middle Odivician in Central Hunan Province.The manganese-bearing series consists of manganese ore,black carbonaceous mudrock and mass clayrock.The manganese ore bed shows a lot of graded bedding, parallel bedding, small scale cross-bedding, horizontal bedding,braccisted structure and scour mark Structure ......etc.,with ABCE or ABE Bouma sequence,which may berecognized as carbonate gravity flow deposits (turbidite).The formation of manganese ore was affected and controlled by tectonics, sedimentary facies and pelaeogeography, sedimentary geological events and physicochemical condition of medium and so on.There are evidences of sedimentology and geochemistry Showing that the manganese originates from hydrothermal exhalation and extrusion at the spreading sea-noor.The mechanism of manganese ore is divided into two Stugds:first stage is Mn2+ migration in anoxic water;second stage is Mn2+ precipitation and replacing carbonate ooze.The higher content manganese ore is formed to benefit by recrystallization in the fate diasensis sarge of the sedimentary rock.
  • [1] 1.赵东旭，1992,湖南桃江奥陶系磨刀溪组锰质岩的内碎屑结构和重力流沉积，岩石学报，8(4),386-399,

    2.饶雪峰，范德廉,1990，湘中桃江中奥肉统黑色岩系岩石学地球化学及成因，岩石学报，6(3):78-86,

    3.J.B.梅纳德著，丁禾译,1986，沉积矿床地球化学，北京:地质出版社。

    4.湖南地矿局，1988，湖南省区域地质志，北京:地质出版社。

    5.K.Bastrom,1983,Genesls of Ferromanganese Deposits一Diagnostic Criteria for Recent and Ancient Deposits, (Hydrothermalprocesses at Sea一floor Spreading Center).Ed.P.Rone et al.,Plenum Press, 473-489.
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Publishing history
  • Received:  1993-04-08
  • Published:  1995-03-10

Studies of Ore-Forming Process of "Taojiang-type manganese",Middle Ordivician in Central Hunan Province

  • Yichang Institute of Geology and Mineral Resources, Hubei, 443003
  • Received Date: 1993-04-08
  • Publish Date: 1995-03-10

Abstract: The "Taojiang-type manganese" is situated at the slope-basin margin factes zone of Modaoxi Formation, Middle Odivician in Central Hunan Province.The manganese-bearing series consists of manganese ore,black carbonaceous mudrock and mass clayrock.The manganese ore bed shows a lot of graded bedding, parallel bedding, small scale cross-bedding, horizontal bedding,braccisted structure and scour mark Structure ......etc.,with ABCE or ABE Bouma sequence,which may berecognized as carbonate gravity flow deposits (turbidite).The formation of manganese ore was affected and controlled by tectonics, sedimentary facies and pelaeogeography, sedimentary geological events and physicochemical condition of medium and so on.There are evidences of sedimentology and geochemistry Showing that the manganese originates from hydrothermal exhalation and extrusion at the spreading sea-noor.The mechanism of manganese ore is divided into two Stugds:first stage is Mn2+ migration in anoxic water;second stage is Mn2+ precipitation and replacing carbonate ooze.The higher content manganese ore is formed to benefit by recrystallization in the fate diasensis sarge of the sedimentary rock.

Jiang Dehe, Yang Zhenqiang, Zhao Shijiu. Studies of Ore-Forming Process of "Taojiang-type manganese",Middle Ordivician in Central Hunan Province[J]. Acta Sedimentologica Sinica, 1995, 13(1): 59-68.
Citation: Jiang Dehe, Yang Zhenqiang, Zhao Shijiu. Studies of Ore-Forming Process of "Taojiang-type manganese",Middle Ordivician in Central Hunan Province[J]. Acta Sedimentologica Sinica, 1995, 13(1): 59-68.
shu

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