Clay Mineralogy of Bottom Sediment in the Jinhae Bay, Korea

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  • PARK Byong-Kwon
    Department of Earth Sciences, Korea Military Academy
  • HAN Sang-Joon
    Department of Marine Sciences, Korea Research Institute of Ship and Ocean
  • LEE Jong-Wha
    Department of Marine Sciences, Korea Research Institute of Ship and Ocean

Bibliographic Information

Other Title
  • 韓国鎮海湾海底堆積物の粘土鉱物
  • 韓国鎮海湾海底堆積物の粘土鉱物〔英文〕
  • カンコク チンカイワン カイテイ タイセキブツ ノ ネンド コウブツ エイブン

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Description

The bottom sediments of Jinhae Bay area contain, on average, 45% illite, 23%kaolinite, 17% intergrade clay, 10 % chlorite, and 5% smectite. The geographicaldistributionof the clay minerals shows, in general, an ir crease in illite, a decreasein kaolinite, and a slight decrease in chlorite seawards. The distributional trends of smectite and intergradeclay are irregular. The clay fractions of the sediments of Jinhae Bay are suppliedfromstream-borne sediments and are mixed with sediments transported landwards from the East China Sea. Local erosion and redeposition of the clay fractions of the bottom sediments iscaused by rapid tidal currents.

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