YAN Quan-shu, WANG Kun-shan, SHI Xue-fa. PROVINCES AND PROVENANCE OF HEAVY M INERALS IN SURFACE SEDIMENTS OF THE SEA AREA NEAR ZHONGSHA ISLANDS IN SOUTH CHINA SEA[J]. Marine Geology & Quaternary Geology, 2008, 28(1): 17-24.
Citation: YAN Quan-shu, WANG Kun-shan, SHI Xue-fa. PROVINCES AND PROVENANCE OF HEAVY M INERALS IN SURFACE SEDIMENTS OF THE SEA AREA NEAR ZHONGSHA ISLANDS IN SOUTH CHINA SEA[J]. Marine Geology & Quaternary Geology, 2008, 28(1): 17-24.
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PROVINCES AND PROVENANCE OF HEAVY M INERALS IN SURFACE SEDIMENTS OF THE SEA AREA NEAR ZHONGSHA ISLANDS IN SOUTH CHINA SEA

  • 1 Key laboratory of Marine Sedimemology and Environment Geology, State Oceanic Administration, Qingdao 266061, China;

  • 2 Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China

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  • Received Date: April 23, 2006
  • Revised Date: August 12, 2007
    Graphical Abstract
    • Abstract
  • We identified 114 surface sediment samp es which were collected from the sea area near Zhongsha Islands in South China Sea. Heavy minerals in this study area have been divided into 3 mineral provinces. Mixed mineral province(Ⅰ), mineral assemblages mainly include metal minerals, micas, hornblendes, pyroxene and Fe-Mn micro-nodules. Terrigenous minerals are mainly derived from China's mainland and do not exceed 17°N; and autogenetic minerals and volcanogenic minerals have a great influence on the sedimentation of this sub-zone; autogenetic mineral province(Ⅱ), mineral assemblages are mainly is Fe-Mn micro-nodules, whose material provenances are weathering product of in situ seamount and erupting materials of in-situ ongoing small-scale volcanoes; volcanogenic mineral province (Ⅲ), mineral assemblage mainly include hornblendes, pyroxenes and micas subordinately.
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