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中国海域辽阔,分为渤海、黄海、东海和南海4个海区。各海区沿中国大陆均有呈斑块状或条带状的泥质沉积分布。选取各沿岸泥的代表性样品,采用先进的XRF和ICP-MS等方法,测定了K、Li、Rb、Cs、Mg、Ca、Sr、Ba、Al、Fe、Ti、Be、Nb、Ta、W、Sn、Bi、La、Ce、Th。元素的地球化学研究表明:渤海和黄海、东海、南海沿岸泥的地球化学特征分别与黄河、长江、珠江沉积物的地球化学特征一致,显示了元素的物源效应;从渤海到南海,由于气候的变化使沿岸泥中某些元素有所流失或富集,显示了元素的气候效应;中国沿岸泥元素的丰度相对接近中国大陆沉积物的丰度,而异于西太平洋褐色粘土和深海粘土的丰度,显示了元素的亲陆性。
China has a vast sea area and is divided into four sea areas: the Bohai Sea, the Yellow Sea, the East China Sea and the South China Sea. The sea area along the mainland of China showed a patchy or striped muddy sedimentary distribution. Representative samples of each coastal mud were selected and analyzed by advanced methods such as XRF and ICP-MS. The K, Li, Rb, Cs, Mg, Ca, Sr, Ba, Al, Fe, Ti, Be, Nb, Ta, W, Sn, Bi, La, Ce, Th. The geochemical study of the elements shows that the geochemical characteristics of the mud in the Bohai Sea, the Yellow Sea, the East China Sea and the South China Sea Coast are consistent with the geochemical characteristics of the sediments in the Yellow River, the Yangtze River and the Pearl River respectively, indicating the source effect of the elements. From the Bohai Sea to the South China Sea, The variation of some elements in the coastal mud caused by the loss or enrichment of some elements shows the climatic effects of the elements. The abundance of mud elements in the coastal areas of China is relatively close to the abundance of sediments in the Chinese mainland, but different from the browning of the western Pacific brown and the deep- Abundance, showing the element’s translucent.