杭州湾附近海底柱状岩心重矿物分布研究
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Distribution Research of the Three cylindrical core of Heavy minerals in the Hangzhou Bay
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    摘要:

    摘 要: 对东海沿岸陆架CJ08-630、CJ08-923、CJ08-1185三个柱状岩心56个重矿物样品63-125μm粒级重矿物的研究表明,重矿物种类有56种,最高含量可达53.1%;平均含量较低,为8.5%,;矿物组成以闪石类、帘石类、辉石类、片状矿物、自生黄铁矿及金属矿物磁铁矿、褐铁矿等等为主。重矿物来源复杂多样,包括陆源、火山、自生等各种来源的矿物。其中沿岸河流输入物是主要陆源矿物来源;此外还有沿岸和岛屿等的剥蚀物、冲刷物。沉积环境是影响重矿物分布的主要因素。

    Abstract:

    Abstract: On the coast of the East China Sea continental shelf CJ08-630, CJ08-923, CJ08-1185 three cylindrical core 56 heavy mineral samples 63 ~ 125 μ m particle heavy mineral studies show: Heavy minerals, 56 types of species, the highest content of up to 53.1 percent; average levels of low, at 8.5%. To amphibole mineral composition category, curtain-type, stone-like, flaky mineral, pyrite and self-metallic mineral magnetite, limonite, and so on the main. Heavy mineral sources of complex and varied, including land-based sources, volcanoes, since a variety of sources, such as the Health and minerals. Which enter rivers along the coast of the main sources of land-based sources of minerals; There is also the coast and islands of the erosion, erosion of. Sedimentary environment is the impact of heavy mineral distribution of the main factors.

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孟建国.2009.杭州湾附近海底柱状岩心重矿物分布研究[J].地质学报,83(8):812-819.
mengjianguo.2009. Distribution Research of the Three cylindrical core of Heavy minerals in the Hangzhou Bay[J]. Acta Geologica Sinica,83(8):812-819.

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  • 收稿日期:2008-09-26
  • 最后修改日期:2008-11-06
  • 录用日期:2009-04-16
  • 在线发布日期: 2010-07-28
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