柴西北缘花土沟地区新近系油砂山组沉积特征及铀源分析
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P536

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中国地质调查项目( DD20190119)


The characteristics of sedimentary and uranium source analysis of the Neogene Youshashan Formation in Huatugou area , North Qaidam
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    摘要:

    柴北缘花土沟地区新近系油砂山组含铀岩系为绿灰色碎屑岩沉积建造。区域内主要发育扇三角洲、滨浅湖相。含铀岩系受滨浅湖相沉积体系控制。研究区内铀源具有多源性特点,基底和盖层铀丰度较高。油砂山组具有泥-砂-泥结构特征,砂层厚度适宜,倾角较缓,属于宽缓的山前斜坡带,有利于含矿砂体及富氧流体进入层间,形成层间氧化带及铀的富集。

    Abstract:

    Uranium-containing rocks is green gray crastic rock sediment construction of Neogene Youshashan Formation in Huatugou area, North Qaidam. Fan delta and shallow lake phase were developed in the area. Uranium-containing rocks is controlled by shallow lake phase sediment system. The characteristic of uranium source in the research area is multi-source. Uranium abundance in the basement and cover is high. The characteristics of Youshashan Formation is mud-sand-mud structure.The sand thickness is proper. The inclination is gentle, belonging to the gentle mountain slope belt. It’s beneficial to go into the strata for the mineral sand body and oxygen rich fluids. It’s good to form the inter-layer oxidation band and uranium enrichment.

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张&#; 超,王善博,程银行,等. 柴西北缘花土沟地区新近系油砂山组沉积特征及铀源分析[J]. 科学技术与工程, 2020, 20(9): 3427-3434.
ZHANG Chao, Wang Shanbo, Cheng Yinhang, et al. The characteristics of sedimentary and uranium source analysis of the Neogene Youshashan Formation in Huatugou area, North Qaidam[J]. Science Technology and Engineering,2020,20(9):3427-3434.

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  • 收稿日期:2019-06-25
  • 最后修改日期:2019-12-31
  • 录用日期:2019-10-20
  • 在线发布日期: 2020-05-14
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