National Administration of Coal Geology China Coal Geology Engineer Corporation

Beijing, China

National Administration of Coal Geology China Coal Geology Engineer Corporation

Beijing, China

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Han X.-Z.,National Administration of Coal Geology China Coal Geology Engineer Corporation | Liu Q.,Beijing Research Institute of Uranium Geology | Hui X.-C.,Beijing Research Institute of Uranium Geology | Sun Z.-F.,Beijing Research Institute of Uranium Geology | And 3 more authors.
Kuangwu Yanshi/ Journal of Mineralogy and Petrology | Year: 2014

Study on the macro-and micro-observation of the geological phenomena in the Xinlu area shows that the main types uranium minerals are pitchblende and brannerite in this area, pitchblende at temperature ranging from 140°C∼180°C, is earlier, while the late brannerite combined with pitchblende as vein interspersed or mutual embedding at temperature ranging from 290°C∼420°C. It is indicated that uranium mineralization in this area has undergone reformation by high temperature heat flow activity, rather than the meso-epithermal uranium mineralization. In this area, the uranium mineralization in the volcanic breccias before volcanic eruption were recovered, which means that the other uranium mineralization before volcanic eruption exist in the most prospective area, where is the contact interface between the volcanic basin and the basement, besides two uranium mineralization after volcanic eruption period. In the other words, while two uranium mineralization stages after volcanic eruption period are explored, the uranium mineralization before volcanic eruption is not ignored. It is helpful to deepen the understandings of genesis of u-ranium deposit types and prospect the deep and blind ore bodies.

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