Uranium is a typical lithophile element, having outstanding geo-chemical characteristics of association whith high SiO<sub>2</sub>, peraluminousand marginally peralkalic rocks. In evolution process of all ...Uranium is a typical lithophile element, having outstanding geo-chemical characteristics of association whith high SiO<sub>2</sub>, peraluminousand marginally peralkalic rocks. In evolution process of all geologicalhistory, uranium gathers without interruption in upper crust. Urani-um mineralization is closely realted with evolution characteristics of thecontinent crust.1. It was not until the continent crust evolved to certain maturedegree that uranium began metallization. The oldest uranium depositon the earth occurred in the Delanshiwa （Kapuwaer） district,展开更多
文摘Uranium is a typical lithophile element, having outstanding geo-chemical characteristics of association whith high SiO<sub>2</sub>, peraluminousand marginally peralkalic rocks. In evolution process of all geologicalhistory, uranium gathers without interruption in upper crust. Urani-um mineralization is closely realted with evolution characteristics of thecontinent crust.1. It was not until the continent crust evolved to certain maturedegree that uranium began metallization. The oldest uranium depositon the earth occurred in the Delanshiwa （Kapuwaer） district,
