论文部分内容阅读
埃及的铀矿勘探是近30a开始的,其手段是运用综合航空测量和地面放射性勘探,后者是在具有相当合适的地质判据的选区内进行的。在花岗岩和沉积岩多种地质环境中,放射性勘探发现了大量放射性异常和几个铀矿点。在这些铀矿点中,有些矿点显示出有望成为可开采铀矿床的潜力。对一些岩石样品进行了淋滤和初步实验,以对这些矿点能否成为可采矿床的可能性进行评价,但至今还未判明这些矿床的确切储量。 在铀矿勘探国际战略中,为满足埃及核能发电的要求,对铀的需求必然会增加,这就需要进行深入的地面地球物理、地面钻探和地下采矿以及氡射气测量、油气测井工作。此外,像堆浸这样非常规浸取方法也可用于小规模铀矿床的开采。 在这个发展战略中,现在的铀矿点是按照原子能机构分类模式划分的。现在的铀矿点特征将运用到新区的勘探中。另外,其他磷块岩、黑色砂岩和稀有金属矿床资源开发也可提供一定量的铀、钍以及稀土元素。
Egypt’s uranium exploration began almost 30 years by using integrated aerial surveys and ground-based radioactive prospecting, the latter being conducted within a constituency with reasonably suitable geological criteria. In various geological environments of granites and sedimentary rocks, a large number of radioactive anomalies and several uranium deposits were discovered by radioactive prospecting. Among these uranium deposits, some of the ore points show the potential of becoming uranium mineable. Some of the rock samples were leached and piloted to assess the likelihood of these deposits becoming recoverable, but so far the exact reserves of these deposits have not been identified. In the international uranium exploration strategy, the demand for uranium will surely increase to meet the demand of Egypt’s nuclear power generation, which requires in-depth ground geophysics, surface drilling and underground mining, radon gas measurement and hydrocarbon logging. In addition, unconventional leaching methods such as heap leaching can also be used for the extraction of small-scale uranium deposits. In this development strategy, the current uranium point is classified according to the Agency’s classification scheme. The current uranium point features will be applied to the exploration of the new area. In addition, the development of other phosphorite, black sandstone and rare metal deposits can also provide a certain amount of uranium, thorium and rare earth elements.