| 1. | The arsenate is usually formed in oxidation zones in contact with the atmosphere and free oxygen, and arsenic will precipitate with ferric hydroxide .
在与大气和游离氧接触的氧化带中，常形成砷酸盐，而且砷与氢氧化铁一起沉淀。 |
| 2. | The application of the natural electric field method to the prospecting for interlayer oxidation zone sandstone - type uranium deposits
自然电场法在寻找层间氧化带型砂岩铀矿中的应用 |
| 3. | This paper deals with the basic theory of the natural electric field method and its application to the prospecting for interlayer oxidation zone sandstone - type uranium deposits
摘要介绍了自然电场形成的原理及在寻找层间氧化带砂岩型铀矿中的应用。 |
| 4. | On such a basis , the author has established the model for applying geophysical and geochemical techniques to different stages of prospecting for interstratified oxidation zone sandstone type uranium deposits
在此基础上，建立了不同阶段物化探方法寻找层间氧化带砂岩型铀矿的找矿模式。 |
| 5. | It is considered that the uranium mineralization types related with ground water interlayer oxidation zones , ground water interlayer paleo - oxidation zones located above the water - blocking faults are the main types of sandstone uranium deposits
认为阻水断裂上方的潜水顺层氧化带及遭受后期潜水顺层氧化的古潜水氧化带铀矿化是区内砂岩型铀矿的主要类型。 |
| 6. | Based on features of natural electric potential in oxidation and reduction zones , it is held that the natural electric field method may determine the front line of the interlayer oxidation zone , and can hence infer the general position of the interlayer oxidation zone sandstone - type uranium deposit
根据氧化带与还原带的自然电位变化特徵，利用自然电场法可以确定盆地层间氧化带前锋线，由此推测层间氧化带砂岩型铀矿大体空间位置。 |
| 7. | Abstract : this paper introduces the tectonic pattern and tectonic division , sedimentary features of late tertiary , and the classification of the oxidation zone in sedimentary cover , and discusses development features of the oxidation zone and its relationship with uranium mineralization in yingjiang basin
文摘:本文介绍了盈江盆地的构造格架及构造分区、晚第三纪盆地沉积特征，对盆地盖层发育的氧化带进行分类，论述了氧化带的发育特征及其与铀矿化的关系。 |
| 8. | Moreover , by dividing the hydrogeological stractural layer , and infiltration and seepage systems , distinguishing hydrochemical anomalies of shallow groundwater and deep groundwater this paper expounds hydrogeological conditions and hydrogeochemical features of the kailu basin and their effect to the development of the interlayer oxidation zone , predicts two prospective areas for in - situ leachable sandstone - type uranium deposits , and finally proposes the daodemiao area as the most favourable metallogenic target for uranium ore - formation
同时，从水文地质构造层、渗入渗出体系的划分及浅层地下水和深部地下水化学异常显示等方面入手，较详细地阐述了开鲁盆地水文地质条件和水文地球化学特征及其对层间氧化带发育条件的影响，预测了两处可地浸砂岩型铀矿的成矿远景地段，并指出道德庙是本区最具找矿前景的地区。 |
| 9. | By summarizing and analyzing the geological setting , uranium source , paleoclimate , hydrology , lithologic - lithofacies conditions in the region , it is indicated that the quantou formation in fanjiatun - jiutai area and the qingshankou formation in yangdachenzi area are potential metallogenic prospective areas for in - situ leachable sandstone type uranium deposit in the region , which develop braided channel or delta marginal sandstones , and possess favorable forming conditions of interlayer oxidation zone , and constituting supply - passage - discharge system of abundant uranium source
综合研究区域成矿地质背景、铀源、古气候、水文地质、岩性岩相条件，认为范家屯九台一带的泉头组及杨大城子一带的青山口组发育辫状河或三角洲前缘砂体，构成了铀源供应充足的补径排系统，具有有利的层间氧化带形成条件，是本区地浸砂岩型铀矿的有利成矿远景区带。 |
