铀石
- coffinite
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主要矿石矿物为晶质铀矿、铀石,铀矿化主要富集在伟晶状花岗岩内黑云母集中区、伟晶状花岗岩脉与黑云母斜长片麻岩接触带处。
Main ore minerals are uraninite and coffinite . Uranium mineralization is mainly present in the biotite-concentrated site within pegmatoid granite and at the contact between pegmatoid granite dykes and biotite plagiogneiss .
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铀矿物为铀石。煤矸石的氯化焙烧
Coffinite is the uranium mineral . THE CHLORIDIZING ROASTING OF COAL STONE
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富矿石样品中铀石单矿物的铀铅同位素年龄集中分布于20~10Ma之间。
Uranium-lead isotopic ages of the uranium mineral & coffinite in high-grade ores of the uranium deposit are centered at Miocene time between 20 Ma and 10 Ma .
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铀、金矿石的堆浸技术进展
Developments of uranium and gold ores heap leaching technologies
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国内外铀、金矿石微生物浸出的技术进展
Developments of bacteria leaching technologies in uranium and gold ores at home and abroad
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铀是亲石元素。
Uranium is a lithophile element .
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与铀有关的埃洛石的研究
A preliminary study of halloysite related to uranium
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鄂尔多斯砂岩型铀矿床古层间氧化带中铀石的产状和形成
Occurrence and Formation of Coffinite in Ancient Interlayer Oxidizing Zone of Sandstone Type U-deposit in Ordos Basin
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硼矿床中的原生铀矿物&晶质铀矿和铅铀方钍石
Primary uranium minerals in boron deposits & uraninite and ALDANITE
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铀主要以显微浸染状铀矿物(沥青铀矿+铀石)形式散布于炭屑木质细胞腔内壁和砂岩碎屑颗粒的填隙物中,部分以吸附形式赋存于粘土矿物和炭屑;
Uranium mainly occurs in pitchblende and coffinite which are mainly dispersed in the fossil wood cells and pelitic cement of sandstone detrital grains , and partly adsorbed by clay minerals or carbonaceous debris .
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本文介绍了日本东浓地区的铀矿物和铀矿床,发现在这个地区的主要铀矿物有:(1)四价铀矿物:晶质铀矿、铀石;
Presented in this paper are uranium minerals and uranium deposits in the Tono area of Japan . The principal uranium minerals found in the Tono area are as follows : ( 1 ) Tetravalent uranium minerals : uraninite , coffinite .