 | Ozha, Manoj Kumar, Pal, Dipak Chandra, Mishra, Biswajit, Desapati, T., Shaji, T.S. (2017) Geochemistry and chemical dating of uraninite in the Samarkiya area, central Rajasthan, northwestern India – Implication for geochemical and temporal evolution of uranium mineralization. Ore Geology Reviews, 88. 23-42 doi:10.1016/j.oregeorev.2017.04.010 | Journal (article/letter/editorial) | | dating of uraninite in the Samarkiya area, central Rajasthan, northwestern India−implication for geochemical...dating of uraninite in the Samarkiya area, central Rajasthan, northwestern India−implication for geochemical...dating of uraninite in the Samarkiya area, central Rajasthan, northwestern India− −implication for geochemical...721302, India 2 Department of Geological Sciences, Jadavpur University, Kolkata 793019, India 3 Atomic...Exploration and Research, Visakhapatnam 530007, India 4 Atomic Minerals Directorate for Exploration |  | | Journal (article/letter/editorial) | | from polygenetic Mangalwar Complex, Northwestern India Pranjit Hazarika a,b , Biswajit Mishra a,∗ , Manoj...Kharagpur, 721302, India Department of Geological Sciences, Gauhati University, Assam-781014, India a r t i c...samples from the Mangalwar Complex, Northwestern India. Monazites in the same samples were also analyzed...corroborate with the earlier published ages from the area validating the proposed analytical protocol. © 2017...from polygenetic Mangalwar Complex, Northwestern India. Chemie Erde - Geochemistry (2017), http://dx.doi |  | | Journal (article/letter/editorial) | | 721302, India Atomic Minerals Directorate for Exploration and Research, Shillong 793019, India [Received...calcite (Seydoux-Guillaume et al., 2009), and in quartz, albite, K-feldspar, and cordierite (Prochazka...74°27′16.8″E) located on the eastern limb of the Samarkiya antiform (Fig. 1b). Based on EPMA radiometric...98 Ga for the metapelites in and around the Samarkiya area (Ozha et al., 2016). In addition, the oldest...Bhinai (∼120 km north-west of the present study area, Fig. 1a) (Buick et al., 2006, 2010; Bhowmik et |  | Tu, Jia-Run, Xiao, Zhi-Bin, Zhou, Hong-Ying, An, Shu-Qing, Li, Guo-Zhan, Cui, Yu-Rong, Liu, Wen-Gang, Li, Hui-Min (2019) U–Pb dating of single-grain uraninite by isotope dilution thermal ionization mass spectrometry. Ore Geology Reviews, 109. 407-412 doi:10.1016/j.oregeorev.2019.05.001 | Journal (article/letter/editorial) | | *Corresponding author at: No. 4, 8th Road, Dazhigu, Hedong District, Tianjin, 300170, China. E-mail address: jrtu@mail...whereas isotopic compositions of Pb in the same area are measured by the high–resolution ion microprobe...GBW04420, produced from the 201 deposit in Lanhe area in the northern of Guangdong province, was suggested...20 mg of the sample (Cui et al, 2005). 4.2 Micro–area homogeneity of uraninite GBW04420 Although Zong...(Fig. 2 and Fig. 3). And homogeneity age in micro area is a prerequisite for a suitable standard in insitu |  | López-Moro, F. J., Romer, R. L., Rhede, D., Fernández, A., Timón-Sánchez, S. M., Moro, M. C. (2019) Early uranium mobilization in late Variscan strike-slip shear zones affecting leucogranites of central western Spain. Journal of Iberian Geology, 45 (1). 223-243 doi:10.1007/s41513-018-0091-1 | Journal (article/letter/editorial) | | Ta, Be, Li), in skarns (W, ± Au, ± U), and in quartz-veins with greisen (W, Sn, ± Au, ± U). Episyenites/albitites...uraninite from retrograde scheelite skarn and W ± Au quartz veins in the Iberian Massif. Chemical ages of uraninite...compositional changes due to preferential dissolution of quartz, which creates abundant voids (e.g., Leroy 1978;...of Western Europe (Fig. 1a), represents a large area of late Journal of Iberian Geology Fig. 1 a...granites that develop intra- to perigranitic W–(Sn)–quartz veins and greisen (e.g., Arribas 1979; Mangas and |  | | Journal (article/letter/editorial) | | lower and theand upper Formation in the Datian tian area (Figure 2). The Lengzhuguan Formation consists of...member of the Zanli Formation is composed of biotite quartz schist, graphite-bearing biotite plagioclase gneiss...gneiss, and biotite plagioclase biotite quartz schist, graphite-bearing biotite plagioclase gneiss, and...widely present in the tian area (Datian quartz diorite and Datian area (Datian quartz diorite andHeime Heimegranite;...granite;Figure Figure2). 2).The The Datian Datian quartz quartz diorite diorite formed at 748–770 Ma [19], and |  | Yu, Chi-Da, Wang, Kai-Xing, Liu, Xiao-Dong, Cuney, Michel, Pan, Jia-Yong, Wang, Gang, Zhang, Lin, Zhang, Jian (2020) Uranium Mineralogical and Chemical Features of the Na-Metasomatic Type Uranium Deposit in the Longshoushan Metallogenic Belt, Northwestern China. Minerals, 10 (4) 335 doi:10.3390/min10040335 | Journal (article/letter/editorial) | | The Paleoproterozoic Longshoushan Group in this area represents the oldest strata, a highly deformed...Mesozoic and Cenozoic strata are rarely present in this area. The magmatic activity was intense in this metallogenetic...two to three kilometers, representing an exposed area of 160 km2 . The Jiling complex is composed of diorite...mainly composed of medium to coarse-grained gray quartz monzonite and granodiorite (441 ± 14 Ma) [30],...2B) [14]. Figure 2. (A) A geological map of the area around the Jiling uranium deposit (modified after |  | Wu, Bin, Bonnetti, Christophe, Liu, Yue, Zhang, Zhan-Shi, Guo, Guo-Lin, Li, Guang-Lai, Hu, Yin-Qiu, Yan, Zhao-Yan (2021) Uraninite from the Guangshigou Pegmatite-Type Uranium Deposit in the North Qinling Orogen, Central China: Its Occurrence, Alteration and Implications for Post-Caledonian Uranium Circulation. Minerals, 11 (7) 729 doi:10.3390/min11070729 | Journal (article/letter/editorial) | | uraninite commonly occurs as mineral inclusions in quartz, K-feldspar and biotite or in interstices of these...neighboring minerals, which mainly include biotite, quartz, chlorite and feldspar in which they are embedded...K-feldspar around uraninite from the Mangalwar complex, India, were interpreted to form under low-temperature...biotite–plagioclase and garnet–sillimanite gneisses, mica–quartz schists, graphite-bearing marbles and amphibolites...X-ray analyses, X-ray elemental mapping, selected area electron diffraction (SEAD), fast Fourier transform |  | Yuan, Feng, Jiang, Shao-Yong, Liu, Jiajun, Zhang, Shuai, Xiao, Zhibin, Liu, Gang, Hu, Xiaojia (2019) Geochronology and Geochemistry of Uraninite and Coffinite: Insights into Ore-Forming Process in the Pegmatite-Hosted Uraniferous Province, North Qinling, Central China. Minerals, 9 (9) 552 doi:10.3390/min9090552 | Journal (article/letter/editorial) | | present as inclusions in a matrix of intimately mixed quartz and (perthitic) microcline in close association...its vicinity (Figure 2g). In addition, anhedral quartz (Figure 2d,h), biotite, calcite (Figure 2d), and...which can be subdivided into rim, internal, and quartz core zones (see the details in [5]). Based on field...internal zone), and the stage III (represented by the quartz core zone). The stage I is characterized by the...abundant biotite, microcline, perthite, oligoclase, quartz, and subordinate amounts of uraninite, coffinite |  | Zhang, Long, Chen, Zhenyu, Li, Shengrong, Santosh, M., Huang, Guolong, Tian, Zejin (2017) Isotope geochronology, geochemistry, and mineral chemistry of the U-bearing and barren granites from the Zhuguangshan complex, South China: Implications for petrogenesis and uranium mineralization. Ore Geology Reviews, 91. 1040-1065 doi:10.1016/j.oregeorev.2017.07.017 | Journal (article/letter/editorial) | | Geological Sciences, No. 26 Baiwanzhuang Road, Xicheng District, Beijing 100037, China. E-mail address: czy7803@126...lithology of host rocks, the uranium deposits in this area can be classified as granitic type, volcanic type...geology and genesis of the uranium deposits in this area (e.g., Zhang et al., 2007, 2008, 2010; Huang et...2012). Stratigraphic sequences in the Zhuguangshan area mainly include the sedimentary rocks of Sinian...is more than 20,500 m thick (Zhu, 2010). In this area, the structures are mainly composed of the N-S, |
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