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Article 2020-06-01
Allanite-britholite bearing migmatite gneiss-Amet Granite and intrusive syenite-monzonite rocks of SW Rajasthan, India, and their REE potential
Dipendu Bhushan Guha1*, Ausaf Raza2, Sandip Neogi3, Madiwalappa Korakoppa4
1 Dy. Director General (Retd.), Geological Survey of India; Residence: B-230, 10B Scheme, Gopalpura Bypass Road, Jaipur, India, PIN Code-302018
2 Senior Geologist, Geological Survey of India, 15-16, Jhalana Dungri, Jaipur, India, PIN Code-302004
3 Senior Geologist, Geological Survey of India, SU-WB&AN, Salt Lake, Kolkata, India, PIN Code-700091
4 Senior Geologist, NCEGR, Geological Survey of India, Bengaluru, India, PIN Code-560070Episodes 2020; 43(2): 665-687
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Article 2020-06-01
Petrochemistry of High-Cr and High-Al chromitites occurrences of Dargai Complex along Indus Suture Zone, Northern Pakistan
Zaheen Ullah1*, Muhammad Tahir Shah2, Rehanul Haq Siddiqui3, Dong-Yang Lian4, Asad Khan5
1 Faculty of Earth Resources, China University of Geosciences, Wuhan 4330074, China
2 FATA University, Tribal Subdivision Darra, Kohat 26100, Pakistan
3 Department of Geological Engineering, BUITEMS, Quetta 87300, Pakistan
4 School of Earth Sciences and Engineering, Nanjing University, Nanjing 210023, China
5 Department of Geology, FATA University, Tribal Subdivision Darra, Kohat 26100, PakistanEpisodes 2020; 43(2): 689-709
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Article 2020-06-01
Detrital zircon geochronology of the Cretaceous Sindong Group, Gyeongsang Basin, Korea and its implications for paleodrainage systems
Taejin Choi1, Yong Il Lee2, Hyoun Soo Lim3*, Yuji Orihashi4
1 Department of Energy Resources Engineering, Chosun University, Gwangju 61452, Korea
2 School of Earth and Environmental Sciences, Seoul National University, Seoul 08826, Korea
3 Department of Geological Sciences, Pusan National University, Busan 46241, Korea
4 Department of Earth and Environmental Sciences, Hirosaki University, Aomori 036-8561, JapanEpisodes 2020; 43(2): 711-738
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Article 2020-06-01
Identification of groundwater nitrate pollution sources in agricultural area using PCA and SIAR methods
Ruyu Yuan1,2, Tianyuan Zheng3*, Xilai Zheng1,2, Dongsheng Liu4, Jia Xin1,2, Lu Yu1,2, Guanqun Liu1,2
1 College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China
2 Key Laboratory of Marine Environment and Ecological Education, Ocean University of China, Qingdao 266100, China
3 College of Engineering, Ocean University of China, Qingdao 266100, China
4 Center for Eco-Environmental Research, Nanjing Hydraulic Research Institute, Nanjing 210098, ChinaEpisodes 2020; 43(2): 739-749
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Article 2020-06-01
Sources and health risk assessments of nitrate in groundwater, West of Tahta area, Sohag, Egypt
Mostafa Redwan*, Ahmed A. Abdel Moneim, Nagat E. Mohammed, Ahmed M. Masoud
Geology Dept. Faculty of Science, Sohag University, 82524 Sohag, Egypt
Episodes 2020; 43(2): 751-760
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Article 2020-06-01
Ore genesis of the Qilinchang Carboniferous carbonate Pb-Zn Mississippi Valley-type deposit, Western Yangtze Platform, Southwest China: Constraints from mineralogy, C-O-S-Pb isotope systematics, and REE studies
Abiola Oyebamiji1,2,3, Ruizhong Hu1,2*, Chenghai Zhao1, Aizat Zhaanbaeva1, Tehseen Zafar1
1 State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China
2 College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
3 Department of Science Laboratory Technology, (Geology unit) Ekiti State University, Ado-Ekiti, NigeriaEpisodes 2020; 43(2): 761-784
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Article 2020-06-01
Mafic-felsic magma interactions in the Bathani volcanic-plutonic complex of Chotanagpur Granite Gneiss Complex, eastern India: implications for assembly of the Greater Indian Landmass during the Proterozoic
Bibhuti Gogoi1, Ashima Saikia2*, Mansoor Ahmad3
1 Department of Geology, Cotton University, Guwahati, Assam-781001 (India)
2 Department of Geology, University of Delhi, Delhi-110007 (India)
3 Rajabazar, Patna - 800020, (India)Episodes 2020; 43(2): 785-810
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Article 2020-06-01
Occurrence of active gas hydrate mounds in the southwestern slope of the Chukchi Plateau, Arctic Ocean
Young-Gyun Kim1, Sookwan Kim2, Dong-Hun Lee3, Yung Mi Lee4, Hyoung Jun Kim2, Seung-Goo Kang2, Young Keun Jin2*
1 Research Institute of Earth Resources, Kangwon National University, Chuncheon 24341, Republic of Korea
2 Division of Polar Earth-system Sciences, Korea Polar Research Institute, Incheon 21990, Republic of Korea
3 Department of Marine Sciences and Convergent Technology, Hanyang University, Ansan 15588, Republic of Korea
4 Division of Polar Life Sciences, Korea Polar Research Institute, Incheon 21990, Republic of KoreaEpisodes 2020; 43(2): 811-823
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Report 2020-06-01
Dynamic interaction in tropical Africa: IGCP-616Y and IGCP 646 projects and events
Boniface Kankeu1*, Izuchukwu Mike Akaegbobi2, Asiedu Daniel K3, Reinhard O. Greiling4, Jürgen Runge5, Christopher Fuanya6, Sylvestre Ganno7, Jean Paul Nzenti7, Jean Bassahak1, Joseph Victor Hell1
1Institute for Geological and Mining Research (IRGM), BP 4110, Yaounde, Cameroon
2Departmentof Geology, University of Ibadan, Ibadan-Nigeria
3Department of Earth Science, University of Ghana, Legon
4InstitutfürAngewandteGeowissenschaften, Strukturgeologic&Tectonophysick, Karlsruhe Institute of Technology, Hetzstrasse 16, 76187 Karlsruhe, Germany
5Zentrumf?rinterdisziplinare Afrikaforschung(ZIAF), Instituef?rphysischeGeographie, Goethe Universitat, Frankfurt am Main, Germany
6Department of Geology,Pan African University Life and Earth Science Institute, University of Ibadan, Ibadan, Nigeria
7Department of Earth Sciences, Faculty of Science, University of Yaounde I, BP 3412, Messa-Yaounde, CameroonEpisodes 2020; 43(2): 825-831
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Report 2020-06-01
The Toarcian Oceanic Anoxic Event and the Jenkyns Event (IGCP-655 final report)
Matías Reolid1*, Emanuela Mattioli2,3, Luís V. Duarte4, Abbas Marok5
1Departamento de Geología, Universidad Jaén, Campus Las Lagunillas sn, 23071 Jaén, Spain
2Université de Lyon, UCBL, ENSL, CNRS, LGL-TPE, Villeurbanne 69622, France
3Institut Universitaire de France, Paris, France
4MARE and Departamento de Ciências da Terra, Polo II Edif Central, Universidade Coimbra 3000-272 Coimbra, Portugal
5Department of Earth and Universe Sciences, University of Tlemcen, P.O. Box 119, Tlemcen, AlgeriaEpisodes 2020; 43(2): 833-844
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