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Vol. 44, No.2 April 2025 TEXT SIZE: A A A

ORIGINAL ARTICLES

231

Geochemical characteristics and source analysis of rare earth elements in Qinghai Lake sediments

Guangying Li · Yingyi Meng · Jinhan Zhou · Di Ming · Lijun Dai · Lingqing Wang

247

Features of the spatial and seasonal distribution of hydrocarbons in water of the North Crimean Canal, Crimea

O.V. Soloveva · E.A. Tikhonova · N.Yu. Mirzoeva

260

Late-Silurian intraplate basalts from the southwestern margin of the Ordos Basin: Implication for decompression melting of metasomatized evolved mantle in extension setting

Dongxu Wang, Hujun Gong, Jiangfeng Qin · Fenhong Luo

278

Geological studies and thermal treatment of some Paleogene deposits in east Beni Suef region, Egypt

Alaa T.A. Amin · Ahmed M. El-Mezayen · Darweesh M. Elkholy · Hossam A. Khamis · Hazem K.A. Sarhan

297

Lithium-rich tourmaline in Himalayan leucogranite: An example from the Gabo Li-rich granite-pegmatite system, Xizang, China

Hongzhao Shi · Yiyun Wang · Linkui Zhang · Hong Liu · Weikang Guo · Jiangang Fu

314

Biogeochemical behavior of210Po in the aquatic ecosystem of the North Crimean Canal and adjacent irrigated soils

A.A. Korotkov · N.Yu. Mirzoeva · O.N. Miroshnichenko · I.N. Moseichenko

325

Geochemistry and U–Pb geochronology of the granite porphyry in Bainiuchang, Southeastern Yunnan, China

Nan Shi · Jun Zhu · Xuelong Liu · Shitao Zhang · Guangzhi Meng · Hong Zhang · Jialong Cheng · Jiehu Zhou · Bode Lu · Junshan Dao · Xue Mi · Maohuang Fan

348

Groundwater geochemical evolution, origin and quality in the Lower Pra Basin, Ghana: Insights from hydrogeochemistry, multivariate statistical analysis, mineral saturation indices, stable isotopes (δ2H and δ18O) and geostatistical analysis

Samuel Y. Ganyaglo · Joel Y. Binyiako · Emmanuel M. Teye · Abass Gibrilla · Dickson Abdul-Wahab · Samuel Edusei · Paulina Amponsah · Courage D. Egbi · Samuel B. Dampare · Ebenezer Aquisman Asare

373

Geochemical behaviors of metal elements during a single flood event in the natural Chishui River, Southwest China

Zhongxuan Liang · Keyi Wang · Hongming Cai · Zhongwei Wang · Wei Yuan · Jiubin Chen

387

Influence of igneous intrusions on maturation of the Cretaceous-Eocene source rocks of the offshore Tanzanian Basin

John William Gama · Emily Barnabas Kiswaka · Elisante Elisaimon Mshiu

404

Neoproterozoic tectonic evolution of the northwestern Yangtze Block: Constraints from the Bijigou intermediate-acid magmatism in the Hannan massif

Yan Luan · Yunxiu Ren · Ruiting Wang · Xiaohui Sun

420

Petrography and geochemical characterization of the Baïbokoum syenitic pluton (Southern Chad): Implication for the magma genesis

Gustave Baïssemia Ronang · Merlin Gountié Dedzo · Jules Tcheumenak Kouémo · Moussa Ngarena Klamadji · Diondoh Mbaguedjé · Maurice Kwékam



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