GEOCHEMISTRY

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Geological studies and thermal treatment of some Paleogene deposits in east Beni Suef region,Egypt
《Acta Geochimica》2025年第2期278-296,共19页Alaa T.A.Amin Ahmed M.El-Mezayen Darweesh M.Elkholy Hossam A.Khamis Hazem K.A.Sarhan 
Geological setting,facies characteristics,and geochemistry,including TGA(thermo-gravimetric analysis)of Paleogene deposits in east Beni Suef region(Egypt),were studied in the present work.Lithostratigraphically,the ar...
关键词：GEOCHEMISTRY Thermal Arhab Sannur Maadi Formation 
Geochemistry and U-Pb geochronology of the granite porphyry in Bainiuchang,Southeastern Yunnan,China
《Acta Geochimica》2025年第2期325-347,共23页Nan Shi Jun Zhu Xuelong Liu Shitao Zhang Guangzhi Meng Hong Zhang Jialong Cheng Jiehu Zhou Bode Lu Junshan Dao Xue Mi Maohuang Fan 
supported by Yunnan Major Scientific and Technological Project(202202AG050006);National Natural Science Foundation of China(42362010);The Open Fund of Key Laboratory of Sanjiang Metallogeny and Resources Exploration and Utilization,Ministry of Nature Resources(ZRZYBSJSYS2022002)。
The Bainiuchang Ag-polymetallic ore deposit,located in southeastern Yunnan,China,is one of the region's largest deposits.However,the hyp abyssal granite porphyry within this mining area has yet to be comprehensively i...
关键词：Zircon U-Pb ages GEOCHEMISTRY Sr-Nd isotopes Granite porphyry Bainiuchang silver polymetallic ore deposit Southeastern Yunnan 
Multi-stage Mineralization in the Giant Erdaokan Ag-Pb-Zn Deposit,Northeastern China:Evidence from Magnetite EPMA and LA-ICPMS Geochemistry
《Acta Geologica Sinica(English Edition)》2025年第2期532-552,共21页FU Anzong LI Chenglu YANG Wenpeng Masroor ALAM DENG Changzhou YANG Yuanjiang ZHENG Bo ZHAO Ruijun YUAN Maowen 
financially supported by the Heilongjiang Provincial Key R&D Program Project(No.GA21A204);Heilongjiang Provincial Natural Science Foundation of China(No.LH2022D031);the Research Project of Heilongjiang Province Bureau of Geology and Mineral Resources(No.HKY202302).
Although previous researchers have attempted to decipher ore genesis and mineralization in the Erdaokan Ag-Pb-Zn deposit,some uncertainties regarding the mineralization process and evolution of both ore-forming fluids...
关键词：multi-stage mineralization magnetite geochemistry in situ Fe isotope Erdaokan Ag-Pb-Zn deposit 
Spatial and Temporal Evolution of Lithospheric Mantle beneath the Eastern North China Craton:Constraints from Mineral Chemistry of Peridotite Xenoliths from the Miocene Qingyuan Basalts and a Regional Synthesis
《Journal of Earth Science》2025年第2期474-484,共11页Jian-Fang Guo Qiang Ma Jian-Ping Zheng Yu-Ping Su 
supported by funds from the Ministry of Science and Technology of the People's Republic of China(No.2019YFA0708603);NSFC(Nos.41973050,42288201,41930215);the Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory(Guangzhou)(No.GML2019ZD0202)。
Mineralogical data are presented for the peridotite xenoliths from Miocene(~19 Ma)Qingyuan basalts in the eastern North China Craton(NCC),with the aim of constraining on property of the sub-continental lithospheric ma...
关键词：lithospheric mantle peridotite xenoliths temporal and spatial variations Tan-Lu fault zone North China craton PETROLOGY GEOCHEMISTRY 
Late Mesozoic Wangxiang Composite Granitic Pluton,South China Block:Implications to Magma Emplacement and Evolution from Geochemical Proxies
《Journal of Earth Science》2025年第2期485-507,共23页Quan Ou Jing-Yi Liu Feng Zi Bruna BCarvalho Xiaoping Long Jian-Qing Lai Kun Wang Zi-Qi Jiang Yi-Zhi Liu Zheng-Lin Li Hong-Yun Wang 
provided by the National Natural Science Foundation of China(No.41002022);the National Key R&D Program of China(No.2017YFC0602402);the Provincial Natural Science Foundation of Hunan(No.2019JJ50831);the Opening Foundation of State Key Laboratory of Continental Dynamics,Northwest University(No.20LCD08);the Funded by Open Research Fund Programme of the Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring(Central South University),Ministry of Education(No.2018YSJS07);Bruna B.Carvalho is thankful to MIUR(Ministero dell’Istruzione,dell’Universitàe della Ricerca)for the award of a grant(No.PNRA18_00103)。
Composite granitic pluton with distinct units is a potential target for identifying its detailed magma evolution.Here,we present zircon U-Pb ages and Hf isotope,whole-rock major and trace element compositions and Nd-P...
关键词：composite granitic pluton Late Jurassic assimilation and fractional crystallization fluid influence discrete emplacement South China GEOCHEMISTRY 
Surveying Organic Matter,Thermal Maturity Level,and Paleo-Environmental Conditions by Considering Biomarker and Stable Carbon Isotopic Analysis
《Journal of Earth Science》2025年第2期428-440,共13页Meysam Hemmati Yaser Ahmadi Behzad Vaferi Ali Hosin Alibak David A.Wood 
Biomarker and stable carbon isotope analyses are presented for the Garau Formation of the Cretaceous Age,an important source rock in western Iran,to reveal its potential as an oilprone source rock.The C_(28)/C_(29)ste...
关键词：source-rock geochemistry biomarkers stable carbon isotopes alteration processes naphthenic crude oil petroleum geology 
Zircon U-Pb geochronology, geochemistry and geological implications of the high-silica rhyolite from Ningyuancun Formation in the Xunke Area, Lesser Hinggan Range
《Global Geology》2025年第1期58-69,共12页YUE Hongju ZHAI Yanchao CAO Yuanxing LI Hongke WU Mingqian YU Haocheng QIU Kunfeng 
Supported by Finance Project of heilongjiang Province(No.HLJKD2015-11);Ministry of Natural Resources Scientific and Technological Achievements(No.20220654);National Natural Science Foundation of China(No.42261134535).
To determine the geological age,petrogenesis,and tectonic setting of Mesozoic volcanic rocks in the Ningyuancun Formation in Xunke area,Lesser Hinggan Range,the zircon U-Pb geochronology,petrographic observations,and ...
关键词：Lesser Hinggan Range volcanic rocks zircon U-Pb geochronology GEOCHEMISTRY 
Guidelines for Authors
《Geoscience Frontiers》2025年第1期I0003-I0006,共4页
1AIM AND SCOPE Geoscience Frontiers(GSF)publishes peer reviewed research articles and reviews in interdisciplinary fields of Earth and Planetary Sciences.GSF bridges innovative,provocative and challenging concepts and...
关键词：GEOLOGY GEOCHEMISTRY MANTLE 
Geochemistry and petrogenesis of magnesian high-K granitoids from Bundelkhand Craton,Central India:New insights into crustal evolution
《Acta Geochimica》2025年第1期36-58,共23页Shailendra K.Prajapati Meraj Alam Parashar Mishra Hemant Kumar 
Geological Survey of India,Northern Region have provided the financial funding for the study.
Background The Bundelkhand Craton is significant for preserving the multiphase granitoids magmatism from Paleoarchean to Neoarchean periods.It consists of a variety of granite rocks,including TTGs,sanukitoids,and high...
关键词：GEOCHEMISTRY PETROGENESIS A-type granites Crustal evolution Bundelkhand craton 
High-resolution Geochemistry in the Lucaogou Formation,Junggar Basin:An Assessment of Heterogeneous Shale Resources
《Acta Geologica Sinica(English Edition)》2025年第1期177-193,共17页SUN Shijie ZHANG Bin WANG Xiaomei TIAN Hua ZHANG Shuichang HOU Guiting 
supported by the National Natural Science Foundation of China(No.U22B6004);the Basic Research and Strategic Reserve Technology Research Project of CNPC(No.2020D-5008-01);the Scientific Research and Technology Development Project of PetroChina Exploration&Development Research Institute(Nos.2021DJ0104 and 2021DJ1808)。
Controlled by fluctuating paleoclimates and sedimentary environments,the organic and inorganic features of the Lucaogou Formation exhibit strong heterogeneity in the vertical profile,challenging conventional geologica...
关键词：unconventional resource HETEROGENEITY Rock-Eval pyrolysis Lucaogou Formation Junggar Basin 
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