云南高校图书馆联盟文献共享服务平台- LAVAS

LAVAS: 作品数：24被引量：54H指数：4; 导出分析报告; 相关领域：天文地球更多>>; 相关作者：秦江锋赖绍聪更多>>; 相关机构：西北大学更多>>; 相关期刊：《Acta Oceanologica Sinica》《Science China Earth Sciences》《Geoscience Frontiers》《Journal of Ocean University of China》更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金更多>>

Geochronological and geochemical constraints on the petrogenesis and geodynamic process of Hemler,Vlinder,and Il'ichev seamount lavas in NW Pacific: 《Science China Earth Sciences》2024年第6期1856-1871,共16页Xun WEI Yan ZHANG Xuefa SHI Hui ZHANG; supported by the Basic Scientific Fund for National Public Research Institutes of China(Grant No.2023S02);the National Natural Science Foundation of China(Grant Nos.42076076&42376075);the Taishan Scholar Program of Shandong Province。; Oceanic intraplate volcanoes with linear age progressions are usually accepted to be derived from melting of an upwelling mantle plume.Several seamount groups in NW Pacific,however,show complex age-distance relationsh...; 关键词：Mantle plume Magellan seamount trail Carbonated mantle component Hotspot Lithosphere extension

Mineralogical and Geochemical Constraints on the Mantle Source Characteristics of Basaltic Lavas from the Central Mariana Trough被引量：2: 《Journal of Ocean University of China》2023年第5期1313-1325,共13页LAI Zhiqing GAO Wei HAN Zongzhu GUO Kun ZHONG Shihua ZHAO Guangtao; the Shandong Provincial Natural Science Foundation,China(Nos.ZR2017PD002 and ZR2019BD010);the Open Fund of the Key Laboratory of Marine Geology and Environment,Chinese Academy of Sciences(Nos.MGE2019KG05 and MG E2021KG01);the Fundamental Research Funds for the Central Universities(No.202051009)。; The composition of mantle-derived basalts reflects the nature of their mantle source regions,which constrain magma generation and composition.Here we present a new whole rock major and trace elements and phenocryst co...; 关键词：backarc basin basalt subduction component mantle lithology magma generation

Contribution to the Petrographic and Geochemical Study of the Karthala Massif Lavas in the Bangaani Area, Grande Comore, Indian Ocean: 《Open Journal of Geology》2023年第5期312-336,共25页Samba Cissokho Adinane Ahamada Abdoulaye Ndiaye Diomaye Yatte Papa Malick Ngom; The Bangaani area is located in the northwestern part of the Karthala Massif on the island of Grande Comore, about 10 km from the capital Moroni. It is essentially constituted of basalt plateaus outcropping in the for...; 关键词：Bangaani Karthala Comore Alkaline Basalts OIB

Magmatic Evolution of the Western Branch of the East African Rift System Melts: Evidence by Silicate Melt Inclusions, Rock Petrography and Geochemistry of the Nyiragongo 1977 and 2002 Lavas in DRC: 《Open Journal of Geology》2023年第5期449-486,共38页Douxdoux Kumakele Makutu; Nyiragongo volcanic eruptions of 1977 and 2002 emitted silica-undersaturated lavas named melilite-nephelinites with microlithic to sub-porphyritic textures, and consisted of olivine, clinopyroxene (augite), phlogopite...; 关键词：Nyiragongo Lava PETROGRAPHY GEOCHEMISTRY SMIS LA-ICP-MS RIFTING Magma Evolution

Temperature and Hf-O isotope correlations of young erupted zircons from Tengchong(SE Tibet):Assimilation fractional crystallization during monotonic cooling被引量：1: 《Geoscience Frontiers》2023年第1期402-414,共13页Zipei Guo Haibo Zou; National Natural Science Foundation of China(NSFC grant numbers 41973029,41272070)to Zou.; Young zircons from crystal-poor volcanic rocks provide the best samples for the investigations of pre-eruption magmatic processes and for testing a possible relationship between zircon Eu anomalies and crustal thickne...; 关键词：Zircon trace element chemistry Zircon Hf-O isotopes Tengchong volcanoes Continental post-collisional lavas Crustal thickness

The petrogenesis of modern and ophiolitic lavas reconsidered:Ti-V and Nb-Th被引量：2: 《Geoscience Frontiers》2022年第2期90-109,共20页John W.Shervais; supported in part by the National Science Foundation(OCE-1558689)。; Tectonic discrimination diagrams are a key tool for understanding ancient volcanic rock origins.In this contribution we compile over 15,000 whole rock compositions to re-evaluate the Ti-V discrimination diagram and co...; 关键词：OPHIOLITE Discrimination diagrams Trace element geochemistry VANADIUM

Pure forsterite in Nyiragongo lavas: evidence for subsolidus oxidation of volcanic rocks: 《Acta Geochimica》2022年第1期12-23,共12页Innocent Badriyo Agama Gilles Chazot Pierre Kamgang; World Bank Group,GFDRR TF-OA162,Innocent Badriyo Agama。; Some volcanic rocks from Nyiragongo volcano in the Democratic Republic of Congo contain highly oxidized olivine crystals.These olivines crystals are made of two phases,dark olivine on backscattered electron images of ...; 关键词：Nyiragongo OLIVINE FORSTERITE OXIDATION

Petrogenesis and tectonic implication of lavas from the Yap Trench,western Pacific被引量：1: 《Acta Oceanologica Sinica》2021年第11期147-161,共15页Ling Chen Limei Tang Jichao Yang Xiaohu Li Wei Wang Fengyou Chu Jie Zhang; The National Key R&D Program of China under contract No.2017YFC1405502;the Scientific Research Fund of the Second Institute of Oceanography,Ministry of Natural Resources under contract Nos QNYC1901 and JG2002;the National Natural Science Foundation of China under contract No.41976072;the“13th Five-Year Plan”for Resources and Environment Projects of the China Ocean Mineral R&D Association(COMRA)under contract No.DY135-G2-1-01。; We present major and trace element data of lava recovered from the northern Yap Trench in the western Pacific and discuss their petrogenesis and tectonic implications within the framework of interactions between the C...; 关键词：subduction zone Yap Trench forearc magmatism subduction component ridge subduction

Geochemistry of Volcanic Rocks of Beka,North East of Ngaoundéré(Adamawa Plateau,Cameroon):Petrogenesis and Geodynamic Context被引量：1: 《Journal of Geological Research》2021年第3期28-43,共16页Pauline Wokwenmendam Nguet Benjamin Ntieche Joseph Legrand Tchop Bouba Christian Mana Eddy Ferdinand Mbossi; Beka area is situated in the Adamaoua Plateau of Cameroon in central Arica.Lavas in this area has not been studied before the present work.The volcanism of Beka is characterized by basalt,trachyte and phonolite domes ...; 关键词：Alkali lavas Fractional crystallization Partial melting Spinel lherzolite Volcanic zone within plate

Mineralogy and Texture of the Weathered Products from Silicic Lavas in the Sabga Area, North West Cameroon: 《International Journal of Geosciences》2021年第6期605-624,共20页Edith Etakah Bate Tibang Gideon Anoma Waji Elisha Mutum Shemang Cheo Emmanuel Suh; Products of weathering usually clay minerals, are commonly characterized through mineralogical, chemical and geochemical analysis, emphasizing their implications in industrial applications, initiation of landslides an...; 关键词：MINERALOGY Texture SEM Clay

LAVAS