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Early Paleozoic basement diorite of arc-magmatism from Kutch basin, Western India: 《Acta Geochimica》2024年第2期296-307,共12页Piyush Gupta Sandeep Singh Shakti Singh Rathore Argha Narayan Sarkar; In this study,we report for theﬁrst time an Early Palaeozoic basement diorite from the drilled well Nirona-A in the Banni Half-Graben of the Kutch basin,western India.The 40Ar–39Ar dates provided a plateau age of 441...; 关键词：Kutch basin 40Ar–39Ar ages Early palaeozoic basement Continental-arc magmatism Calc-alkaline magmatism

Petrology and Geochemical Relationship of Birimian Gabbro-Diorite-Granodiorite Dykes in Basaltic Rocks at Butre Area, SW Ghana: 《Journal of Geoscience and Environment Protection》2024年第2期107-130,共24页Victor Graham George Mensah Tetteh; Granitoids at Butre area, south-western part of the Birimian of Ghana are gabbro to granodiorite which intruded comagmatic basalt and andesite of volcanic island arc setting. Differentiation was from probably mantle f...; 关键词：GRANITOIDS PETROGRAPHY Alteration Metamorphism Geochemistry Butre

Petrogenesis of the Borjuri diorite pluton in the Mikir Massif of Northeast India:implications for post-collisional intermediate magmatism during the Pan-African orogeny: 《Acta Geochimica》2023年第4期747-764,共18页Tribujjal Prakash Ashima Saikia Pallabi Basumatary Bibhuti Gogoi; DST-SERB grant vide Project No.CRG/2020/002635;CSIR-JRF fellowship No.09/1236(11154)/2021-EMR-I。; The Assam-Meghalaya Gneissic Complex(AMGC)of northeast India contains numerous Pan-African granitic bodies that have been attributed to post-collisional rift-related magmatism.The present study is concerned with the f...; 关键词：Granites Rift-related magmatism Intermediate magmatism Within-plate tectonic setting Kathalguri Pluton Assam-Meghalaya Gneissic Complex

Paleomagnetism of late Cretaceous dykes in the Gangdese belt: New constraints on the position and structure of the southern margin of Asia prior to the India-Asia collision被引量：2: 《China Geology》2023年第2期269-284,I0001-I0003,共19页Zhi-yu Yi Si-lin Yang Joseph G.Meert Xu-xuan Ma; financially supported by the National Science Foundation of China(92055205,41672223);the start-up funding from Sun Yat-sen University(74110-18841244).; This paper report paleomagnetic data from late Cretaceous diorite dykes that sub-vertically intrude granodiorites in the eastern Gangdese belt near the city of Lhasa.Our research goals are to provide further constrain...; 关键词：PALEOMAGNETISM Diorite dyke Granodiorite India-Asia collision Southern Tibet Geological survey engineering Lhasa Terrane

Petrogenesis of the Carboniferous Intrusive Rock in the Xiaobaishitou District of East Tianshan,Northwest China:Magma Evolution and Tectonic Significance被引量：1: 《Acta Geologica Sinica(English Edition)》2023年第1期90-105,共16页LI Ning ZHANG Zhixin YANG Fuquan LIU Dongna; supported by the National Natural Science Foundation of China Program(Grant Nos.41672072,41302074);the Third Xinjiang Scientific Expedition Program(Grant No.2021xjkk1301)。; The Xiaobaishitou gabbro-diorite pluton comprises a medium-grained gabbro-diorite suite and a fine-grained diorite suite,which intrude the Kawabulag Group in the East Tianshan Orogen of the Central Asian Orogenic Belt...; 关键词：PETROGENESIS geodynamic implication gabbro-diorite CARBONIFEROUS East Tianshan Orogen

Analysis on Construction Technology of Shield Tunneling in Weathered Diorite Layer with Full Section: 《外文科技期刊数据库(文摘版)工程技术》2022年第4期071-075,共5页JINMing; Economic and social progress has led to an increase in the number and quality of construction projects. It has become an important topic of concern to solve the difficulties and risks of shield-driven construction of ...; 关键词：full section shield machine DIORITE EXCAVATION construction technique

Petrogenesis and tectonic implications of the Early Cretaceous Dagushan adakitic porphyries in the Anshan area,North China Craton: 《Acta Geochimica》2022年第1期24-38,共15页Xiaohui Sun Haoshu Tang Yan Luan; jointly supported by the National Natural Science Foundation of China(Nos.41872085,41503035);the Natural Science Basic Research Plan in Shaanxi Province of China(Nos.2019JM-160,2017JM4006);Fundamental Research Funds for the Central Universities(300102271201)。; The eastern part of the North China Craton suffered significant lithospheric thinning since the Mesozoic,and petrogenesis of the Dagushan adakitic diorite porphyries provides an excellent opportunity to investigate th...; 关键词：Diorite porphyry ADAKITE Lower crust Delamination NCC

Carboniferous ridge subduction in the Xingmeng Orogenic Belt:Constraints from geochronological,geochemical,and Sr-Nd-Hf isotopic analysis of strongly peraluminous granites and gabbro-diorites in the Xilinhot micro-continent被引量：2: 《Geoscience Frontiers》2021年第3期314-332,共19页Changfeng Liu Zhiguang Zhou Guosheng Wang Chen Wu Hongying Li Shiwei Ma; financially supported by the National Natural Science Foundation of China(Grant No.41702054);supported by the Research Funds for the Central Universities(Changfeng-Liu,2652018281)。; The Xingmeng Orogenic Belt evolved through a long-lived orogeny involving multiple episodes of subduction and accretion.However,there is a debate on its tectonic evolution during the Late Paleozoic.Here,we report geoc...; 关键词：Strongly peraluminous granites Gabbro-diorite Xingmeng Orogenic Belt CARBONIFEROUS Ridge subduction

New Occurrence of Gold Mineralization at the Eastern Part of Wadi El Gemal, South Eastern Desert, Egypt: 《Open Journal of Geology》2020年第12期1210-1233,共24页Mohamed Salem Kamar; The basement rock units of the study area are represented by metasediments-metavolcanics association, diorite rocks, granodiorites and syenogranites. The whole sequence is cut by basic dykes, pegmatites and different ...; 关键词：Wadi El Gemal Gold Metasediments-Metavolcanics Association DIORITE EGYPT

Discovery and Geological Significance of Early Carboniferous High-Mg Diorite in the Balikun Area, Eastern Tianshan: 《Acta Geologica Sinica(English Edition)》2020年第S01期39-39,共1页LUO Jinglan WANG Chong; co-funded by the Land and Resources Survey Project of China(Grant no.12120113042200);MOST Special Funds from the State Key Laboratory of Continental Dynamics,Northwest University,Xi’an,China; The granodiorites,monzogranites and diorites are widely developed in the Balikun area of Eastern Tianshan Orogen.Of which,LA–ICP–MS zircon U-Pb isotopic dating from the diorites revealed that they were emplaced at 3...; 关键词：high-Mg diorites U-Pb dating GEOCHEMISTRY PETROGENESIS Balikun area in eastern Tianshan

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