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Wenjing Xu
Nanjing University
UnderplatingGeologyMaficGeochemistryFelsic
3Publications
3H-index
23Citations
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#1Wenjing Xu (NU: Nanjing University)H-Index: 3
#2Xisheng Xu (NU: Nanjing University)H-Index: 24
Last. Gang Zeng (NU: Nanjing University)H-Index: 9
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Abstract Several recent studies have documented that the silicic rocks (SiO 2 > 65 wt.%) comprising Silicic Large Igneous Provinces are derived from partial melting of the crust facilitated by underplating/intraplating of “hidden” large igneous province-scale basaltic magmas. The early Paleozoic intracontinental magmatic rocks in the South China Block (SCB) are dominantly granitoids, which cover a combined area of ~ 22,000 km 2 . In contrast, exposures of mafic rocks total only ~ 45 km 2 . These...
7 CitationsSource
#1Wenjing Xu (NU: Nanjing University)H-Index: 3
#2Xisheng Xu (NU: Nanjing University)H-Index: 24
Large granitoid complexes within the continental crust are believed to be closely linked to mantle-derived magmas based on field observations and isotopic studies. However, details on the contribution of mantle-derived magmas in the generation of felsic magmas deep in the lower to middle crust, especially the interaction between the mantle-derived mafic magmas and the generated felsic melts, are not well constrained by petrological and mineralogical studies. Here we present a detailed study of a...
3 CitationsSource
#1Wenjing Xu (NU: Nanjing University)H-Index: 3
#2Xisheng Xu (NU: Nanjing University)H-Index: 24
Abstract Intraplate magmatism is generally anorogenic in nature, characterized by geochemical and isotopic signatures that are indicative of mantle sources. However, the early Paleozoic intracontinental magmatic rocks in the South China Block, which cover an area of ~ 22,000 km 2 , are mainly granitoids with fertile isotopic signatures. Based on mineral assemblages, these early Paleozoic granitoids are divided into three groups: Group A (amphibole-bearing granitoids) characterized by relatively ...
13 CitationsSource
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