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The Imjingang Belt in the Korean Peninsula (KP) attracts much attention because of its critical position in determining the tectonic affiliation of the peninsula. The key to clarifying current controversy lies in the understudied Archaean–Proterozoic basement rocks and Devonian- Carboniferous sedimentary series (i.e.,Imjin Group) in the North Korean part of the belt. In this study, we present geochronological...
Coeval high-K calc-alkaline to alkaline granites constitute important components of post-collisional to post-orogenic igneous suites in most orogenic belts of various ages on Earth and their genesis harbors a key to ascertaining critical geodynamic controls on continental crustal formation and differentiation. This zircon U–Pb dating and geochemical study documents three contrasting Early Permian...
High-Mg andesites (HMAs) and related basalts constitute a volumetrically minor, but genetically important occurrence along most convergent plate margins of various ages on Earth. The details of their petrogenesis can contain critical information for resolving essential geodynamic and crustal evolutionary issues. This zircon U–Pb dating and geochemical study documents the late Permian metamorphosed...
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