Results 41 to 50 of about 235 (147)

Tectonic Evolution and Crustal Growth of the East Kunlun Orogen, NW China: Insights From the Late Permian–Triassic Granitoids

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 8, August 2026.
Abstract The East Kunlun Orogen (EKO) on the northern margin of the Tibetan Plateau experienced complex Late Paleozoic–Early Mesozoic tectono‐magmatic activities associated with the subduction and closure of the Paleo‐Tethys Ocean. Controversies remain regarding the timing and processes of the transition from subduction to collision and post‐collision,
Xiaodong Wang, Chao Wang, Liyun Zhang, Jinxiang Li, Yahui Yue, Lin Ding   +5 more
wiley   +1 more source

Paleogene magmatism and gold metallogeny of the Jinping terrane in the Ailaoshan ore belt, Sanjiang Tethyan Orogen (SW China): Geology, deposit type and tectonic setting

Ore Geology Reviews, 2017
Abstract The Jinping terrane is situated in the southern segment of the Ailaoshan ore belt, Sanjiang Tethyan Orogen (SW China). The Paleogene intrusions in Jinping consist of syenite porphyry, fine-grained syenite and biotite granite stocks/dikes, and contain relatively low TiO 2 (0.21–0.38 wt%), P 2 O 5 (0.01–0.35 wt%), and high Na 2 O (2.00–4.62 ...
Jing Zhang, Huan Wang, Shihui Li, Tengjian Li   +3 more
openaire   +1 more source

Longevity and Reactivation of Intracontinental Walled Basins: Thermochronologic Evidence From Western Mongolia

Basin Research, Volume 38, Issue 4, July–August 2026.
Permian–Jurassic tectonism produced cooling ages preserved in Mesozoic strata of the Dzereg and Dariv basins. Thermal modeling indicates mid‐Cretaceous and late Cenozoic basin inversion and cooling synchronous with bounding‐range exhumation, supporting a long‐lived source‐to‐sink relationship and persistent inherited relief since the Jurassic ...
Eli VanDyke, Andrea L. Stevens Goddard, Ryan J. Leary, Gombodorj Batsukh   +3 more
wiley   +1 more source

Geochemical evidence of dykes in the Salafchegan-Tafresh region as part of Cenozoic magmatism in the central segment of the Urumieh-Dokhtar magmatic arc [PDF]

پترولوژی
IntroductionIran constitutes a critical segment of the Alpine-Himalayan orogenic belt, formed through the collision of the Arabian, Indian and Eurasian tectonic plates (Rolland et al., 2002; Stampfli and Hochard, 2009; von Raumer et al., 2003; Yin and ...
Morteza Delavari, Mahshid Taati, Amir Ali Tabbakh Shabani   +2 more
doaj   +1 more source

Global Cooling Driving the Increase in Erosion Rates Across the Himalaya Since the Quaternary

Geophysical Research Letters, Volume 53, Issue 13, 16 July 2026.
Abstract Late Cenozoic global cooling is well documented, yet its impact on erosion rates in active mountain belts, particularly after the onset of Quaternary glaciation, remain contentious. This ambiguity partially stems from the potential methodological biases in erosion rate quantification, particularly in the Himalaya, where recent studies report ...
Dongxu Cai, Guangwei Li, Huayu Lu, Qiang Su, Wenbin Zhu, Johan De Grave, Paul R. Eizenhöfer, Matthew Fox, Simon Mudd, Xianyan Wang   +9 more
wiley   +1 more source

Magma Mixing Processes in a Continental Collision Zone: Insights From Mineralogical and Geochemical Constraints

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 7, July 2026.
Abstract Eocene magmatism in southern Tibet records deep geodynamic processes associated with the India‐Asia collision. The Quxu batholith, a representative segment of the Gangdese magmatic belt, hosts widespread mafic microgranular enclaves (MMEs) indicating magma mixing.
Yuanku Meng, Jinghao Zhou, Di Wang, Junling Pei, Qingling Wang, Yu Zhang   +5 more
wiley   +1 more source

Geochemistry and tectonomagmatic setting of protolite rocks of meta-volcanics in the Halab metamorphic complex (SW Dandy, Zanjan Province)

Journal of Economic Geology, 2019
Introduction Three fundamental goals will be followed in the study of metamorphic terrains including: 1- study of fabric in metamorphic rocks in order to recognize the relationship between metamorphism and deformation, 2- the identification of ...
Rahimeh Nafisi, Hossein Kouhestani, Mir Ali Asghar Mokhtari, Martiya Sadeghi   +3 more
doaj   +1 more source

Cretaceous Spatiotemporal Variations in Tectonic Shortening Directions in the Longmen Shan Tectonic Belt and Geodynamic Implications: Constraints From AMS Fabrics and Crustal Rotation in the Western Sichuan Basin

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 7, July 2026.
Abstract As a major tectonic boundary along the eastern margin of the Tibetan Plateau, the Longmen Shan tectonic belt (LMSTB) underwent pronounced crustal shortening and thickening during the Cretaceous. However, the spatiotemporal evolution of Cretaceous shortening and the boundary's response to far‐field tectonic forcing remain incompletely resolved.
Lifu Hou, Lilin Lan, Zaizheng Zhou, Yuhang Cai, Qiwen Zhong, Fujun Liu, Zhen Yu, Yabo Tong, Junling Pei   +8 more
wiley   +1 more source

High‐Resolution Anisian Marine Perturbation by Volcanism in the Eastern Paleo‐Tethys

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 7, July 2026.
Abstract Following the end‐Permian mass extinction, the Middle Triassic Anisian Stage was still characterized by environmental perturbations that hindered biological flourishing, yet it remains uncertain whether these persistent Tethyan disturbances were coupled with the closure of the Paleo‐Tethys Ocean.
Zhenyang Lai, Danxin Li, Yonggang Yan, Qian Zhao, Enxiong Zhou, Yalan Fu, Xiaotai Deng, Thanakan Anchana, Apivut Veeravinantanakul, Punya Charusiri, Weitao Wang, Baochun Huang, Peizhen Zhang   +12 more
wiley   +1 more source

Detrital Zircon U-Pb Age Data and Geochemistry of Clastic Rocks in the Xiahe–Hezuo Area: Implications for the Late Paleozoic–Mesozoic Tectonic Evolution of the West Qinling Orogen

Geosciences
The West Qinling Orogenic Belt (WQOB) contains a sedimentary succession that is approximately 15 km thick, spanning from the Carboniferous to the Jurassic period.
Hang Li, Kang Yan, Kangning Li, Ke Yang, Baocheng Fan, Zhongkai Xue, Li Chen, Haomin Guo   +7 more
doaj   +1 more source