Výsledky vyhledávání - "Gweltaz Mahéo"

Stable isotope composition of fluid inclusions in quartz minerals : New method for paleoaltimetry

Autor: Patrick Jame, Philippe Hervé Leloup, Raphaël Melis, Véronique Gardien, Gweltaz Mahéo, Christophe Lécuyer, Eric Bonjour

Publikováno v: EGU General Assembly vEGU21
EGU General Assembly vEGU21, Apr 2021, on line, France. ⟨10.5194/egusphere-egu21-15983⟩

Paleoaltimetry is a powerful tool to study tectonic, climate and surface processes interactions. Indeed, stable isotope composition of meteoric water can be correlated with the elevation of reliefs. The δ18O and δD of orogenic rainfall decrease whi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d5a6ef0338b7b885d63d4455d726f26
https://doi.org/10.5194/egusphere-egu21-15983

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ZIRCON U-PB GEOCHRONOLOGY AND HF ISOTOPIC COMPOSITIONS OF AMA DRIME MIGMATITIC GNEISSES: IMPLICATIONS FOR THE ASSEMBLY OF THE PALEOPROTEROZOIC SUPERCONTINENT COLUMBIA

Autor: Philip C. Goodell, Munazzam Ali Mahar, Gweltaz Mahéo, David West

Publikováno v: Geological Society of America Abstracts with Programs.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7b36bf776f157ce7c213c517db8f5fc2
https://doi.org/10.1130/abs/2021am-368247

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Role of the Early Miocene Jinhe-Qinghe Thrust Belt in the building of the Southeastern Tibetan Plateau topography

Autor: Yue Chen, Pan Zhang, Chengyu Zhu, Philippe Hervé Leloup, Kai Cao, Guiling Wu, Bo Wu, Paul Sotiriou, Gweltaz Mahéo, Tianyi Shen, Guocan Wang

Publikováno v: Tectonophysics
Tectonophysics, 2021, 811, ⟨10.1016/j.tecto.2021.228871⟩
Tectonophysics, Elsevier, 2021, 811, ⟨10.1016/j.tecto.2021.228871⟩

International audience; Understanding the role of southeastern Tibetan thrust faults in the development of plateau topography is key to our assessment of the geodynamic processes shaping continental topography. Detailed structural analysis along the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::393fb32efefd16c6fbc781be31e38b11
https://univ-lyon1.hal.science/hal-03371256/document

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Miocene Subsidence and Surface Uplift of Southernmost Tibet Induced by Indian Subduction Dynamics

Autor: Gang Wang, Tianyi Shen, Pan Zhang, Kexin Zhang, Laurent Husson, Gweltaz Mahéo, Anne Replumaz, Philippe Hervé Leloup, Matthias Bernet, A. Alexander G. Webb

Publikováno v: Geochemistry, Geophysics, Geosystems
Geochemistry, Geophysics, Geosystems, 2020, 21 (10), ⟨10.1029/2020GC009078⟩
Geochemistry, Geophysics, Geosystems, AGU and the Geochemical Society, 2020, 21 (10), ⟨10.1029/2020GC009078⟩

International audience; The Indus-Yarlung suture of southernmost Tibet marks the initial collisional zone, the ongoing India-Asia collision, and yet more than~30 million years after the onset of collision, a thick detrital sedimentary unit was deposi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::94fe4b8639ef85eeedcc000b924b0fde
https://hal.science/hal-02999040

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Oligocene-Early Miocene Topographic Relief Generation of Southeastern Tibet Triggered by Thrusting

Autor: Guocan Wang, Pieter A. van der Beek, Gweltaz Mahéo, Yadong Xu, Anne Replumaz, Kexin Zhang, Philippe Hervé Leloup, Kai Cao

Publikováno v: Tectonics
Tectonics, 2019, 38 (1), pp.374-391. ⟨10.1029/2017tc004832⟩
TECTONICS
TECTONICS, 2019, 38 (1), pp.374--391. ⟨10.1029/2017tc004832⟩
Tectonics, American Geophysical Union (AGU), 2019, 38 (1), pp.374-391. ⟨10.1029/2017tc004832⟩

International audience; The timing and mechanisms of uplift in southeastern Tibet remain disputed. To address this debate, we conducted structural and morphological analyses of the Yulong thrust belt; we also reconstruct the cooling and exhumation hi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::41ae36d5dd5e715bcb51f5218bbfed48
https://hal.science/hal-03080776/file/Cao-Tectonics-2019-Preprint.pdf

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Timing and origin of migmatitic gneisses in south Karakoram: Insights from U–Pb, Hf and O isotopic record of zircons

Autor: Munazzam Ali Mahar, Philip C. Goodell, Gweltaz Mahéo, Terry L. Pavlis

Publikováno v: Journal of Asian Earth Sciences
Journal of Asian Earth Sciences, 2016, 120, pp.1-16. ⟨10.1016/j.jseaes.2016.01.014⟩

The timing and origin of partial melting in collision belts is crucial to understand the thermotectonic evolution and the relationship between HT metamorphism and magmatism in over-thickened crust. In the present study, we used the in-situ isotopic (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::402fe17ee2fc79c9f3d64abb650d0bf7
https://doi.org/10.1016/j.jseaes.2016.01.014

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Paleoelevations in the Jianchuan Basin of the southeastern Tibetan Plateau based on stable isotope and pollen grain analyses

Autor: Philippe Hervé Leloup, John M. Eiler, Carmala N. Garzione, Guocan Wang, Kexin Zhang, Yadong Xu, Gweltaz Mahéo, Philippe Sorrel, Jing Wu

Publikováno v: Palaeogeography, Palaeoclimatology, Palaeoecology
Palaeogeography, Palaeoclimatology, Palaeoecology, 2018, 510, pp.93--108. ⟨10.1016/j.palaeo.2018.03.030⟩
Palaeogeography, Palaeoclimatology, Palaeoecology, Elsevier, 2018, 510, pp.93--108. ⟨10.1016/j.palaeo.2018.03.030⟩

The southeastern margin of the Tibetan Plateau (TP) is a key region for understanding the region's surface uplift mechanisms. This study focused on the Jiuziyan and Shuanghe Formations (Fms) in the Jianchuan Basin, both of which include lacustrine ca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::07616194ad5eb2fed2b646641c84b8e4
https://univ-lyon1.hal.science/hal-02322969

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