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Journal of Asian Earth Sciences
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2.76
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4595
Papers 4768
1 page of 477 pages (4,768 results)
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#1I. Callegari (German University of Technology in Oman)H-Index: 1
#2Andreas Scharf (Sultan Qaboos University)H-Index: 7
Last.Mohammed Al Kindi (German University of Technology in Oman)
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Abstract This work describes two early Cambrian folding events within Cryogenian to earliest Cambrian rocks of the western Jabal Akhdar Dome (NE Oman). This sequence is truncated at an angular unconformity and overlain by a Permo-Mesozoic succession that is folded into a wide, gentle anticline, that differs in style and intensity of deformation from that below the unconformity. An older Paleozoic deformation (D1) have been identified within limestone of the Hajir Formation, in which F1 metric fo...
#1Michel Villeneuve (AMU: Aix-Marseille University)H-Index: 5
#2Camille Rossignol (USP: University of São Paulo)H-Index: 4
Last.Sylvie Bourquin (CNRS: Centre national de la recherche scientifique)H-Index: 18
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Abstract This study documents the sedimentology, structures, and foraminifer content of Triassic formations from the eastern part of the Truong Son Belt (Northern Vietnam). Sedimentary rocks in the eastern Song Da and Sam Nua basins occur on both sides of the Middle Triassic Song Ma suture zone that separates the Indochina Block from the South China Block. The main outcomes of our study include detailed stratigraphic successions that we have established for the two basins. New foraminifer determ...
#1Chakkaphan Sutthirat (Chula: Chulalongkorn University)H-Index: 6
Last.Thitiphan Assawincharoenkij (Chula: Chulalongkorn University)H-Index: 2
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Abstract Trace element geochemistry of zircons in the Bo Phloi basaltic gem deposit, Kanchanaburi, Western Thailand indicates that majority of the sapphires and associated minerals appear to have crystallized in an environment related to highly alkaline felsic melt with subordinate collaboration of contact metamorphism at the lower crust. The U-Pb dating of a zircon inclusion in sapphire and zircons in two sapphire-bearing gravels yielded the average ages of 24±0.9, 10.86±0.14 and 4.4±0.4 Ma, re...
Abstract The recently discovered Xiyi Pb–Zn deposit in Yunnan Province, SW China, contains 1.2 Mt of Pb and Zn metal. It is located within the Baoshan Block, in the Sanjiang Tethys orogenic belt and is hosted along fractures within carbonates of the Lower Carboniferous Xiangshan Formation. The deposit is hosted by veins within NE–SW trending strike-slip and steeply dipping NW–SE trending normal fault zones. The formation of the deposit involved sedimentary, hydrothermal, and supergene oxidation ...
#1Ming Xu (Ontario Ministry of Natural Resources)
#2Jianwen Chen (Ontario Ministry of Natural Resources)H-Index: 1
Last.Hong Liu (Ontario Ministry of Natural Resources)
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Abstract The South Yellow Sea basin (SYSB), as the eastern part of the Yangtze Block, has undergone multiple tectonic events since the formation of its basement. The North China-South China collision affected intensely the structures of the basin. The relationship between the deep structures in the basement and collisional orogeny has long been a matter of debate. In this paper, 2D seismic, magmatic, gravity and drilling data were integrated to unravel the basement structures. In the interpreted...
Last.Dipanjan Bhattacharjee (Indira Gandhi National Tribal University)H-Index: 1
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Abstract Continental crust accommodates crustal deformation through repeated reactivation of old shear/fault zones that constitute domains of long-term structural weakness. Reactivation is often triggered by mechanical and chemical (fluid-assisted) changes of the host rocks within the fault core region. However, faults can also reactivate in fluid-poor condition if they are oriented favourably with respect to the prevalent stress regime. An example comes from the Gavilgarh-Tan shear/fault zone (...
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