Timing, petrogenesis and tectonic setting of the Late Paleozoic gabbro–granodiorite–granite intrusions in the Shalazhashan of northern Alxa: Constraints on the southernmost boundary of the Central Asian Orogenic Belt

Shi, Xuhua; Wang, Tao; Zhang, Lei; Castro, Antonio; Xiao, Xia; Tong, Ying; Zhang, Jianjun; Guo, Lei; Yang, Qiang

doi:10.1016/j.lithos.2014.08.024

Cited by 90 publications

(73 citation statements)

References 85 publications

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“…[Zhang et al, 2013;Shi et al, 2014aShi et al, , 2014b), and granitoids in the south belt formed from the late stage of Early Paleozoic to the Late Permian (e.g. [Li, 2006;Dan et al, 2016]).…”

Section: P a L E O G E O D Y N A M I C Smentioning

confidence: 99%

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Late Paleozoic subduction system in the northern margin of the Alxa block, Altaids: Geochronological and geochemical evidences from ophiolites

et al. 2014

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Section: P a L E O G E O D Y N A M I C Smentioning

confidence: 99%

“…This indicates that the granitoids in the two belts have different sources: the source for the north belt granitoids is generally juvenile and the source for the south belt granitoids consists of more old materials. Therefore, the north belt could not be a part of the Alxa block [Shi et al, 2014a[Shi et al, , 2014bZhang et al, 2015].…”

mentioning

confidence: 99%

Late Paleozoic subduction system in the northern margin of the Alxa block, Altaids: Geochronological and geochemical evidences from ophiolites

et al. 2014

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“…This indicates that the ZS zone is most likely a constituent part of the southern CAOB. This inference is further reinforced by whole-rock Nd isotopic studies of Phanerozoic granitoids and volcanic rocks (Yarmolyuk et al, 2007;Dolgopolova et al, 2013;Shi et al, 2014a) and similar Hf-in-zircon isotopes for the ZS zone and the southern CAOB (Fig. 9b).…”

Section: Constraints On the Southern Boundary Of The Caobmentioning

confidence: 63%

“…The zircon xenocrysts from the WNCC are from (Pi et al, 2010;Wu et al, 2013). Previous Hf isotopic data of intrusive rocks in ZS zone cited after Shi et al (2014aShi et al ( , 2014b. Hf isotopic data of Precambrian rocks in ZS zone cited after Shi (2015).…”

Section: Tracking Of Deep Crustal Composition Using Zircon Xenocrystsmentioning

confidence: 98%

Tracking deep crust by zircon xenocrysts within igneous rocks from the northern Alxa, China: Constraints on the southern boundary of the Central Asian Orogenic Belt

Zhang

Wang

Zhang

et al. 2015

Journal of Asian Earth Sciences

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“…The annual amount of evaporation is as high as 30-times the rainfall in this area; hence, it is an extremely arid region with very few people living there [13]. According to the tectonic analyses, this area is situated in the region between the central part of the southern Central Asian Orogenic Belt (CAOB) and the Alxa Block [14,15]. Velocity field of crustal movement based on GPS shows that the crust is relatively stable in Alxa area ( Figure 2) [16].…”

Section: Introductionmentioning

confidence: 98%

Geomechanical Studies on Granite Intrusions in Alxa Area for High-Level Radioactive Waste Disposal

Cheng

Xiao

et al. 2016

Sustainability

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Geological storage is an important concept for high-level radioactive waste (HLW) disposal, and detailed studies are required to protect the environment from contamination by radionuclides. This paper presents a series of geomechanical studies on the site selection for HLW disposal in the Alxa area of China. Surface investigation in the field and RQD analyses on the drill cores are carried out to evaluate the rock mass quality. Laboratory uniaxial and triaxial compressive tests on the samples prepared from the drill cores are conducted to estimate the strength properties of the host rock. It is found that the NRG sub-area has massive granite intrusions, and NRG01 cored granite samples show the best rock quality and higher peak strength under various confinements (0-30 MPa). NRG01 granite samples are applied for more detailed laboratory studies considering the effects of strain rate and temperature. It is observed that the increasing strain rate from 1.0 × 10 −5 -0.6 × 10 −2 ·s −1 can lead to a limited increase on peak strength, but a much more violent failure under uniaxial compressive tests on the NRG01 granite samples, and the temperature increasing from 20 • C-200 • C may result in a slight increase of UCS, as well as more ductile post-peak behavior in the triaxial compressive tests.

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Timing, petrogenesis and tectonic setting of the Late Paleozoic gabbro–granodiorite–granite intrusions in the Shalazhashan of northern Alxa: Constraints on the southernmost boundary of the Central Asian Orogenic Belt

Cited by 90 publications

References 85 publications

Late Paleozoic subduction system in the northern margin of the Alxa block, Altaids: Geochronological and geochemical evidences from ophiolites

Late Paleozoic subduction system in the northern margin of the Alxa block, Altaids: Geochronological and geochemical evidences from ophiolites

Tracking deep crust by zircon xenocrysts within igneous rocks from the northern Alxa, China: Constraints on the southern boundary of the Central Asian Orogenic Belt

Geomechanical Studies on Granite Intrusions in Alxa Area for High-Level Radioactive Waste Disposal

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