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Article
Features and genesis of micro-nanometer-sized grains on shear slip surface of the 2008 Wenchuan earthquake
In coseismic surface rupture zones caused by the 2008 Mw 7.9 Wenchuan earthquake, some thin-layered fault gouges with strong deformation were observed in different locations. In this paper, fault gouge samples we...
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Article
Characteristics and origin of mafic and ultramafic xenoliths in trachyandesite lavas from Heikongshan volcano, Tengchong, Yunnan Province, China
The trachyandesite lavas from Heikongshan volcano of the Tengchong volcanic cluster, Yunnan Province contain relatively abundant mafic and ultramafic small xenoliths comprising mainly gabbro, pyroxenite and ra...
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Article
Rheology of the lower crust beneath the northern part of North China: Inferences from lower crustal xenoliths from Hannuoba basalts, Hebei Province, China
Lower crustal xenoliths brought up rapidly by basaltic magma onto the earth surface may provide direct information on the lower crust. The main purpose of this research is to gain an insight into the rheology ...
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Article
Microstructural features of fault gouges from Tian**g-shan-**angshan fault zone and their geological implications
Detailed observation of the microstructural features of 11 fault gouge and 3 fault breccia samples collected from Tian**gshan-**angshan fault zone has revealed that fault gouge can be classified into 3 types:...
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Article
Thermal structure and rheology of upper mantle beneath Zhejiang Province, China
The paleogeotherm derived from spinel and garnet lherzolites xenoliths for the upper mantle beneath Zhejiang Province, China is higher than the oceanic geotherm but is similar to the geotherm for the upper man...
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Article
Amphibole-bearing peridotite xenoliths from Nushan, Anhui Province: Evidence for melt percolation process in the upper mantle and lithospheric uplift
The spinel peridotite xenoliths of Group I in Quaternary basanites from Nushan, Anhui Province, can be classified as two suites: a hydrous suite characterized by the ubiquitous occurrence of (Ti-) pargasite an...
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Article
Pseudotachylytes from the Koktokay-Ertai fault zone, **njiang, China, and their seismogeologic implications
Multi-period of pseudotachylytes of variable occurrences and shapes are widely outcropped in Haizikou and Mukurasen sections of the Koktokay-Ertai fault zone. They consist of clasts and matrix. The clasts comp...
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Article
K-rich glass-bearing wehrlite xenoliths from Yitong, Northeastern China: petrological and chemical evidence for mantle metasomatism
Ultramafic xenoliths in Cenozoic alkali basalts from Yitong, northeast China comprise three types in terms of their modal mineralogy: lherzolite, pyroxenite and wehrlite. The wehrlite suite always contains in...