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Palaeozoic Collision Between the North and South China Blocks, Triassic Intracontinental Tectonics, and the Problem of the Ultrahigh-Pressure Metamorphism [PDF]
Comptes Rendus - Geoscience, 2008 International audienceThe Qinling–Dabie Belt represents the boundary between the North and South China Blocks (NCB, SCB, respectively), where ultrahigh-pressure (UHP) rocks are widespread.
Michel Faure +2 more
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Science in China Series D: Earth Sciences, 2000
A detailed tectonic analysis demonstrates that the present observed regional tectonic configuration of the ultrahigh-pressure metamorphic terrane in the Dabie massif was mainly formed by the extension processes of the post-Indosinian continent-continent oblique collision between the Sino-Korean and Yangtze cratons and ultrahigh-pressure metamorphism ...
Shutian Suo, Zengqiu Zhong, Zhendong You
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A detailed tectonic analysis demonstrates that the present observed regional tectonic configuration of the ultrahigh-pressure metamorphic terrane in the Dabie massif was mainly formed by the extension processes of the post-Indosinian continent-continent oblique collision between the Sino-Korean and Yangtze cratons and ultrahigh-pressure metamorphism ...
Shutian Suo, Zengqiu Zhong, Zhendong You
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Evidence for ultrahigh-pressure metamorphism discovered in the Appalachian orogen
Geology, 2020AbstractThe Appalachian orogen has long been enigmatic because, compared to other parts of the Paleozoic orogens that formed following the subduction of the Iapetus Ocean, direct evidence for ultrahigh-pressure (UHP) metamorphism has never been found.
Joseph P. Gonzalez +4 more
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The Realm of Ultrahigh-Pressure Metamorphism
Elements, 2013The discovery of diamond and coesite in crustal rocks is compelling evidence that continental material has experienced pressures that can only be achieved at mantle depths. At least 20 terranes of unequivocal continental crust containing diamond or coesite are now recognized around the globe; their study constitutes a new field in petrology called ...
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Microdiamonds in Ultrahigh-Pressure Metamorphic Rocks
Elements, 2005Since the first report of microdiamonds of metamorphic origin in crustal rocks of the Kokchetav Massif, northern Kazakhstan, diamonds have been described from several other ultrahigh-pressure (UHP) metamorphic terranes. In situ diamond is the best indicator of ultrahigh-pressure conditions (>4 GPa), and testifies to subduction of continental crust to ...
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Ultrahigh‐pressure metamorphism at the Lanterman Range (northern Victoria Land, Antarctica)
Geological Journal, 2011AbstractNorthern Victoria Land is a key area for the Ross Orogen—a Palaeozoic fold belt formed at the palaeo‐Pacific margin of Gondwana and also known as the Delamerian and Tyennan Orogeny in southern Australia, and Tasmania, respectively. A narrow and discontinuous high‐ to ultrahigh‐pressure (HP/UHP) belt, consisting of mafic and ultramafic rocks ...
PALMERI, R. +2 more
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Elastic and Seismic Properties of Dabie‐Sulu Ultrahigh Pressure Metamorphic Rocks
Acta Geologica Sinica - English Edition, 2012Abstract:Lamé modulus (λ) and shear modulus (μ) are among the most important, intrinsic, elastic constants of rocks. Using λ and μ could be much more advantageous than using P‐ and S‐wave velocities (Vp and Vs). Here we quantified these equivalent isotropic elastic moduli for 115 representative rocks from the ultrahigh pressure (UHP) metamorphic ...
WANG Qian +4 more
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High- and ultrahigh-pressure metamorphism from microscopic to orogenic scale
Lithos, 2015This volume includes contributions presented during the 10th International Eclogite Conference held in Courmayeur, Italy, September 2nd-10th ...
Castelli D. +3 more
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Lithospheric seismic fabrics of Sulu ultrahigh-pressure metamorphic belt
Science in China Series D: Earth Sciences, 2005Calibration of seismic reflectors appearing in the crust of the Chinese continent scientific drilling site can be completed through the correlation studies between direct evidences, such as the drill cores, and geophysical signatures; therefore the interpretation of geophysical data could produce reliable results of crustal structure and composition ...
Wencai Yang +3 more
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Exhumation of high- and ultrahigh-pressure metamorphic rocks by slab extraction
Geology, 2003Exhumation of high- and ultrahigh-pressure metamorphic rocks in collisional orogens may be explained by upward extrusion of these rocks, erosion of their overburden, or extensional thinning of the overburden. Some high-pressure terranes, such as the Adula nappe in the Central Alps, fit none of these scenarios. We propose an additional way in which part
Nikolaus Froitzheim +3 more
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