Browsing ELibrary by Author "Xiao Y."

Now showing items 1-8 of 8

INITIAL PB-SR(-ND) ISOTOPIC HETEROGENEITY IN A SINGLE ALLANITE-EPIDOTE CRYSTAL: IMPLICATIONS OF REACTION HISTORY FOR THE DATING OF MINERALS WITH LOW PARENT-TO-DAUGHTER RATIOS

Romer R.L.; Xiao Y. (2005)

We analyzed 17 fragments from a zoned allanite–epidote crystal (ca 2.2mm 4.0mm), which had formed during different prograde and retrograde stages of ultra high pressure (UHP) and amphibolite facies metamorphism (240–230Ma, ...
MAKING CONTINENTAL CRUST THROUGH SLAB MELTING: CONSTRAINTS FROM NIOBIUM-TANTALUM FRACTIONATION IN UHP METAMORPHIC RUTILE

Xiao Y.; Hoefs J.; Simon K.; Li S.; Sun W.; Hofmann A.W.; Zhang Z. (2006)

The formation of the continental crust (CC) is one of the most important processes in the evolution of the silicate Earth. Exactly how the CC formed is the subject of ongoing debate that focuses on its subchondritic Nb/Ta ...
MINERAL AND FLUID INCLUSIONS IN ZIRCON OF UHP METAMORPHIC ROCKS FROM THE CCSD-MAIN DRILL HOLE: A RECORD OF METAMORPHISM AND FLUID ACTIVITY

Zhang Z.; Shen K.; Xiao Y.; Hoefs J.; Liou J.G. (2006)

The Chinese Continental Scientific Drilling (CCSD) main drill hole (0-3000 m) in Donghai, southern Sulu orogen, consists of eclogite, paragneiss, orthogneiss, schist and garnet peridotite. Detailed investigations of Raman, ...
MODELING THE KINETICS AND MECHANISMS OF PETROLEUM AND NATURAL GAS GENERATION: A FIRST PRINCIPLES APPROACH

Xiao Y. (2001)

The last twenty years have seen great advances in the understanding of petroleum and natural gas resulting from the application of new technologies, in particular high-resolution analytical and spectroscopic methods. These ...
MOLECULAR ORBITAL MODELING AND TRANSITION STATE THEORY IN GEOCHEMISTRY

Felipe M.A.; Xiao Y.; Kubicki J.D. (2001)

Fundamental to the understanding of geochemical phenomena is the accurate determination of viable chemical reactions and their rates. The accurate determination of the rate constants of underlying chemical reaction are ...
OXYGEN AND HYDROGEN ISOTOPE GEOCHEMISTRY OF GNEISSES ASSOCIATED WITH ULTRAHIGH PRESSURE ECLOGITES AT SHUANGHE IN THE DABIE MOUNTAINS

Fu B.; Zheng Y.F.; Wang Zh.; Xiao Y.; Gong B.; Li Sh. (1999)

The oxygen and hydrogen isotope compositions of minerals and whole rock were determined for two types of gneiss (biotite gneiss and granitic gneiss) associated with ultrahigh pressure (UHP) eclogites in the Shuanghe district ...
ULTRAHIGH PRESSURE METAMORPHIC ROCKS FROM THE CHINESE CONTINENTAL SCIENTIFIC DRILLING PROJECT: I. PETROLOGY AND GEOCHEMISTRY OF THE MAIN HOLE (0–2,050 M)

Zhang Z.; Xiao Y.; Hoefs J.; Liou J.G.; Simon K. (2006)

The main hole (MH) of the Chinese Continental Scientific Drilling Project (CCSD) in southern Sulu has penetrated into an ultrahigh-pressure (UHP) metamorphic rock slice which consists of orthogneiss, paragneiss, eclogite, ...
ULTRAHIGH-PRESSURE METAMORPHIC ROCKS FROM THE CHINESE CONTINENTAL SCIENTIFIC DRILLING PROJECT: II OXYGEN ISOTOPE AND FLUID INCLUSION DISTRIBUTIONS THROUGH VERTICAL SECTIONS

Xiao Y.; Hoefs J.; van den Kerkhof A.; Zhang Z. (2006)

In order to reconstruct the formation and exhumation mechanisms of UHP metamorphic terrains, the Chinese Continental Scientific Drilling Program (CCSD) has been carried out in Donghai of the Dabie-Sulu ultrahigh-pressure ...

Browsing ELibrary by Author "Xiao Y."

Browsing ELibrary by Author "Xiao Y."

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