Equilibrium oxygen, hydrogen and carbon isotope fractionation factors applicable to geologic systems

T Chacko, DR Cole, J Horita - Reviews in mineralogy …, 2001 - pubs.geoscienceworld.org
As demonstrated by the chapters in this short course, stable isotope techniques are an
important tool in almost every branch of the earth sciences. Central to many of these …

Diffusion in solid silicates: a tool to track timescales of processes comes of age

S Chakraborty - Annu. Rev. Earth Planet. Sci., 2008 - annualreviews.org
Understanding how processes occurring on a wide range of temporal and spatial scales
combine to produce a stable dynamic Earth is a major goal of the Earth scientist …

Quartz-calcite oxygen isotope thermometry: A calibration based on natural isotopic variations

ZD Sharp, DL Kirschner - Geochimica et Cosmochimica Acta, 1994 - Elsevier
An empirical calibration for the quartz-calcite thermometer was derived from measured Δ 18
O (qz-cc) values from greenschist-facies marbles, veins composed of cogenetic quartz and …

Estimation of oxygen diffusivity from anion porosity in minerals

YF Zheng, B Fu - Geochemical Journal, 1998 - jstage.jst.go.jp
An empirical model for predicting oxygen diffusivity from anion porosity is presented for a
wide range of minerals. It is based on the examination of experimental diffusion data under …

The Jurassic Danba hypozonal orogenic gold deposit, western China: indirect derivation from fertile mantle lithosphere metasomatized during Neoproterozoic …

Q Wang, H Zhao, DI Groves, J Deng, Q Zhang… - Mineralium Deposita, 2020 - Springer
The genesis of hypozonal orogenic gold deposits is highly controversial, with both crustal
metamorphic fluids and variously derived sub-crustal fluids suggested as fluid and metal …

Diffusion in polycrystalline materials: grain boundaries, mathematical models, and experimental data

R Dohmen, R Milke - Reviews in Mineralogy and …, 2010 - pubs.geoscienceworld.org
As a rule of thumb, diffusion along grain boundaries is several orders of magnitude faster
than within minerals and hence it could enable mass transport on much larger spatial scales …

The Qinglongshan oxygen and hydrogen isotope anomaly near Donghai in Jiangsu Province, China

D Rumble, TF Yui - Geochimica et Cosmochimica Acta, 1998 - Elsevier
The Qinglongshan isotope anomaly has unusually low values of both δ18O and δD. Grnets
from coesite-bearing eclogite are as low as− 11‰(VSMOW) and rutiles are− 15‰ …

Isotopic constraints on age and duration of fluid‐assisted high‐pressure eclogite‐facies recrystallization during exhumation of deeply subducted continental crust in …

ZF Zhao, YF Zheng, TS Gao, YB WU… - Journal of …, 2006 - Wiley Online Library
Fluid availability during high‐grade metamorphism is a critical factor in dictating petrological,
geochemical and isotopic reequilibration between metamorphic minerals, with fluid‐absent …

Constraining the cooling rate of the lower oceanic crust: a new approach applied to the Oman ophiolite

LA Coogan, GRT Jenkin, RN Wilson - Earth and Planetary Science Letters, 2002 - Elsevier
Knowledge of the cooling rate of newly formed lower oceanic crust is critical in constraining
models of crustal accretion and hydrothermal circulation at mid-ocean ridges. In this study …

An investigation of closure temperature of the biotite Rb-Sr system: The importance of cation exchange

GRT Jenkin, RM Ellam, G Rogers, FM Stuart - … et Cosmochimica Acta, 2001 - Elsevier
Factors controlling closure in the biotite Rb-Sr system were investigated in a detailed study
of an amphibolite-facies metacarbonate from the central Swiss Alps. Oxygen isotope data …