Measurement of oxygen grain boundary diffusion in natural, fine-grained, quartz aggregates

Grain boundary diffusion measurements using fine-grained, natural, monomineralic aggregates offer several distinct advantages over techniques previously employed. Pure quartz aggregates (Arkansas novaculite), with 1.2 and 4.9 μm diameter grains, were annealed at 450–800°C and 100 MPa confining press...

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Veröffentlicht in:	Geochimica et cosmochimica acta 1991-06, Vol.55 (6), p.1597-1607
Hauptverfasser:	Farver, John R, Yund, Richard A
Format:	Artikel
Sprache:	eng
Schlagworte:	580000 - Geosciences ACTIVATION ENERGY ANNEALING ARKANSAS BENCH-SCALE EXPERIMENTS CHEMICAL REACTIONS CHEMISTRY CRYSTAL STRUCTURE DEVELOPED COUNTRIES DIFFUSION ELEMENTS ENERGY EVEN-EVEN NUCLEI FEDERAL REGION VI GEOCHEMISTRY GEOSCIENCES GRAIN BOUNDARIES GRAIN GROWTH HEAT TREATMENTS ISOTOPES LIGHT NUCLEI MICROSTRUCTURE MINERALS NONMETALS NORTH AMERICA NUCLEI OXIDATION OXIDE MINERALS OXYGEN OXYGEN 18 OXYGEN ISOTOPES QUARTZ ROCK-FLUID INTERACTIONS STABLE ISOTOPES USA
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