Diffusion data in silicate melts

Y Zhang, H Ni, Y Chen - Reviews in Mineralogy and …, 2010 - pubs.geoscienceworld.org
Atomic scale diffusion in silicate melts plays a critical role in a variety of magmatic
processes, as long recognized by geologists (Bowen 1921). Geochemists have investigated …

Silicate melt properties and volcanic eruptions

Y Zhang, Z Xu, M Zhu, H Wang - Reviews of Geophysics, 2007 - Wiley Online Library
Knowledge about the properties of silicate melts is needed by volcanologists and
petrologists to evaluate the dynamics of volcanic eruptions and magmatic processes. These …

Toward a general viscosity equation for natural anhydrous and hydrous silicate melts

H Hui, Y Zhang - Geochimica et Cosmochimica Acta, 2007 - Elsevier
A new and empirical viscosity equation for anhydrous and hydrous natural silicate melts has
been developed using the following formulation: where η is the viscosity, T is the …

Peraluminous viscosity maxima in Na2O Al2O3 SiO2 liquids: The role of triclusters in tectosilicate melts

MJ Toplis, DB Dingwell, T Lenci - Geochimica et Cosmochimica Acta, 1997 - Elsevier
We present enhanced-precision viscosity determinations for Na2O Al22O3 SiO2 liquids
which challenge the commonly held view that melts of tectosilicate stoichiometry in this …

The effect of water on the viscosity of a haplogranitic melt under PTX conditions relevant to silicic volcanism

DB Dingwell, C Romano, KU Hess - Contributions to Mineralogy and …, 1996 - Springer
The viscosities of hydrous haplogranitic melts synthesized by hydrothermal fusion at 2 kbar
pressure and 800 to 1040° C have been measured at temperatures just above the glass …

[HTML][HTML] The Independent Volcanic Eruption Source Parameter Archive (IVESPA, version 1.0): A new observational database to support explosive eruptive column …

TJ Aubry, S Engwell, C Bonadonna, G Carazzo… - Journal of Volcanology …, 2021 - Elsevier
Eruptive column models are powerful tools for investigating the transport of volcanic gas and
ash, reconstructing past explosive eruptions, and simulating future hazards. However, the …

The solubility of H2O and CO2 in rhyolitic melts in equilibrium with a mixed CO2–H2O fluid phase

N Tamic, H Behrens, F Holtz - Chemical geology, 2001 - Elsevier
H2O and CO2 solubilities in a natural rhyolite melt (Erevan Dry Fountain (EDF), Armenia) in
equilibrium with H2O–CO2 fluids were determined at 200 and 500 MPa and at 800° C and …

Fictive temperature, cooling rate, and viscosity of glasses

Y Yue, R Von der Ohe, SL Jensen - The Journal of chemical physics, 2004 - pubs.aip.org
The physical correlation between the fictive temperature dependence of the cooling rate of
the melts and the temperature dependence of the equilibrium viscosity has been found by …

Shear viscosities of CaO-Al2O3-SiO2 and MgO-Al2O3-SiO2 liquids: Implications for the structural role of aluminium and the degree of polymerisation of synthetic and …

MJ Toplis, DB Dingwell - Geochimica et Cosmochimica Acta, 2004 - Elsevier
The shear viscosity of 66 liquids in the systems CaO-Al2O3-SiO2 (CAS) and MgO-Al2O3-
SiO2 (MAS) have been measured in the ranges 1–104 Pa s and 108–1012 Pa s. Liquids …

The distribution of Na, K, Rb, Sr, Al, Ge, Cu, W, Mo, La, and Ce between granitic melts and coexisting aqueous fluids

TB Bai, AFK Van Groos - Geochimica et Cosmochimica Acta, 1999 - Elsevier
The distribution of Na, K, Rb, Sr, Al, Ge, Cu, W, Mo, La, and Ce between H2O, NaCl, NaCl+
KCl, HCl, NaF, Na2CO3, or Na2CO3+ K2CO3 aqueous fluids and granitic melts was …