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 …

Peralkaline felsic magmatism of the Atlantic Islands

AJ Jeffery, R Gertisser - Frontiers in Earth Science, 2018 - frontiersin.org
The oceanic-island magmatic systems of the Atlantic Ocean exhibit significant diversity in
their respective sizes, ages, and the compositional ranges of their eruptive products …

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 …

Phase equilibrium constraints on the viscosity of silicic magmas: 1. Volcanic‐plutonic comparison

B Scaillet, F Holtz, M Pichavant - Journal of Geophysical …, 1998 - Wiley Online Library
By using recently determined experimental phase equilibria we show that the viscosity of
granitic magmas emplaced at upper crustal levels is approximately constant at∼ 104.5 Pa s …

Formation of Large to Giant Porphyry Mo Deposits: Constraints From Whole-Rock and In Situ Mineral Geochemistry of Causative Magmatic Rocks in the Tongbai …

WT Li, SY Jiang, DL Liu, MZ Yang… - Economic …, 2024 - pubs.geoscienceworld.org
Abstract The Tongbai-Hong'an-Dabie orogenic belt (THD) contains over 3 million tonnes
(Mt) of metal Mo. At least 10 porphyry Mo deposits developed in small to giant scales …

Crystal–melt partitioning of noble gases (helium, neon, argon, krypton, and xenon) for olivine and clinopyroxene

VS Heber, RA Brooker, SP Kelley, BJ Wood - Geochimica et Cosmochimica …, 2007 - Elsevier
Mineral–melt partition coefficients of all noble gases (min/meltDi) have been obtained for
olivine (ol) and clinopyroxene (cpx) by UV laser ablation (213nm) of individual crystals …

Water and the viscosity of depolymerized aluminosilicate melts

A Whittington, P Richet, F Holtz - Geochimica et Cosmochimica Acta, 2000 - Elsevier
To determine the effect of water on the rheology of depolymerized melts, we have measured
the viscosity of two series of hydrated synthetic aluminosilicate melts analogous in bulk …

The viscosity of hydrous phonolites and trachytes

A Whittington, P Richet, Y Linard, F Holtz - Chemical Geology, 2001 - Elsevier
The 1-atm viscosities of hydrated synthetic iron-free phonolite and trachyte melts are
reported between 108.4 and 1013.1 Pa s for water contents between 0 and 5 wt.%. These …

Formation of A-type granites in the Lower Yangtze River Belt: A perspective from apatite geochemistry

XY Jiang, H Li, X Ding, K Wu, J Guo, JQ Liu, WD Sun - Lithos, 2018 - Elsevier
Apatite is ubiquitous in A-type granites, and can be used to elucidate the volatile contents of
the silicate melt, which reflect its source characteristics. A-type granites have been …

Magmatic evolution and controls on rare metal-enrichment of the Strange Lake A-type peralkaline granitic pluton, Québec-Labrador

K Siegel, OV Vasyukova, AE Williams-Jones - Lithos, 2018 - Elsevier
Although it is well known that A-type granites are enriched in the rare earth elements (REE)
and other high field strength elements (HFSE), the magmatic processes that concentrate …