Crystal size distribution (CSD) analysis of volcanic samples: advances and challenges

KV Cashman - Frontiers in earth science, 2020 - frontiersin.org
Studies of magmatic systems have long used the textures of erupted samples to infer
processes that control the location and duration of magma storage and drive volcanic …

Glass forming ability and crystallisation behaviour of sub-alkaline silicate melts

F Vetere, G Iezzi, H Behrens, F Holtz, G Ventura… - Earth-science …, 2015 - Elsevier
The intrinsic solidification behaviour and glass forming ability (GFA) of natural sub-alkaline
silicate melts have been experimentally quantified via cooling-induced solidification …

Phosphorus zoning reveals dendritic architecture of olivine

B Welsch, J Hammer, E Hellebrand - Geology, 2014 - pubs.geoscienceworld.org
The texture and composition of igneous minerals are unique recorders of the temperature,
pressure, and composition of magma reservoirs, conduits, and lava flows. Decoding this …

The role of undercooling during clinopyroxene growth in trachybasaltic magmas: Insights on magma decompression and cooling at Mt. Etna volcano

M Masotta, A Pontesilli, S Mollo, P Armienti… - … et Cosmochimica Acta, 2020 - Elsevier
Isothermal and undercooling experiments were conducted on one of the most primitive
trachybasalts from Mt. Etna volcano in order to examine the crystallization mechanisms …

Dynamic crystallization in magmas

S Mollo, JE Hammer - 2017 - pubs.geoscienceworld.org
Undercooling and crystallization kinetics are recognized increasingly as important
processes controlling the final textures and compositions of minerals as well as the …

Clinopyroxene in postshield Haleakala ankaramite: 2. Texture, compositional zoning and supersaturation in the magma

B Welsch, J Hammer, A Baronnet, S Jacob… - … to Mineralogy and …, 2016 - Springer
We investigated the external morphologies and internal compositional zoning patterns of
clinopyroxene phenocrysts in an ankaramite of Haleakala volcano (Hawaii) to constrain …

Rapid mixing and short storage timescale in the magma dynamics of a steady-state volcano

CM Petrone, E Braschi, L Francalanci… - Earth and Planetary …, 2018 - Elsevier
Steady-state volcanic activity implies equilibrium between the rate of magma replenishment
and eruption of compositionally homogeneous magmas, lasting for tens to thousands of …

Crystallisation in basaltic magmas revealed via in situ 4D synchrotron X-ray microtomography

M Polacci, F Arzilli, G La Spina, N Le Gall, B Cai… - Scientific reports, 2018 - nature.com
Magma crystallisation is a fundamental process driving eruptions and controlling the style of
volcanic activity. Crystal nucleation delay, heterogeneous and homogeneous nucleation …

Pre-eruptive magmatic processes re-timed using a non-isothermal approach to magma chamber dynamics

CM Petrone, G Bugatti, E Braschi… - Nature communications, 2016 - nature.com
Constraining the timescales of pre-eruptive magmatic processes in active volcanic systems
is paramount to understand magma chamber dynamics and the triggers for volcanic …

Forming olivine phenocrysts in basalt: a 3D characterization of growth rates in laboratory experiments

AJ Mourey, T Shea - Frontiers in Earth Science, 2019 - frontiersin.org
Our current knowledge of the genesis, ascent, storage, and eruption of mafic magmas is
intimately linked with olivine, its primary crystal cargo. Recent claims that phenocryst-size …