A new clinopyroxene-liquid barometer, and implications for magma storage pressures under Icelandic rift zones

DA Neave, KD Putirka - American Mineralogist, 2017 - degruyter.com
Pressure is one of the key variables that controls magmatic phase equilibria. However,
estimating magma storage pressures from erupted products can be challenging. Various …

Sector-zoned clinopyroxene as a recorder of magma history, eruption triggers, and ascent rates

T Ubide, S Mollo, J Zhao, M Nazzari… - … et Cosmochimica Acta, 2019 - Elsevier
Sector-zoned clinopyroxene is common in igneous rocks, but has been overlooked in the
study of magmatic processes. Whilst concentric zoning is commonly used as a record of …

Volcanic crystals as time capsules of eruption history

T Ubide, BS Kamber - Nature communications, 2018 - nature.com
Crystals formed prior to a volcanic event can provide evidence of processes leading to and
timing of eruptions. Clinopyroxene is common in basaltic to intermediate volcanoes …

Dendritic crystallization in hydrous basaltic magmas controls magma mobility within the Earth's crust

F Arzilli, M Polacci, G La Spina, N Le Gall… - Nature …, 2022 - nature.com
The majority of basaltic magmas stall in the Earth's crust as a result of the rheological
evolution caused by crystallization during transport. However, the relationships between …

Clinopyroxene–liquid equilibria and geothermobarometry in natural and experimental tholeiites: the 2014–2015 Holuhraun eruption, Iceland

DA Neave, E Bali, GH Guðfinnsson… - Journal of …, 2019 - academic.oup.com
Clinopyroxene–liquid geothermobarometry is a widely used tool for estimating the
conditions under which mafic magmas are stored before they erupt. However, redox …

Deep magma storage revealed by multi-method elemental mapping of clinopyroxene megacrysts at Stromboli volcano

T Ubide, J Caulfield, C Brandt, Y Bussweiler… - Frontiers in Earth …, 2019 - frontiersin.org
The magmatic architecture and physicochemical processes inside volcanoes influence the
style and timescale of eruptions. A long-standing challenge in volcanology is to establish the …

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 …

Zoned orthopyroxenes in the Ni-Co sulfide ore-bearing Xiarihamu mafic-ultramafic intrusion in northern Tibetan Plateau, China: Implications for multiple magma …

KY Wang, XY Song, JN Yi, SJ Barnes, YW She… - Ore Geology …, 2019 - Elsevier
The Xiarihamu mafic-ultramafic intrusion is situated in the East Kunlun Orogenic Belt (E-
KOB), northern Tibetan Plateau, China, with Ni-Co sulfide mineralization mainly in …

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 …

Bubble-enhanced basanite–tephrite mixing in the early stages of the Cumbre Vieja 2021 eruption, La Palma, Canary Islands

D González-García, T Boulesteix, A Klügel, F Holtz - Scientific Reports, 2023 - nature.com
Syneruptive magma mixing is widespread in volcanic eruptions, affecting explosivity and
composition of products, but its evidence in basaltic systems is usually cryptic. Here we …