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 …

Preservation of magma recharge signatures in Kīlauea olivine during protracted storage

AJ Mourey, T Shea, JE Hammer - Journal of Geophysical …, 2023 - Wiley Online Library
Recharges of magma underneath basaltic volcanoes can occur as precursory events prior to
an eruption but are not always revealed in geophysical data streams or erupted lavas …

The fusion crust of the Winchcombe meteorite: A preserved record of atmospheric entry processes

MJ Genge, L Alesbrook, NV Almeida… - … & Planetary Science, 2024 - Wiley Online Library
Fusion crusts form during the atmospheric entry heating of meteorites and preserve a record
of the conditions that occurred during deceleration in the atmosphere. The fusion crust of the …

New olivine morphologies in shergottites reveal complex thermal histories of martian magmas

SA Eckley, RA Ketcham, Y Liu, A Udry… - … et Cosmochimica Acta, 2024 - Elsevier
Petrogenetic models of martian magmas reflect the compositional, thermal, and
geodynamical evolution of its interior. Most models for shergottite meteorites, which sampled …

Crystal archives of magmatic processes

T Ubide, DA Neave, M Petrelli… - Frontiers in Earth Science, 2021 - frontiersin.org
Crystals are direct witnesses of intricate journeys of magma transfer and storage through
Earth's mantle and crust. Crystals thus provide windows into processes that are physically …

Sulfidation of nano-magnetite to pyrite: Implications for interpreting paleoenvironmental proxies and biosignature records in hydrothermal sulfide deposits

EA Runge, M Mansor, J Shuster, S Fischer, Y Liu… - Earth and Planetary …, 2023 - Elsevier
Nano-magnetite is a potential archive for biosignatures and paleoenvironmental proxies in
hydrothermal systems. However, sulfidic diagenesis at hydrothermal conditions potentially …

Reappraising Crystallization Kinetics with Overgrowth Chronometry: an in Situ Study of Olivine Growth Velocities

B Welsch, F Faure, EC First - Journal of Petrology, 2023 - academic.oup.com
We investigated the early stages of olivine crystal growth via in situ seeded experiments in a
single plagioclase-hosted melt inclusion, using a heating stage microscope. Each …

Olivine exit interviews—piecing together magmatic puzzles

P Ruprecht, B Welsch - Elements, 2023 - pubs.geoscienceworld.org
When magmas erupt at the surface, they may have undergone many changes since their
inception. While olivine drives some of these changes through crystallization and …

The effects of superheating and cooling rate on olivine growth in chondritic liquid

M Auxerre, F Faure, D Lequin - Meteoritics & Planetary Science, 2022 - Wiley Online Library
Chondrules, the major constituent of chondrites, are millimeter‐sized igneous objects
resulting from the crystallization of silicate liquids produced by the partial or complete …

Effect of crustal stress state on magmatic stalling and ascent: case study from Puyehue-Cordón Caulle, Chile

KJ Chamberlain, DJ Morgan, LE Lara, R Walshaw… - Bulletin of …, 2024 - Springer
Abstract The Southern Volcanic Zone (SVZ) in Chile is an active continental arc with a
complex history of volcanism, where a range of magmatic compositions have been erupted …