Mantle peridotites of ophiolites rarely preserve reliable records of paleo-oceanic lithospheric mantle

BX Su, QQ Pan, Y **ao, JJ **g, PT Robinson… - Earth-Science …, 2023 - Elsevier
Mantle peridotites of ophiolites have traditionally been interpreted as fragments of residual
oceanic lithospheric mantle depleted by partial melting. However, recent petrological …

Geological records of transient fluid drainage into the shallow mantle wedge

K Yoshida, R Oyanagi, M Kimura, O Plümper… - Science …, 2023 - science.org
Pore fluid pressure on subduction zone megathrusts is lowered by fluid drainage into the
overlying plate, affecting subduction zone seismicity. However, the spatial and temporal …

Halogens in serpentinised-troctolites from the Atlantis Massif: implications for alteration and global volatile cycling

MA Kendrick, MAW Marks, M Godard - Contributions to Mineralogy and …, 2022 - Springer
The concentrations of halogens in serpentinised olivine-rich lithologies in the lower oceanic
crust (eg troctolites and wehrlites) and altered-gabbros, recovered from IODP Hole U1309D …

Ultra-refractory peridotites of Phanerozoic mantle origin: The Papua New Guinea ophiolite mantle tectonites

N Barrett, AL Jaques, I González-Álvarez… - Journal of …, 2022 - academic.oup.com
Harzburgites and dunites forming the base of the Late Cretaceous–Paleocene Papuan
Ultramafic Belt (PUB) and Marum ophiolites of Papua New Guinea (PNG) are among the …

Fingerprinting stealth metasomatism in ophiolitic peridotites

QQ Pan, Y **ao, BX Su, X Liu, PT Robinson, MM Cui… - Lithos, 2022 - Elsevier
Mantle wedge peridotites are characterized by extraordinarily depleted compositions and
their genesis is still controversial. In this study, we present microstructural observations and …

Melt percolation, melt-rock reaction and oxygen fugacity in supra-subduction zone mantle and lower crust from the Leka Ophiolite Complex, Norway

B O'Driscoll, J Leuthold, D Lenaz, H Skogby… - Journal of …, 2021 - academic.oup.com
Samples of peridotites and pyroxenites from the mantle and lower crustal sections of the
Leka Ophiolite Complex (LOC; Norway) are examined to investigate the effects of melt-rock …

Meter-scale chemical and isotopic heterogeneities in the oceanic mantle, Leka Ophiolite Complex, Norway

MB Haller, B O'Driscoll, JMD Day, JS Daly… - Journal of …, 2021 - academic.oup.com
Mantle peridotites from three 3× 3-meter grids sampled at kilometer distances from one
another in the ca. 497 Ma Leka Ophiolite Complex (LOC), Norway, are examined to …

[HTML][HTML] Refertilization of mantle peridotites from the Central Indian Ridge: Response to a geodynamic transition

A Hazra, A Saha, A Verencar… - …, 2021 - pubs.geoscienceworld.org
The phenomena of reactive percolation of enriched asthenospheric melts and pervasive
melt-rock interactions at mid oceanic ridge-rift systems are the principal proponents for …

Investigating the porosity of Enceladus

I Kisvárdai, BD Pál, Á Kereszturi - Monthly Notices of the Royal …, 2023 - academic.oup.com
The interior of Enceladus, a medium-sized icy moon of Saturn hosts hydrothermal activity
and exhibits tidal heating and related geyser-like activity. There are major disagreements in …

Bimodal alteration of the oceanic crust revealed by halogen and noble gas systematics in the Oman Ophiolite

EJ Carter, B O'Driscoll, R Burgess… - Journal of …, 2022 - Wiley Online Library
Hydrothermal alteration of oceanic crust represents a globally significant geochemical
exchange between the crust and oceans, introducing volatile elements into the oceanic …