Contrasting Cu isotopes in mid-ocean ridge basalts and lower oceanic crust: Insights into the oceanic crustal magma plumbing systems
Magma plumbing systems exert strong controls on the formation and evolution of the
oceanic crust during crust accretion. However, plumbing system dynamics based largely on …
oceanic crust during crust accretion. However, plumbing system dynamics based largely on …
Cumulate formation and melt extraction from mush-dominated magma reservoirs: the melt flush process exemplified at mid-ocean ridges
Volcanism is the surface expression of extensive magmatic systems, with their intrusive
counterpart representing~ 80% of the total magma budget. Our knowledge of igneous …
counterpart representing~ 80% of the total magma budget. Our knowledge of igneous …
Novel insights from Fe-isotopes into the lithological heterogeneity of Ocean Island Basalts and plume-influenced MORBs
The extent of lithological heterogeneity in the Earth's convecting mantle is highly debated.
Whilst the presence of pyroxenite in the mantle source regions of Ocean Island Basalts …
Whilst the presence of pyroxenite in the mantle source regions of Ocean Island Basalts …
Magma reservoir formation and evolution at a slow-spreading center (Atlantis Bank, Southwest Indian Ridge)
Several ODP-IODP expeditions drilled oceanic core complexes interpreted as exhumed
portions of lower crust close to the ridge axis, and provide the community with invaluable …
portions of lower crust close to the ridge axis, and provide the community with invaluable …
Stable Sn isotope signatures of Mid-ocean ridge basalts
The constraint of Sn isotope composition of the Earth's mantle is the prerequisite for
understanding planet formation with Sn isotopes and Sn isotope fractionation in terrestrial …
understanding planet formation with Sn isotopes and Sn isotope fractionation in terrestrial …
Preserved Nd-Hf-Os isotope variability in replacive channels from the Lanzo ophiolite: Traces of incomplete melt aggregation in the shallow mantle
Long-lived radiogenic isotopes of abyssal peridotites, residues of MORB extraction, show
that the asthenosphere is intrinsically heterogeneous, which is inherited from ancient …
that the asthenosphere is intrinsically heterogeneous, which is inherited from ancient …
Zinc isotopic composition of oceanic crust: Insights from oceanic gabbro cumulates and MORBs
Subducting oceanic crust is a critical driver of chemical and lithological heterogeneity within
the deep mantle. Zinc isotopes (δ 66 Zn JMC-Lyon) have been widely utilized to trace …
the deep mantle. Zinc isotopes (δ 66 Zn JMC-Lyon) have been widely utilized to trace …
[HTML][HTML] Linking rates of slab sinking to long-term lower mantle flow and mixing
Numerical models of Earth's mantle dynamics that aim to comply with a variety of surface
observations and/or modern mantle structure, still predict a widely varying vigour of mantle …
observations and/or modern mantle structure, still predict a widely varying vigour of mantle …
Tracking the evolution of magmas from heterogeneous mantle sources to eruption
This chapter reviews the effects of source heterogeneities, melt‐rock reactions, and
intracrustal differentiation on magma chemistry across mid‐ocean ridges, intraplate settings …
intracrustal differentiation on magma chemistry across mid‐ocean ridges, intraplate settings …
[HTML][HTML] First-row transition elements in pyroxenites and peridotites: A promising tool for constraining mantle source mineralogy
OI Lang, S Lambart - Chemical Geology, 2022 - Elsevier
Mantle heterogeneity has a first-order control on the petrological and geochemical
differences of erupted mafic lavas worldwide. Because of their contrasted distributions …
differences of erupted mafic lavas worldwide. Because of their contrasted distributions …