Global variations in abyssal peridotite compositions
JM Warren - Lithos, 2016 - Elsevier
Abyssal peridotites are ultramafic rocks collected from mid-ocean ridges that are the
residues of adiabatic decompression melting. Their compositions provide information on the …
residues of adiabatic decompression melting. Their compositions provide information on the …
Earth's heterogeneous mantle: A product of convection-driven interaction between crust and mantle
A Stracke - Chemical Geology, 2012 - Elsevier
Ubiquitous heterogeneity in the Earth's mantle has been documented by numerous
chemical and isotopic analyses of oceanic basalts. Despite the ever-increasing amount of …
chemical and isotopic analyses of oceanic basalts. Despite the ever-increasing amount of …
Rapid shifting of a deep magmatic source at Fagradalsfjall volcano, Iceland
Recent Icelandic rifting events have illuminated the roles of centralized crustal magma
reservoirs and lateral magma transport,,–, important characteristics of mid-ocean ridge …
reservoirs and lateral magma transport,,–, important characteristics of mid-ocean ridge …
[PDF][PDF] 4.13-Composition of the oceanic crust
When Harry Hess first proposed the theory of seafloor spreading, he imagined that mantle
peridotite upwelling at midocean ridges reacted with water to form a serpentinite oceanic …
peridotite upwelling at midocean ridges reacted with water to form a serpentinite oceanic …
Pervasive reactive melt migration through fast-spreading lower oceanic crust (Hess Deep, equatorial Pacific Ocean)
CJ Lissenberg, CJ MacLeod, KA Howard… - Earth and Planetary …, 2013 - Elsevier
Mid-ocean ridge basalt (MORB) is the most abundant magma on Earth, and provides a
geochemical window into the mantle. Deriving mantle composition and melting processes …
geochemical window into the mantle. Deriving mantle composition and melting processes …
[HTML][HTML] The effects of magmatic processes and crustal recycling on the molybdenum stable isotopic composition of Mid-Ocean Ridge Basalts
Molybdenum (Mo) stable isotopes hold great potential to investigate the processes involved
in planetary formation and differentiation. However their use is currently hampered by the …
in planetary formation and differentiation. However their use is currently hampered by the …
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 …
Sulfur isotope budget (32S, 33S, 34S and 36S) in Pacific–Antarctic ridge basalts: A record of mantle source heterogeneity and hydrothermal sulfide assimilation
To better address how Mid-Ocean Ridge Basalt (MORB) sulfur isotope composition can be
modified by assimilation and/or by immiscible sulfide fractionation, we report sulfur (S) …
modified by assimilation and/or by immiscible sulfide fractionation, we report sulfur (S) …
Cumulate formation and melt extraction from mush-dominated magma reservoirs: the melt flush process exemplified at mid-ocean ridges
M Boulanger, L France - Journal of Petrology, 2023 - academic.oup.com
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 …
Insights into dike nucleation and eruption dynamics from high-resolution seismic imaging of magmatic system at the East Pacific Rise
Models of magmatic systems suggest that the architecture of crustal magma bodies plays an
important role in where volcanic eruptions occur, but detailed field observations are needed …
important role in where volcanic eruptions occur, but detailed field observations are needed …