Trace elements in anatectic products at the roof of mid-ocean ridge magma chambers: An experimental study
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Geology"
DOI: 10.1016/j.chemgeo.2017.03.004
Abstract: At fast-spreading mid-ocean ridges (MORs), the horizon between the axial melt lens (AML) and the overlying sheeted dikes is characterized by extensive anatectic processes. The heat flux of the AML in combination with hydrothermal fluids… read more here.
Keywords: mid ocean; trace; trace elements; roof ... See more keywords
The stable strontium isotopic composition of ocean island basalts, mid-ocean ridge basalts, and komatiites
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Geology"
DOI: 10.1016/j.chemgeo.2018.03.030
Abstract: Ocean island basalts Mid-ocean ridge basalts Komatiites Kilauea Iki Bulk silicate earth A B S T R A C T The radiogenic 87 Rb-87 Sr system has been widely applied to the study of geological… read more here.
Keywords: ocean ridge; ridge basalts; mid ocean; isotopic composition ... See more keywords
Evolution of textures, crystal size distributions and growth rates of plagioclase, clinopyroxene and spinel crystallized at variable cooling rates from a mid-ocean ridge basaltic melt
Sign Up to like & getrecommendations! Published in 2020 at "Earth-Science Reviews"
DOI: 10.1016/j.earscirev.2020.103165
Abstract: Abstract Mid-ocean ridge basalts (MORBs) are the most abundant eruptive tholeiitic products on Earth. Many experiments have been performed to investigate the solidification of basalts but under limited thermal ranges of cooling (ΔTc) and cooling… read more here.
Keywords: evolution; mid ocean; growth rates; cpx ... See more keywords
How do detachment faults form at ultraslow mid-ocean ridges in a thick axial lithosphere?
Sign Up to like & getrecommendations! Published in 2020 at "Earth and Planetary Science Letters"
DOI: 10.1016/j.epsl.2019.116048
Abstract: Abstract Slow-spreading mid-ocean ridges develop large offset normal faults, or detachments, that exhume mantle-derived peridotites to the seafloor. Successive detachments that flip polarity (flip-flop detachments) have been documented in corridors of nearly amagmatic spreading at… read more here.
Keywords: mid ocean; ocean ridges; axial lithosphere; flip flop ... See more keywords
Controls on the magmatic fraction of extension at mid-ocean ridges
Sign Up to like & getrecommendations! Published in 2020 at "Earth and Planetary Science Letters"
DOI: 10.1016/j.epsl.2020.116541
Abstract: Abstract The fraction M of plate separation accommodated by magma emplacement at mid-ocean ridges has been recognized as the main control on seafloor spreading modes, yet the factors that control M itself are poorly understood.… read more here.
Keywords: lithospheric thickness; mid ocean; rate; ocean ridges ... See more keywords
Using precious metal probes to quantify mid-ocean ridge magmatic processes
Sign Up to like & getrecommendations! Published in 2021 at "Earth and Planetary Science Letters"
DOI: 10.1016/j.epsl.2020.116603
Abstract: Abstract Basalts from the East Pacific Rise (EPR), Siqueiros transform zone and Mid-Atlantic Ridge (MAR) area have been analyzed for the platinum-group elements (PGE) and a wide range of incompatible elements. The low PGE content… read more here.
Keywords: ocean ridge; mid ocean; ridge; sulfide saturated ... See more keywords
Iron isotope fractionation during mid-ocean ridge basalt (MORB) evolution: Evidence from lavas on the East Pacific Rise at 10°30′N and its implications
Sign Up to like & getrecommendations! Published in 2019 at "Geochimica et Cosmochimica Acta"
DOI: 10.1016/j.gca.2019.09.031
Abstract: Abstract Whether the Earth’s mantle has a chondritic δ56Fe (deviation in 56Fe/54Fe from the IRMM-014 standard in parts per thousand) value or not remains under debate. The current view is that the observed average δ56Fe… read more here.
Keywords: ocean ridge; mid ocean; isotope; rise ... See more keywords
Barium isotopes in mid-ocean ridge hydrothermal vent fluids: A source of isotopically heavy Ba to the ocean
Sign Up to like & getrecommendations! Published in 2021 at "Geochimica et Cosmochimica Acta"
DOI: 10.1016/j.gca.2020.09.037
Abstract: Abstract Mid-ocean ridge (MOR) hydrothermal vent fluids are enriched with dissolved barium, but due to barite (BaSO4) precipitation during mixing between Ba-bearing vent fluids and SO4-bearing seawater, the magnitude of hydrothermal Ba input to the… read more here.
Keywords: ocean ridge; mid ocean; vent fluids; precipitation ... See more keywords
New discriminant-function-based multidimensional discrimination of mid-ocean ridge and oceanic plateau
Sign Up to like & getrecommendations! Published in 2020 at "Geoscience frontiers"
DOI: 10.1016/j.gsf.2020.01.005
Abstract: Abstract From a compilation of geochemical data for the discrimination of the tectonic settings of mid-ocean ridge (MOR; 3730 samples) and oceanic plateau (OP; 3656 samples), we present two new discriminant functions and diagrams obtained… read more here.
Keywords: ocean ridge; mid ocean; oceanic plateau; new discriminant ... See more keywords
Quantitative vesicle analyses and total CO2 reconstruction in mid-ocean ridge basalts
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Volcanology and Geothermal Research"
DOI: 10.1016/j.jvolgeores.2020.107109
Abstract: Abstract Vesicle textures in submarine lavas have been used to calculate total (pre-eruption) volatile concentrations in mid-ocean ridge basalts (MORB), which provide constraints on upper mantle volatile concentrations and global mid-ocean ridge CO2 flux. In… read more here.
Keywords: ocean ridge; mid ocean; vesicle; volatile concentrations ... See more keywords
Mid-ocean ridge vs. forearc and subduction settings: Clues from rodingitization of tectonic fragments in the Neoproterozoic ophiolites of the Eastern Desert, Egypt
Sign Up to like & getrecommendations! Published in 2019 at "Lithos"
DOI: 10.1016/j.lithos.2019.05.021
Abstract: Abstract Tectonic melange fragments (metabasalt and metadiabase) in the ophiolitic serpentinites of the Egyptian Eastern Desert show peculiar mineral assemblages and they provide useful insights into metamorphism and metasomatism. New field and mineralogical data indicate… read more here.
Keywords: subduction; ocean ridge; eastern desert; mid ocean ... See more keywords