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
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
Carbon Fluxes and Primary Magma CO 2 Contents Along the Global Mid‐Ocean Ridge System
Sign Up to like & getrecommendations! Published in 2019 at "Geochemistry, Geophysics, Geosystems"
DOI: 10.1029/2018gc007630
Abstract: The concentration of carbon in primary mid-ocean ridge basalts (MORBs), and the associated fluxes of CO2 outgassed at ocean ridges, is examined through new data obtained by secondary ion mass spectrometry (SIMS) on 753 globally… read more here.
Keywords: ocean ridge; ocean; mid ocean; co2 ... See more keywords
Petrological Implications of Seafloor Hydrothermal Alteration of Subducted Mid-Ocean Ridge Basalt
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Petrology"
DOI: 10.1093/petrology/egaa086
Abstract: Determining the mineralogical changes occurring in subducted oceanic crust is key to understanding short- and long-term geochemical cycles. Although numerous studies have explored the mineral assemblages that form in mid-ocean ridge basalt (MORB) at different… read more here.
Keywords: ocean ridge; mid ocean; alteration; oceanic crust ... See more keywords
A 65 k.y. time series from sediment-hosted glasses reveals rapid transitions in ocean ridge magmas
Sign Up to like & getrecommendations! Published in 2017 at "Geology"
DOI: 10.1130/g38752.1
Abstract: Studies of ocean ridge magmatism have been hampered by the difficulty in constructing time-series data over more than a few thousand years. Sediment rapidly covers newly formed ocean crust, and older rocks, even when recovered… read more here.
Keywords: ocean ridge; sediment hosted; time series; time ... See more keywords
Description of a new branchiate scale-worm (Polychaeta: Polynoidae) from the hydrothermal vent on Southwest Indian Ocean Ridge
Sign Up to like & getrecommendations! Published in 2017 at "Zootaxa"
DOI: 10.11646/zootaxa.4282.1.7
Abstract: During the Dive90 and Dive94 of Chinese manned submersible “Jiaolong”, some polychaete specimens were collected from the “Longqi” vent field on the Southwest Indian Ocean Ridge. A new species belonging to the genus Branchipolynoe ,… read more here.
Keywords: ocean ridge; new branchiate; indian ocean; southwest indian ... See more keywords