Primitive layered gabbros from fast-spreading lower oceanic crust
Three-quarters of the oceanic crust formed at fast-spreading ridges is composed of plutonic
rocks whose mineral assemblages, textures and compositions record the history of melt …
rocks whose mineral assemblages, textures and compositions record the history of melt …
MORB differentiation: in situ crystallization in replenished-tapped magma chambers
LA Coogan, MJ O'Hara - Geochimica et Cosmochimica Acta, 2015 - Elsevier
The differentiation of mid-ocean ridge basalt (MORB) is investigated with a focus on
intermediate-to fast-spreading ridges and two recently proposed differentiation …
intermediate-to fast-spreading ridges and two recently proposed differentiation …
Volatile abundances and oxygen isotopes in basaltic to dacitic lavas on mid-ocean ridges: the role of assimilation at spreading centers
Most geochemical variability in MOR basalts is consistent with low-to moderate-pressure
fractional crystallization of various mantle-derived parental melts. However, our geochemical …
fractional crystallization of various mantle-derived parental melts. However, our geochemical …
[HTML][HTML] Hydraulically linked reservoirs simultaneously fed the 1975–1984 Krafla Fires eruptions: Insights from petrochemistry
SM Rooyakkers, KJ Carroll, AF Gutai… - Earth and Planetary …, 2024 - Elsevier
Abstract The 1975–1984 Krafla Fires in northeast Iceland was the first plate-boundary rifting
episode to be tracked using seismic and geodetic monitoring. Geophysical observations …
episode to be tracked using seismic and geodetic monitoring. Geophysical observations …
Expedition 349 summary
C.-F. Li, J. Lin, DK Kulhanek, T. Williams, R. Bao, A. Briais, EA Brown, Y. Chen, PD Clift, FS
Colwell, KA Dadd, W.-W. Ding, I. Hernández-Almeida, X.-L. Huang, S. Hyun, T. Jiang, AAP …
Colwell, KA Dadd, W.-W. Ding, I. Hernández-Almeida, X.-L. Huang, S. Hyun, T. Jiang, AAP …
Lithium and Li-isotopes in young altered upper oceanic crust from the East Pacific Rise
C Brant, LA Coogan, KM Gillis, WE Seyfried… - … et Cosmochimica Acta, 2012 - Elsevier
Lithium contents and Li-isotope ratios have been measured in a section of young oceanic
upper crust formed at the East Pacific Rise and exposed in the Hess Deep rift. The Li …
upper crust formed at the East Pacific Rise and exposed in the Hess Deep rift. The Li …
[PDF][PDF] The significance of sheeted dike complexes in ophiolites
Sheeted dike complexes, in which dike intrudes dike without intermediate screens of gabbro
or pillow lava, have long been considered key features of oceanic lithosphere and ophiolites …
or pillow lava, have long been considered key features of oceanic lithosphere and ophiolites …
Primitive melt replenishment and crystal-mush disaggregation in the weeks preceding the 2005–2006 eruption 9 50′ N, EPR
Abstract The 2005–2006 eruption at∼ 9° 50′ N, East Pacific Rise provides an exceptional
opportunity to investigate the magma plumbing system beneath a well-studied ridge system …
opportunity to investigate the magma plumbing system beneath a well-studied ridge system …
The timescales of magma evolution at mid-ocean ridges
Oceanic crust is continuously created at mid-ocean ridges by decompression melting of the
upper mantle as it upwells due to plate separation. Decades of research on active spreading …
upper mantle as it upwells due to plate separation. Decades of research on active spreading …
Geochemistry, petrogenesis and tectonic setting of the Samothraki mafic suite, NE Greece: Trace-element, isotopic and zircon age constraints
N Koglin, D Kostopoulos, T Reischmann - Tectonophysics, 2009 - Elsevier
The Samothraki mafic suite in the north-eastern Aegean Sea, Greece, is an 'in situ'magmatic
complex comprising gabbros, sparse dykes and basalt flows and pillows cut by late dolerite …
complex comprising gabbros, sparse dykes and basalt flows and pillows cut by late dolerite …