Geochemistry of subduction zone serpentinites: A review
Over the last decades, numerous studies have emphasized the role of serpentinites in the
subduction zone geodynamics. Their presence and role in subduction environments are …
subduction zone geodynamics. Their presence and role in subduction environments are …
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 …
Chemical differentiation of the Earth: the relationship between mantle, continental crust, and oceanic crust
AW Hofmann - Earth and planetary science letters, 1988 - Elsevier
The average chemical compositions of the continental crust and the oceanic crust
(represented by MORB), normalized to primitive mantle values and plotted as functions of …
(represented by MORB), normalized to primitive mantle values and plotted as functions of …
Major and trace element composition of the depleted MORB mantle (DMM)
RK Workman, SR Hart - Earth and Planetary Science Letters, 2005 - Elsevier
We derive an estimate for the chemical composition of the depleted MORB mantle (DMM),
the source reservoir to mid-ocean ridge basalts (MORBs), which represents at least 30% the …
the source reservoir to mid-ocean ridge basalts (MORBs), which represents at least 30% the …
Characterization of spinel peridotites by olivine-spinel compositional relationships: review and interpretation
S Arai - Chemical geology, 1994 - Elsevier
A comprehensive review on igneous petrological characteristics of mantle-derived spinel
peridotites was made on the basis of their olivine-spinel compositional relationships. The …
peridotites was made on the basis of their olivine-spinel compositional relationships. The …
Global correlations of ocean ridge basalt chemistry with axial depth and crustal thickness
EM Klein, CH Langmuir - Journal of Geophysical Research …, 1987 - Wiley Online Library
Regional averages of the major element chemistry of ocean ridge basalts, corrected for low‐
pressure fractionation, correlate with regional averages of axial depth for the global system …
pressure fractionation, correlate with regional averages of axial depth for the global system …
Melting in the oceanic upper mantle: an ion microprobe study of diopsides in abyssal peridotites
KTM Johnson, HJB Dick… - Journal of Geophysical …, 1990 - Wiley Online Library
A systematic study of rare earth and other trace elements in discrete diopsides from residual
abyssal peridotites sampled from 5000 km of ocean ridge demonstrates that they are the …
abyssal peridotites sampled from 5000 km of ocean ridge demonstrates that they are the …
Petrological systematics of mid-ocean ridge basalts: constraints on melt generation beneath ocean ridges
Mid-ocean ridge basalts (MORB) are a consequence of pressure-release melting beneath
ocean ridges, and contain much information concerning melt formation, melt migration and …
ocean ridges, and contain much information concerning melt formation, melt migration and …
Bulk-rock major and trace element compositions of abyssal peridotites: implications for mantle melting, melt extraction and post-melting processes beneath mid-ocean …
Y Niu - Journal of Petrology, 2004 - academic.oup.com
This paper presents the first comprehensive major and trace element data for∼ 130 abyssal
peridotite samples from the Pacific and Indian ocean ridge–transform systems. The data …
peridotite samples from the Pacific and Indian ocean ridge–transform systems. The data …
[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 …