Tethyan ophiolites show an apparent poorly organized association of ultramafic and mafic
rocks. By contrast to the complete mantle-crustal sections of Semail-type ophiolite sheets …

The Earth's mantle constitutes over 80% of the planet's volume, and is therefore a key
reservoir in global geochemical cycling. The magnitudes and length scales of …

Mid-ocean ridge basalts (MORB) provide fundamental information about the composition
and melting processes in the Earth's upper mantle. To use MORB to further our …

The texture and composition of igneous minerals are unique recorders of the temperature,
pressure, and composition of magma reservoirs, conduits, and lava flows. Decoding this …

Kane Megamullion, an oceanic core complex near the Mid-Atlantic Ridge (MAR) abutting
the Kane Transform, exposes nearly the full plutonic foundation of the MARK paleo-ridge …

This paper presents the first detailed geologic map of in situ lower ocean crust; the product
of six surveys of Atlantis Bank on the SW Indian Ridge. This combined with major and trace …

The architecture of lower oceanic crust at slow-and ultraslow-spreading ridge is diverse, yet
the mechanisms that produce this diversity are not well understood. Particularly, the 660 …

Oceanic core complexes expose lower crustal and upper mantle rocks on the seafloor by
tectonic unroofing in the footwalls of large-slip detachment faults. The common occurrence …

Abstract The Doldrums Megatransform System (~ 7–8° N, Mid-Atlantic Ridge) shows a
complex architecture including four intra-transform ridge segments bounded by five active …

In order to understand late magmatic processes that occur in the deep oceanic crust, we
performed a phase-equilibria study in a representative late-stage system at a pressure of …