0 the part of the outer rocky layer of the earth that is under the oceans and is thinner than the layer under the land --
The oceanic crust as a bioreactor.
The evidence of hornblende crystallization implies that the ultramafites and associated gabbros were emplaced at depth in a crust considerably thicker than typical oceanic crust as represented by ophiolites.
Partial melting of subducting oceanic crust.
These pressures are equivalent to 57-46 km depth beneath an oceanic crust-mantle hanging-wall, a much greater thickness than can be accounted for by the thickness of the ophiolite.
Bioalteration of basaltic glass in the oceanic crust.
The students, whilst acknowledging excellent texts in igneous petrology or igneous geochemistry, felt the lack of a multi-disciplinary text specifically covering the generation and evolution of the oceanic crust.
This book contains a wealth of new data and new thinking on the whole problem of ophiolites and oceanic crust and upper mantle.
The majority of the oceanic crust formed today is created at intermediate- to fast-spreading ocean ridges.
