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13JOIDES Journal -Volume 29, No. 2 Leg Reports

Summary: 13JOIDES Journal - Volume 29, No. 2
Leg Reports
Sampling a complete section of oceanic crust
has been an objective of scientific ocean
drilling since its inception. Recovery of in situ
ocean crust is imperative to understanding
igneous accretion and the complex interplay
between magmatic, hydrothermal, and tectonic
processes, as well as a means for calibrating
remote geophysical observations, especially
seismic and magnetic data. Only by drilling
a complete section of upper crust formed in
a simple tectonic setting can the processes
operating at normal mid-ocean ridges be
understood. Leg 206 completed the initial
phase of a planned multi-leg project to drill
a complete in situ section of the upper ocean
crust that will eventually extend through the


Source: Acton, Gary - Department of Geology, University of California, Davis


Collections: Geosciences