Exploring beneath the ocean floor.

The JR is a seagoing research vessel that drills core samples and collects measurements from under the ocean floor, giving scientists a glimpse into Earth’s development.

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Now At Sea

August 04, 2014 - September 29, 2014

What happens at the edges of large oceanic plates when subduction begins?

This will not only give insight into how subduction zones form, but also how the magma generated from this process eventually becomes the crust of an island arc and then a continent.

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The Chemistry of Cores

Petrologists identify minerals using tiny slices of the rock called thin sections; geochemists identify the chemical characteristics of these rocks.  Together this information can build a more complete picture of the core.


From rainclouds to silver linings

We’ve been hanging by a thread for some time now.