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| Introduction |
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Introduction
The Earth's surface comprises a number of tectonic
plates that are in continuous motion relative to one another. The
plates diverge or are pulled apart at spreading centers allowing new
material to well up from the mantle
and to form oceanic crust. Plates come together
or converge at subduction zones which mark the locations where one
plate plunges beneath another, returning
crustal material to the mantle. The continuous movement of the plates
therefore acts to recycle material between the Earth's crust and underlying
mantle. This expedition is about volatile recycling along the Central
American subduction zone and involves a number of scientists using
different techniques in a collaborative approach. Read on!
Central
America>>
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Arenal
Turrialba
Irazu
Poas
Rincon
de la Vieja
