<?xml version="1.0" encoding='utf-8'?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN" "http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
<card id="card1" title="Volcanism - Page 27 - Wikipedia">
<p>
<a accesskey="1" href="page.php?w=volcanism&amp;p=26">1.Previous</a><br />
<a accesskey="3" href="page.php?w=volcanism&amp;p=28">3.Next</a>
</p>
<p>mass of <a href="page.php?w=TNT">TNT</a>.</p>

<p><big>Causes of explosive activity</big></p>
<p><big>Exsolution of volatiles</big></p>
<p>Volcanic eruptions on Earth have been consistently observed to progress from erupting gas rich material to gas depleted material, although an eruption may alternate between erupting gas rich to gas depleted material and vice versa multiple times. This can be explained by the enrichment of magma at the top of a dike by gas which is released when the dike breaches the surface, followed by magma from lower down than did not get</p><p>
<a accesskey="1" href="page.php?w=volcanism&amp;p=26">1.Previous</a><br />
<a accesskey="3" href="page.php?w=volcanism&amp;p=28">3.Next</a>
</p>

<do type="prev" label="Search">
        <go href="search.wml"/>
</do>

</card>
</wml>
