<?xml version="1.0" encoding="utf-8"?>
<geology>
    <volcano name="Mount St.Helens">
        <location>Washington State, USA</location>
        <height value="9677" unit="ft" />
        <type>stratovolcano</type>
        <eruption>1857</eruption>
        <eruption>1980</eruption>
        <magma>basalt, andesite and dacite</magma>
    </volcano>
</geology>
