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417 words used in the labs.

Find a term from the labs, understand the process behind it, and see how it appears in the landscape. Each entry connects an explanation with a real observation and a model you can explore.

Stratovolcano

Also written: Composite cone

A commonly steep-sided volcano built from successive lava flows and fragmental deposits. Its magma composition and eruption style can vary; many form above subduction zones.

What to look for

Mount Fuji from Lake Kawaguchi, Japan. Repeated eruptions built a stratovolcano with layers of lava and fragmental deposits.

The broad conical slopes of Mount Fuji rise beyond Lake Kawaguchi in Japan.
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Explore further with USGS water glossary · USGS volcano glossary · NPS glacial geology · NASA Earth facts. Photograph acknowledgements are collected on the Image credits page.