Lava Dome
2 definitions

Lava Dome

Lava that piles up over a volcanic vent, usually in a rounded mass

Lava Dome

A rounded or irregular mound, hill or small mountain composed of lava congealed over a volcanic vent on the flanks or within a crater or caldera.  Typically composed of silica-rich volcanic rocks (e.g., rhyolite, dacite) with admixtures of obsidian, agglomerate, volcanic breccia, etc.  The lava may be uniform or varied in color and texture; also called a resurgent dome.

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Lava Dome has been defined 2 different ways in documents like Glossary, Glossary.

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