scoria cone

GLOSSARY OF VOLCANIC TERMS
Small volcanic landforms formed from focused (single-vent) subaerial strombolian eruptions of basalt or basaltic-andesite magma. These features have an inverted cone-shaped profile and are generally circular in plan, although elongate scoria cones can be formed from multiple-vent volcanic eruptions (Cas and Wright, 1987, p. 371-372).

Glossary of volcanic terms. - University of Wisconsin Oshkosh. . 2001.

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