downsag caldera

GLOSSARY OF VOLCANIC TERMS
A type of caldera characterized by inward sloping topography, inward tilted wall rocks, and an apparent absence of large displacement caldera bounding faults (Lipman, 1997). Downsag calderas are believed to result from small volume eruption from a deep-seated subvolcanic intrusion.

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

Look at other dictionaries:

  • Andean Volcanic Belt — Map of the volcanic arcs in the Andes, and subducted structures affecting volcanism The Andean Volcanic Belt is a major volcanic belt along the Andean cordillera in Colombia, Bolivia, Peru, Ecuador, Chile and Argentina. It formed as a resu …   Wikipedia

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