- GLOSSARY OF VOLCANIC TERMS
A fault or geological structure present or produced at the time of volcanic activity.
Glossary of volcanic terms. - University of Wisconsin Oshkosh. G. J. Hudak. 2001.
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pipe-like alteration zone — GLOSSARY OF VOLCANIC TERMS A type of narrow, cylindrical or inverted cone shaped, discordant hydrothermal alteration zone that is typically confined to a narrow region in close proximity to a synvolcanic structure (e. g. synvolcanic fault).… … Glossary of volcanic terms
Northern Cordilleran Volcanic Province — NCVP … Wikipedia
Superior craton — in the west. The western margin extends from northern Minnesota through eastern Manitoba to northwestern Ontario.The formation of the Superior craton is best explained within the context of 2.72 2.68 Ga accretion of small continental plates and… … Wikipedia
New Senator Caldera — Map of the Blake River Megacaldera Complex. New Senator Caldera is highlighted cyan The New Senator Caldera is a large striking Archean caldera complex within the heart of the Blake River Megacaldera Complex, Quebec, Canada. It has a diameter of… … Wikipedia