A term used to describe a process or feature that was active or produced during volcanic activity.

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

Look at other dictionaries:

  • synvolcanic fault — GLOSSARY OF VOLCANIC TERMS A fault or geological structure present or produced at the time of volcanic activity …   Glossary of volcanic terms

  • 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

  • semiconformable alteration zone — GLOSSARY OF VOLCANIC TERMS A regional zone of hydrothermal alteration typically characterized by a sheet like or cloud like geometry. Semiconformable alteration zones are generally quite extensive in permeable rock units (e.g. tuffs, medium to… …   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

  • Flin Flon greenstone belt — The Flin Flon greenstone belt, also referred to as the Flin Flon Snow Lake greenstone belt, is a Precambrian greenstone belt located in the central area of Manitoba and east central Saskatchewan, Canada. It lies in the central portion of the… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.