Volcanic pipe
volcanic pipe
A vertical conduit below a volcano through which magma has passed and that has become filled with solidified magma, volcanic breccia, and fragments of older rock.
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noun 1. tuff2 .
- Volcanism
noun, Geology. 1. the phenomena connected with volcanoes and volcanic activity. noun 1. those processes collectively that result in the formation of volcanoes and their products
- Volcanize
verb (used with object), volcanized, volcanizing. 1. to affect or alter by volcanic heat or action. verb 1. (transitive) to subject to the effects of or change by volcanic heat
- Volcano
noun, plural volcanoes, volcanos. 1. a vent in the earth’s crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals. 2. a mountain or hill, usually having a cuplike crater at the summit, formed around such a vent from the ash and lava expelled through it. noun (pl) -noes, -nos […]
- Volcanoclastic
[vol-kan-i-klas-tik] /vɒlˌkæn ɪˈklæs tɪk/ adjective, Geology. 1. pyroclastic.