Difference between revisions of "Volcanic"
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== Description == | == Description == | ||
| − | [ | + | [[Igneous|Igneous]] [[extrusive%20rock|extrusive rock]] formed at the Earth's surface and having [[aphanitic|aphanitic structure]]. Volcanic rock is emitted by a volcano, which is an opening, or rupture, in a planet's surface or crust that allows hot magma, ash and gases to escape from below the surface. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 12:11, 10 May 2016
Description
Igneous Extrusive rock formed at the Earth's surface and having aphanitic structure. Volcanic rock is emitted by a volcano, which is an opening, or rupture, in a planet's surface or crust that allows hot magma, ash and gases to escape from below the surface.
Synonyms and Related Terms
vulcânica (Port.); volcanique (Fr.)
Sources Checked for Data in Record
- Submitted information Comment: José Delgado Rodrigues, LNEC, 2009.