Difference between revisions of "Volcanic"
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== Description == | == Description == | ||
| − | [http://cameo.mfa.org/materials/fullrecord.asp?name=Igneous Igneous] [http://cameo.mfa.org/materials/fullrecord.asp?name=extrusive | + | [http://cameo.mfa.org/materials/fullrecord.asp?name=Igneous Igneous] [http://cameo.mfa.org/materials/fullrecord.asp?name=extrusive%20rock extrusive rock] formed at the Earth's surface and having [http://cameo.mfa.org/materials/fullrecord.asp?name=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 == | ||
| − | + | vulcânica (Port.); volcanique (Fr.) | |
== Authority == | == Authority == | ||
| − | * | + | * Submitted information Comment: José Delgado Rodrigues, LNEC, 2009. |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Revision as of 06:49, 24 July 2013
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.)
Authority
- Submitted information Comment: José Delgado Rodrigues, LNEC, 2009.