Difference between revisions of "Basic rock"
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== Description == | == Description == | ||
| − | [http://cameo.mfa.org/materials/fullrecord.asp?name=Igneous Igneous] rocks with more than 45 % and less than 52 % of [http://cameo.mfa.org/materials/fullrecord.asp?name=silica silica]. Basic rocks, sometimes referred to as [http://cameo.mfa.org/materials/fullrecord.asp?name=mafic | + | [http://cameo.mfa.org/materials/fullrecord.asp?name=Igneous Igneous] rocks with more than 45 % and less than 52 % of [http://cameo.mfa.org/materials/fullrecord.asp?name=silica silica]. Basic rocks, sometimes referred to as [http://cameo.mfa.org/materials/fullrecord.asp?name=mafic%20minerals mafic], are generally dark in color with a density greater than 3. Common examples include [http://cameo.mfa.org/materials/fullrecord.asp?name=basalt basalt] and [http://cameo.mfa.org/materials/fullrecord.asp?name=gabbro gabbro]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| − | + | básica (Port.); mafic | |
== 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 rocks with more than 45 % and less than 52 % of silica. Basic rocks, sometimes referred to as mafic, are generally dark in color with a density greater than 3. Common examples include basalt and gabbro.
Synonyms and Related Terms
básica (Port.); mafic
Authority
- Submitted information Comment: José Delgado Rodrigues, LNEC, 2009.