Difference between revisions of "Leucocratic rock"
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== Description == | == Description == | ||
| − | [ | + | [[Igneous]] rock containing 65 to 95% of [[felsic minerals]], such as feldspathoids ([[nepheline]] and [[leucite]]), [[muscovite]], and [[corundum]]. Because felsic minerals lack iron and magnesium, they are generally light in color and consequently are referred to as leucocratic. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 12:30, 21 January 2014
Description
Igneous rock containing 65 to 95% of Felsic minerals, such as feldspathoids (Nepheline and Leucite), Muscovite, and Corundum. Because felsic minerals lack iron and magnesium, they are generally light in color and consequently are referred to as leucocratic.
Synonyms and Related Terms
rocha leucocrática (Port.)
Authority
- Submitted information Comment: José Delgado Rodrigues, LNEC, 2009
- Encyclopedia Britannica, http://www.britannica.com Comment: Leucocratic rock