Difference between revisions of "Leucocratic rock"
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rocha leucocrática (Port.) | rocha leucocrática (Port.) | ||
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* Submitted information Comment: José Delgado Rodrigues, LNEC, 2009 | * Submitted information Comment: José Delgado Rodrigues, LNEC, 2009 | ||
Revision as of 07:25, 1 May 2016
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.)
Sources Checked for Data in Record
- Submitted information Comment: José Delgado Rodrigues, LNEC, 2009
- Encyclopedia Britannica, http://www.britannica.com Comment: Leucocratic rock