Difference between revisions of "Essential minerals"
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== Description == | == Description == | ||
| − | Those minerals existing in a rock that are used for its classification in main petrographic families or classes; see [ | + | Those minerals existing in a rock that are used for its classification in main petrographic families or classes; see [[quartz]], [[alkali feldspar]], [[plagioclase]], [[feldspathoid]]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 09:52, 15 January 2014
Description
Those minerals existing in a rock that are used for its classification in main petrographic families or classes; see Quartz, Alkali feldspar, Plagioclase, Feldspathoid.
Synonyms and Related Terms
main minerals; minerais essenciais (Port.)
Authority
- Submitted information Comment: José Delgado Rodrigues, LNEC, 2009.