leucocratic
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English[edit]
Alternative forms[edit]
Etymology[edit]
Adjective[edit]
leucocratic (comparative more leucocratic, superlative most leucocratic)
- (geology, of igneous rock) Light in color, containing at least 90% felsic minerals.
- 2013, H.G.F. Winkler, Petrogenesis of Metamorphic Rocks, page 325:
- Occasionally the opinion is advanced that the formation of the leucocratic, granitic-granodioritic portions of the heterogeneous in-situ migmatites is due to a metasomatic process, i.e., to the addition of “emanations” from depth.