Definition
Origin
Discoverer
Etymology
Class
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Other Categories
Migmatite is typically a granitic rock within a metamorphic host rock which is composed of two intermingled but distinguishable components
From the Greek word migma which means a mixture
Durable Rock, Medium Hardness Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture
From Tonale Pass, northern Italy, + -ite1
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock