Definition
Migmatite is typically a granitic rock within a metamorphic host rock which is composed of two intermingled but distinguishable components
Travertine is a mineral consisting of layered calcium carbonate formed by deposition from spring waters
History
Origin
Southern Alps, France
Italy
Discoverer
Jakob Sederholm
Marcus Vitruvius Pollio
Etymology
From the Greek word migma which means a mixture
From Italian travertino a kind of building stone, from Tiburs, adjective from Tibur (Tivoli), in Italy
Class
Metamorphic Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
Family
Group
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Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock