Definition
Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite
Breccia is a rock consisting of angular fragments of stones which are cemented by finer calcareous material
History
Origin
Romania and Moldova, Europe
England
Discoverer
Unknown
Unknown
Etymology
From Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains where the rock was first described
From Italian, literally gravel, Germanic origin and related to break
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Hard Rock
Family
Group
Volcanic
-
Other Categories
Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Medium Grained Rock, Opaque Rock