Definition
Breccia is a rock consisting of angular fragments of stones which are cemented by finer calcareous material
Blueschist is a metamorphic rock which is generally blue in color and is formed under conditions of high pressure and low temperature
History
Origin
England
USA
Discoverer
Unknown
Edgar Bailey
Etymology
From Italian, literally gravel, Germanic origin and related to break
From French schiste, Greek skhistos i.e. split
Class
Sedimentary Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
-
Other Categories
Coarse Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Medium Grained Rock, Opaque Rock