1 Definition
1.1 Definition
Breccia is a rock consisting of angular fragments of stones which are cemented by finer calcareous material
Trachyandesite is an extrusive igneous rock.
1.2 History
1.2.1 Origin
1.2.2 Discoverer
1.3 Etymology
From Italian, literally gravel, Germanic origin and related to break
From French trachyandésite, trachy + andésite andesite, a lava intermediate in composition between trachyte and andesite
1.4 Class
Sedimentary Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
1.6 Other Categories
Coarse Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock