Definition
Origin
Discoverer
Etymology
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Other Categories
Breccia is a rock consisting of angular fragments of stones which are cemented by finer calcareous material
From Italian, literally gravel, Germanic origin and related to break
Coarse Grained Rock, Medium Grained Rock, Opaque Rock
Diorite is a grey to dark-grey intermediate intrusive igneous rock composed principally of plagioclase feldspar,biotite, hornblende, and pyroxene
From early 19th century coined in French, formed irregularly from Greek diorizein distinguish
Coarse Grained Rock, Medium Grained Rock, Opaque Rock