Definition
Kenyte is a variety of porphyritic phonolite or trachyte rock with rhomb shaped phenocrysts of anorthoclase with variable olivine and augite in a glassy matrix
Diabase is a fine-grained igneous rock which is composed mostly of pyroxene and feldspar
History
Origin
Mount Kenya
Germany
Discoverer
J. W. Gregory
Christian Leopold von Buch
Etymology
From the mountain ranges- Mount Kenya and is named by J. W. Gregory in 1900
From Greek di + base
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
-
Volcanic
Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Medium Grained Rock, Opaque Rock