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
Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar
History
Origin
Mount Kenya
Tamil Nadu, India
Discoverer
J. W. Gregory
T. H. Holland
Etymology
From the mountain ranges- Mount Kenya and is named by J. W. Gregory in 1900
From Job Charnock, an administtrator of East India Company
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
-
Plutonic
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock