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
Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt
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 Latin glaber bare, smooth, bald
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