Definition
Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar
Enderbite rock is an igneous rock which belongs to the Charnockite rock series
History
Origin
-
Enderby Land, Antarctica
Discoverer
Alexandre Brongniart and René Just Haüy
Unknown
Etymology
From Greek trakhus rough’ or trakhutēs roughness
From its occurrence in Enderby Land, Antarctica
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
Volcanic
Plutonic
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock