Definition
Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs
Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt
History
Origin
Adak, Aleutian Islands
Germany
Discoverer
Defant and Drummond
Christian Leopold von Buch
Etymology
From Adak, Aleutian Islands
From Latin glaber bare, smooth, bald
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, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock