Definition
Laterite rock is a type of Sedimentary rock which is rich in iron and aluminium, formed in hot and wet tropical areas
Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock
History
Origin
India
Germany
Discoverer
Francis Buchanan-Hamilton
Van Tooren
Etymology
From Latin later brick, tile + -ite1
From Greek tephra, ashes from Indo-European base, to burn
Class
Sedimentary Rocks
Igneous Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Hard Rock
Family
Group
-
Volcanic
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock