Definition
Aplite is a fine-grained granite composed mainly of feldspar and quartz
Marl is an unconsolidated sedimentary rock consisting of clay and lime
History
Origin
Iran
-
Discoverer
Unknown
William Smith
Etymology
From German Aplit, from Greek haploos simple + -ite
From Old French marle, from Late Latin marglia
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Soft Rock
Family
Group
Plutonic
-
Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock