Definition
Marl is an unconsolidated sedimentary rock consisting of clay and lime
Breccia is a rock consisting of angular fragments of stones which are cemented by finer calcareous material
History
Origin
-
England
Discoverer
William Smith
Unknown
Etymology
From Old French marle, from Late Latin marglia
From Italian, literally gravel, Germanic origin and related to break
Class
Sedimentary Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Hard Rock
Family
Group
-
-
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Medium Grained Rock, Opaque Rock