Definition
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
Marl is an unconsolidated sedimentary rock consisting of clay and lime
History
Origin
Western Australia, Minnesota
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Discoverer
Unknown
William Smith
Etymology
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
From Old French marle, from Late Latin marglia
Class
Sedimentary Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Soft Rock
Family
Group
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Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock