Definition
Marble is a non-foliated metamorphic rock which is composed of recrystallized carbonate which is formed when limestone is exposed to high temperatures and pressures over a long time
Oolite is a sedimentary rock formed from ooids, spherical grains which are composed of concentric layers of calcite
History
Origin
Egypt
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Discoverer
Unknown
William Smith
Etymology
From the Greek marmaros, shining stone and also from the English word marmoreal meaning marble-like
From oo- + -lite, after German Oolit. A rock consisting of fine grains of carbonate of lime
Class
Metamorphic Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
Family
Group
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Volcanic
Other Categories
Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock