1 Definition
1.1 Definition
Oolite is a sedimentary rock formed from ooids, spherical grains which are composed of concentric layers of calcite
Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished
1.2 History
1.2.1 Origin
1.2.2 Discoverer
1.3 Etymology
From oo- + -lite, after German Oolit. A rock consisting of fine grains of carbonate of lime
From the variety of Lamprophyre Greek lampros bright and shining + porphureos purple
1.4 Class
Sedimentary Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Opaque Rock