1 Definition
1.1 Definition
Pyrolite is an igneous rock consisting of about three parts of peridotite and one part of basalt
Lamprophyre is uncommon igneous rocks primarily occurring as dikes, lopoliths, laccoliths, stocks and small intrusions
1.2 History
1.2.1 Origin
1.2.2 Discoverer
1.3 Etymology
From the chemical and mineralogical composition of the upper mantle of the Earth
From Greek lampros bright and shining + porphureos purple
1.4 Class
Igneous 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
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Opaque Rock