1 Definition
1.1 Definition
Lamprophyre is uncommon igneous rocks primarily occurring as dikes, lopoliths, laccoliths, stocks and small intrusions
Jasperoid is a rare, peculiar type of metasomatic alteration of rocks
1.2 History
1.2.1 Origin
1.2.2 Discoverer
1.3 Etymology
From Greek lampros bright and shining + porphureos purple
From silica, the main mineral content of Jasperoid
1.4 Class
Igneous Rocks
Sedimentary 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, Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock