1 Definition
1.1 Definition
Ignimbrite is a volcanic rock consisting mainly of pumice fragments, formed by the consolidation of material deposited by pyroclastic flows
Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight
1.2 History
1.2.1 Origin
New Zealand
Southern Alps, France
1.2.2 Discoverer
Patrick Marshall
Dolomieu
1.3 Etymology
From Latin ignis fire + imber, imbr- shower of rain, storm cloud + -ite
From French, from the name of Dolomieu (1750–1801), the French geologist who discovered the rock
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
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock