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
History
Origin
New Zealand
Southern Alps, France
Discoverer
Patrick Marshall
Dolomieu
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
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
Family
Group
Volcanic
-
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock