Definition
Ignimbrite is a volcanic rock consisting mainly of pumice fragments, formed by the consolidation of material deposited by pyroclastic flows
An iron rich extrusive rock found as a member of the alkali basalt magma series
History
Origin
New Zealand
Isle of Mull, Scotland
Discoverer
Patrick Marshall
Ben More
Etymology
From Latin ignis fire + imber, imbr- shower of rain, storm cloud + -ite
From the name of discoverer, Ben More
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
Family
Group
Volcanic
Volcanic
Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock