1 Definition
1.1 Definition
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
Ignimbrite is a volcanic rock consisting mainly of pumice fragments, formed by the consolidation of material deposited by pyroclastic flows
1.2 History
1.2.1 Origin
Western Australia, Minnesota
New Zealand
1.2.2 Discoverer
1.3 Etymology
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
From Latin ignis fire + imber, imbr- shower of rain, storm cloud + -ite
1.4 Class
Sedimentary Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock