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
Kenyte is a variety of porphyritic phonolite or trachyte rock with rhomb shaped phenocrysts of anorthoclase with variable olivine and augite in a glassy matrix
1.2 History
1.2.1 Origin
1.2.2 Discoverer
Patrick Marshall
J. W. Gregory
1.3 Etymology
From Latin ignis fire + imber, imbr- shower of rain, storm cloud + -ite
From the mountain ranges- Mount Kenya and is named by J. W. Gregory in 1900
1.4 Class
Igneous Rocks
Igneous 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
Fine Grained Rock, Opaque Rock