1 Definition
1.1 Definition
Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite
1.2 History
1.2.1 Origin
USA
1.2.2 Discoverer
Unknown
1.3 Etymology
Rhyo lite + dacite : a rock intermediate between rhyolite and dacite that is the extrusive equivalent of granodiorite
1.4 Class
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Volcanic
1.6 Other Categories
Fine Grained Rock, Opaque Rock