Foidolite and Rhyolite Definition

Definition of Foidolite and Rhyolite

The general Foidolite and Rhyolite definition can be stated as: Foidolite is a rare type of coarse-grained intrusive igneous rock with a feldspathoid mineral content greater than 60%. On the other hand, Rhyolite is a fine-grained igneous rock which is rich in silica. Along with definition of Foidolite and Rhyolite, get to know about Properties of Foidolite and Rhyolite. Get to know more information about Foidolite and Rhyolite origin and discoverer, etymology and class.

History of Foidolite and Rhyolite

The history of Foidolite and Rhyolite gives information about where the rock was found and who was its discoverer. Almost each and every aspect of Earth's history is recorded in rocks be it the volcanoes which were erupted or the plants, animals and organisms which are now extinct, as rocks are present from millions of years.

Foidolite and Rhyolite Origin and Discoverer

Foidolite and Rhyolite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Foidolite and Rhyolite. In this section, you will know about Foidolite and Rhyolite Origin and Discoverer. Origin of Foidolite is whereas Origin of Rhyolite is North America. It is interesting to know the name of Foidolite and Rhyolite discoverer. The Discoverer of Foidolite is Unknown and the discoverer of Rhyolite is Ferdinand von Richthofen.

Etymology of Foidolite and Rhyolite

Along with Foidolite and Rhyolite definition, know more about the etymology of Foidolite and Rhyolite. Etymology of Foidolite and Rhyolite gives information about origin and formation of a particular rock. Know more about Formation of Foidolite and Formation of Rhyolite. The etymology of Foidolite is From the mineral feldspathoid which is the main content of rock while that of Rhyolite is From the mineral feldspathoid which is the main content of rock. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Foidolite and Rhyolite belong to Igneous Rocks. The sub-class, group and other categories of Foidolite and Rhyolite are listed below.

For Foidolite,

• Sub-class: Durable Rock and Soft Rock
• Group: Plutonic
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock

For Rhyolite,

• Sub-class: Durable Rock and Hard Rock
• Group: Volcanic
• Other Categories: Coarse grained rock and Opaque rock