Felsite and Foidolite Definition

Definition of Felsite and Foidolite

The general Felsite and Foidolite definition can be stated as: Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition. On the other hand, Foidolite is a rare type of coarse-grained intrusive igneous rock with a feldspathoid mineral content greater than 60%. Along with definition of Felsite and Foidolite, get to know about Properties of Felsite and Foidolite. Get to know more information about Felsite and Foidolite origin and discoverer, etymology and class.

History of Felsite and Foidolite

The history of Felsite and Foidolite 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.

Felsite and Foidolite Origin and Discoverer

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

Etymology of Felsite and Foidolite

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

For Felsite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Volcanic
• Other Categories: Fine grained rock and Opaque rock

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