Andesite and Felsite Definition

Definition of Andesite and Felsite

The general Andesite and Felsite definition can be stated as: Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. On the other hand, 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. Along with definition of Andesite and Felsite, get to know about Properties of Andesite and Felsite. Get to know more information about Andesite and Felsite origin and discoverer, etymology and class.

History of Andesite and Felsite

The history of Andesite and Felsite 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.

Andesite and Felsite Origin and Discoverer

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

Etymology of Andesite and Felsite

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

For Andesite,

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

For Felsite,

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