Andesite and Phyllite Definition

Definition of Andesite and Phyllite

The general Andesite and Phyllite 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, Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks. Along with definition of Andesite and Phyllite, get to know about Properties of Andesite and Phyllite. Get to know more information about Andesite and Phyllite origin and discoverer, etymology and class.

History of Andesite and Phyllite

The history of Andesite and Phyllite 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 Phyllite Origin and Discoverer

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

Etymology of Andesite and Phyllite

Along with Andesite and Phyllite definition, know more about the etymology of Andesite and Phyllite. Etymology of Andesite and Phyllite gives information about origin and formation of a particular rock. Know more about Formation of Andesite and Formation of Phyllite. The etymology of Andesite is From Andes mountains, where it is found in abundance while that of Phyllite 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 belongs to Igneous Rocks while Phyllite belongs to Metamorphic Rocks. The sub-class, group and other categories of Andesite and Phyllite are listed below.

For Andesite,

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

For Phyllite,

• Sub-class: Durable Rock and Soft Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock