Andesite and Troctolite Definition

Definition of Andesite and Troctolite

The general Andesite and Troctolite 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, Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro. Along with definition of Andesite and Troctolite, get to know about Properties of Andesite and Troctolite. Get to know more information about Andesite and Troctolite origin and discoverer, etymology and class.

History of Andesite and Troctolite

The history of Andesite and Troctolite 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 Troctolite Origin and Discoverer

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

Etymology of Andesite and Troctolite

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

For Andesite,

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

For Troctolite,

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