Andesite and Dacite Definition

Definition of Andesite and Dacite

The general Andesite and Dacite 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, Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite. Along with definition of Andesite and Dacite, get to know about Properties of Andesite and Dacite. Get to know more information about Andesite and Dacite origin and discoverer, etymology and class.

History of Andesite and Dacite

The history of Andesite and Dacite 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 Dacite Origin and Discoverer

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

Etymology of Andesite and Dacite

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

For Andesite,

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

For Dacite,

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