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Andesite Definition

Types of Hard Rocks

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Andesite Definition

Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava

History of Andesite

North America


From Andes mountains, where it is found in abundance

Igneous Rocks

Durable Rock, Hard Rock

Andesite Family


Other Categories
Fine Grained Rock, Opaque Rock

Define Andesite

Andesite is one of the important type of rocks. If we have to define Andesite in general, Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. Andesite comes under Igneous Rocks. All Igneous Rocks have similar properties and formation process. Along with Andesite Definition, know more about the History of Andesite, Etymology of Andesite in next sections.

History of Andesite

In the above section, we have gone through the Andesite definition. Now let's study about the history of Andesite. Our mother Earth is more than millions of years old. Almost whole surface of earth is made up of rocks. These rocks are covered by a layer of soil of considerable thickness. There are many interesting Andesite Types and Facts which give information about the Earth's crust.

Andesite Origin and Discoverer

It is always interesting to know about Andesite origin and discoverer. Andesite origin lies way back in the history. According to the geological information, the location where Andesite was first found is North America. Later, Andesite was found in many parts of the world. You can know the name of Andesite discoverer here. Discoverers of rocks are generally geologists who have deep knowledge about rocks. The discoverer of Andesite rock is Unknown.

Etymology of Andesite

Know more about the etymology and class of Andesite. Etymology of Andesite gives the information about the history of Andesite, its origin and how it is formed. In some cases, the etymology depends on Formation of Andesite. The Andesite etymology is From Andes mountains, where it is found in abundance.

Class of Andesite

After going through the etymology of Andesite and Andesite definition, let us now discuss about the class of Andesite. Class of Andesite is Igneous Rocks. All igneous rocks are further classified as Plutonic Rocks and Extrusive Rocks. Andesite Class gives the category of rocks in which Andesite falls. Other than Igneous Rocks, Andesite is also categorized into:

  • Durable Rock and Hard Rock
  • Fine grained rock and Opaque rock