Andesite and Siltstone Definition

Definition of Andesite and Siltstone

The general Andesite and Siltstone 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, Siltstone can be defined as a fine-grained sedimentary rock which mainly consists of consolidated silt. Along with definition of Andesite and Siltstone, get to know about Properties of Andesite and Siltstone. Get to know more information about Andesite and Siltstone origin and discoverer, etymology and class.

History of Andesite and Siltstone

The history of Andesite and Siltstone 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 Siltstone Origin and Discoverer

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

Etymology of Andesite and Siltstone

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

For Andesite,

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

For Siltstone,

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Fine grained rock and Opaque rock