Slate and Andesite Definition

Definition of Slate and Andesite

The general Slate and Andesite definition can be stated as: Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. On the other hand, Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. Along with definition of Slate and Andesite, get to know about Properties of Slate and Andesite. Get to know more information about Slate and Andesite origin and discoverer, etymology and class.

History of Slate and Andesite

The history of Slate and Andesite 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.

Slate and Andesite Origin and Discoverer

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

Etymology of Slate and Andesite

Along with Slate and Andesite definition, know more about the etymology of Slate and Andesite. Etymology of Slate and Andesite gives information about origin and formation of a particular rock. Know more about Formation of Slate and Formation of Andesite. The etymology of Slate is From Old French esclate, from esclat (French éclat) while that of Andesite is From Old French esclate, from esclat (French éclat). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Slate belongs to Metamorphic Rocks while Andesite belongs to Igneous Rocks. The sub-class, group and other categories of Slate and Andesite are listed below.

For Slate,

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

For Andesite,

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