Slate and Granite Definition

Definition of Slate and Granite

The general Slate and Granite 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, Granite is a very hard, granular, crystalline igneous rock which consists mainly of quartz, mica, and feldspar and is often used as building stone. Along with definition of Slate and Granite, get to know about Properties of Slate and Granite. Get to know more information about Slate and Granite origin and discoverer, etymology and class.

History of Slate and Granite

The history of Slate and Granite 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 Granite Origin and Discoverer

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

Etymology of Slate and Granite

Along with Slate and Granite definition, know more about the etymology of Slate and Granite. Etymology of Slate and Granite gives information about origin and formation of a particular rock. Know more about Formation of Slate and Formation of Granite. The etymology of Slate is From Old French esclate, from esclat (French éclat) while that of Granite 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 Granite belongs to Igneous Rocks. The sub-class, group and other categories of Slate and Granite 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 Granite,

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