Granite and Slate Definition

Definition of Granite and Slate

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

History of Granite and Slate

The history of Granite and Slate 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.

Granite and Slate Origin and Discoverer

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

Etymology of Granite and Slate

Along with Granite and Slate definition, know more about the etymology of Granite and Slate. Etymology of Granite and Slate gives information about origin and formation of a particular rock. Know more about Formation of Granite and Formation of Slate. The etymology of Granite is From Italian granito, which means grained rock, from grano grain, and from Latin granum while that of Slate is From Italian granito, which means grained rock, from grano grain, and from Latin granum. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Granite belongs to Igneous Rocks while Slate belongs to Metamorphic Rocks. The sub-class, group and other categories of Granite and Slate are listed below.

For Granite,

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

For Slate,

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