Shale and Basalt Definition

Definition of Shale and Basalt

The general Shale and Basalt definition can be stated as: Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles. On the other hand, Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth. Along with definition of Shale and Basalt, get to know about Properties of Shale and Basalt. Get to know more information about Shale and Basalt origin and discoverer, etymology and class.

History of Shale and Basalt

The history of Shale and Basalt 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.

Shale and Basalt Origin and Discoverer

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

Etymology of Shale and Basalt

Along with Shale and Basalt definition, know more about the etymology of Shale and Basalt. Etymology of Shale and Basalt gives information about origin and formation of a particular rock. Know more about Formation of Shale and Formation of Basalt. The etymology of Shale is From German Schalstein laminated limestone, and Schalgebirge layer of stone in stratified rock. From Old English scealu in its base sense of- thing that divides or separate, while that of Basalt is From German Schalstein laminated limestone, and Schalgebirge layer of stone in stratified rock. From Old English scealu in its base sense of- thing that divides or separate,. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Shale belongs to Sedimentary Rocks while Basalt belongs to Igneous Rocks. The sub-class, group and other categories of Shale and Basalt are listed below.

For Shale,

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

For Basalt,

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