Basalt and Oil shale Definition

Definition of Basalt and Oil shale

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

History of Basalt and Oil shale

The history of Basalt and Oil shale 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.

Basalt and Oil shale Origin and Discoverer

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

Etymology of Basalt and Oil shale

Along with Basalt and Oil shale definition, know more about the etymology of Basalt and Oil shale. Etymology of Basalt and Oil shale gives information about origin and formation of a particular rock. Know more about Formation of Basalt and Formation of Oil shale. The etymology of Basalt is From Late Latin Basaltes (variant of basanites ), very hard stone, which was imported from Ancient Greek Basanites while that of Oil shale is From Late Latin Basaltes (variant of basanites ), very hard stone, which was imported from Ancient Greek Basanites. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Basalt belongs to Igneous Rocks while Oil shale belongs to Sedimentary Rocks. The sub-class, group and other categories of Basalt and Oil shale are listed below.

For Basalt,

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

For Oil shale,

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