Basalt and Lignite Definition

Definition of Basalt and Lignite

The general Basalt and Lignite 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, Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat. Along with definition of Basalt and Lignite, get to know about Properties of Basalt and Lignite. Get to know more information about Basalt and Lignite origin and discoverer, etymology and class.

History of Basalt and Lignite

The history of Basalt and Lignite 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 Lignite Origin and Discoverer

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

Etymology of Basalt and Lignite

Along with Basalt and Lignite definition, know more about the etymology of Basalt and Lignite. Etymology of Basalt and Lignite gives information about origin and formation of a particular rock. Know more about Formation of Basalt and Formation of Lignite. 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 Lignite 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 Lignite belongs to Sedimentary Rocks. The sub-class, group and other categories of Basalt and Lignite are listed below.

For Basalt,

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

For Lignite,

• Sub-class: Durable Rock and Soft Rock
• Group:
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock