Dunite and Lignite Definition

Definition of Dunite and Lignite

The general Dunite and Lignite definition can be stated as: Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine. 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 Dunite and Lignite, get to know about Properties of Dunite and Lignite. Get to know more information about Dunite and Lignite origin and discoverer, etymology and class.

History of Dunite and Lignite

The history of Dunite 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.

Dunite and Lignite Origin and Discoverer

Dunite and Lignite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Dunite and Lignite. In this section, you will know about Dunite and Lignite Origin and Discoverer. Origin of Dunite is New Zealand whereas Origin of Lignite is France. It is interesting to know the name of Dunite and Lignite discoverer. The Discoverer of Dunite is Ferdinand von Hochstetter and the discoverer of Lignite is Unknown.

Etymology of Dunite and Lignite

Along with Dunite and Lignite definition, know more about the etymology of Dunite and Lignite. Etymology of Dunite and Lignite gives information about origin and formation of a particular rock. Know more about Formation of Dunite and Formation of Lignite. The etymology of Dunite is From the name of Dun Mountain, New Zealand, + -ite1 while that of Lignite is From the name of Dun Mountain, New Zealand, + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Dunite belongs to Igneous Rocks while Lignite belongs to Sedimentary Rocks. The sub-class, group and other categories of Dunite and Lignite are listed below.

For Dunite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Plutonic
• Other Categories: Coarse 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