Peridotite and Lignite Definition

Definition of Peridotite and Lignite

The general Peridotite and Lignite definition can be stated as: Peridotite is a dense, coarse-grained plutonic is the main constituent of the earth's mantle. 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 Peridotite and Lignite, get to know about Properties of Peridotite and Lignite. Get to know more information about Peridotite and Lignite origin and discoverer, etymology and class.

History of Peridotite and Lignite

The history of Peridotite 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.

Peridotite and Lignite Origin and Discoverer

Peridotite and Lignite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Peridotite and Lignite. In this section, you will know about Peridotite and Lignite Origin and Discoverer. Origin of Peridotite is Pike County, U.S whereas Origin of Lignite is France. It is interesting to know the name of Peridotite and Lignite discoverer. The discoverer of Peridotite and Lignite are Unknown.

Etymology of Peridotite and Lignite

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

For Peridotite,

• 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