Lignite and Anorthosite Definition

Definition of Lignite and Anorthosite

The general Lignite and Anorthosite definition can be stated as: Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat. On the other hand, Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. Along with definition of Lignite and Anorthosite, get to know about Properties of Lignite and Anorthosite. Get to know more information about Lignite and Anorthosite origin and discoverer, etymology and class.

History of Lignite and Anorthosite

The history of Lignite and Anorthosite 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.

Lignite and Anorthosite Origin and Discoverer

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

Etymology of Lignite and Anorthosite

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

For Lignite,

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

For Anorthosite,

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