Lignite and Andesite Definition

Definition of Lignite and Andesite

The general Lignite and Andesite 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, Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. Along with definition of Lignite and Andesite, get to know about Properties of Lignite and Andesite. Get to know more information about Lignite and Andesite origin and discoverer, etymology and class.

History of Lignite and Andesite

The history of Lignite and Andesite 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 Andesite Origin and Discoverer

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

Etymology of Lignite and Andesite

Along with Lignite and Andesite definition, know more about the etymology of Lignite and Andesite. Etymology of Lignite and Andesite gives information about origin and formation of a particular rock. Know more about Formation of Lignite and Formation of Andesite. The etymology of Lignite is From French, Latin lignum wood + -ite1 while that of Andesite 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 Andesite belongs to Igneous Rocks. The sub-class, group and other categories of Lignite and Andesite 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 Andesite,

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