Lignite and Amphibolite Definition

Definition of Lignite and Amphibolite

The general Lignite and Amphibolite 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, Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase. Along with definition of Lignite and Amphibolite, get to know about Properties of Lignite and Amphibolite. Get to know more information about Lignite and Amphibolite origin and discoverer, etymology and class.

History of Lignite and Amphibolite

The history of Lignite and Amphibolite 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 Amphibolite Origin and Discoverer

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

Etymology of Lignite and Amphibolite

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

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