Granulite and Lignite Definition

Definition of Granulite and Lignite

The general Granulite and Lignite definition can be stated as: Granulite is fine to medium grained metamorphic rock with a granular of polygonal crystals.. 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 Granulite and Lignite, get to know about Properties of Granulite and Lignite. Get to know more information about Granulite and Lignite origin and discoverer, etymology and class.

History of Granulite and Lignite

The history of Granulite 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.

Granulite and Lignite Origin and Discoverer

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

Etymology of Granulite and Lignite

Along with Granulite and Lignite definition, know more about the etymology of Granulite and Lignite. Etymology of Granulite and Lignite gives information about origin and formation of a particular rock. Know more about Formation of Granulite and Formation of Lignite. The etymology of Granulite is From Latin granulum, a little grain or fine grained while that of Lignite is From Latin granulum, a little grain or fine grained. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Granulite belongs to Metamorphic Rocks while Lignite belongs to Sedimentary Rocks. The sub-class, group and other categories of Granulite and Lignite are listed below.

For Granulite,

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

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