Schist and Lignite Definition

Definition of Schist and Lignite

The general Schist and Lignite definition can be stated as: Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation. 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 Schist and Lignite, get to know about Properties of Schist and Lignite. Get to know more information about Schist and Lignite origin and discoverer, etymology and class.

History of Schist and Lignite

The history of Schist 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.

Schist and Lignite Origin and Discoverer

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

Etymology of Schist and Lignite

Along with Schist and Lignite definition, know more about the etymology of Schist and Lignite. Etymology of Schist and Lignite gives information about origin and formation of a particular rock. Know more about Formation of Schist and Formation of Lignite. The etymology of Schist is From French schiste, Greek skhistos i.e. split while that of Lignite is From French schiste, Greek skhistos i.e. split. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Schist belongs to Metamorphic Rocks while Lignite belongs to Sedimentary Rocks. The sub-class, group and other categories of Schist and Lignite are listed below.

For Schist,

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