Marble and Lignite Definition

Definition of Marble and Lignite

The general Marble and Lignite definition can be stated as: Marble is a non-foliated metamorphic rock which is composed of recrystallized carbonate which is formed when limestone is exposed to high temperatures and pressures over a long time. 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 Marble and Lignite, get to know about Properties of Marble and Lignite. Get to know more information about Marble and Lignite origin and discoverer, etymology and class.

History of Marble and Lignite

The history of Marble 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.

Marble and Lignite Origin and Discoverer

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

Etymology of Marble and Lignite

Along with Marble and Lignite definition, know more about the etymology of Marble and Lignite. Etymology of Marble and Lignite gives information about origin and formation of a particular rock. Know more about Formation of Marble and Formation of Lignite. The etymology of Marble is From the Greek marmaros, shining stone and also from the English word marmoreal meaning marble-like while that of Lignite is From the Greek marmaros, shining stone and also from the English word marmoreal meaning marble-like. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Marble belongs to Metamorphic Rocks while Lignite belongs to Sedimentary Rocks. The sub-class, group and other categories of Marble and Lignite are listed below.

For Marble,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group:
• Other Categories: 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