Claystone and Lignite Definition

Definition of Claystone and Lignite

The general Claystone and Lignite definition can be stated as: Claystone is a fine-grained, dark gray to pink sedimentary rock which mainly consists of compacted and hardened clay. 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 Claystone and Lignite, get to know about Properties of Claystone and Lignite. Get to know more information about Claystone and Lignite origin and discoverer, etymology and class.

History of Claystone and Lignite

The history of Claystone 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.

Claystone and Lignite Origin and Discoverer

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

Etymology of Claystone and Lignite

Along with Claystone and Lignite definition, know more about the etymology of Claystone and Lignite. Etymology of Claystone and Lignite gives information about origin and formation of a particular rock. Know more about Formation of Claystone and Formation of Lignite. The etymology of Claystone is From English clay and stone as the rock contains more amount of clay while that of Lignite is From English clay and stone as the rock contains more amount of clay. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Claystone and Lignite belong to Sedimentary Rocks. The sub-class, group and other categories of Claystone and Lignite are listed below.

For Claystone,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• Other Categories: Fine 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