Lignite and Chert Definition

Definition of Lignite and Chert

The general Lignite and Chert 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, Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture. Along with definition of Lignite and Chert, get to know about Properties of Lignite and Chert. Get to know more information about Lignite and Chert origin and discoverer, etymology and class.

History of Lignite and Chert

The history of Lignite and Chert 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 Chert Origin and Discoverer

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

Etymology of Lignite and Chert

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

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