Lignite and Dacite Definition

Definition of Lignite and Dacite

The general Lignite and Dacite 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, Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite. Along with definition of Lignite and Dacite, get to know about Properties of Lignite and Dacite. Get to know more information about Lignite and Dacite origin and discoverer, etymology and class.

History of Lignite and Dacite

The history of Lignite and Dacite 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 Dacite Origin and Discoverer

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

Etymology of Lignite and Dacite

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

• Sub-class: Durable Rock and Soft Rock
• Group: Volcanic
• Other Categories: Fine grained rock, Medium grained rock and Opaque rock