Adakite and Lignite Definition

Definition of Adakite and Lignite

The general Adakite and Lignite definition can be stated as: Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. 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 Adakite and Lignite, get to know about Properties of Adakite and Lignite. Get to know more information about Adakite and Lignite origin and discoverer, etymology and class.

History of Adakite and Lignite

The history of Adakite 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.

Adakite and Lignite Origin and Discoverer

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

Etymology of Adakite and Lignite

Along with Adakite and Lignite definition, know more about the etymology of Adakite and Lignite. Etymology of Adakite and Lignite gives information about origin and formation of a particular rock. Know more about Formation of Adakite and Formation of Lignite. The etymology of Adakite is From Adak, Aleutian Islands while that of Lignite is From Adak, Aleutian Islands. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Adakite belongs to Igneous Rocks while Lignite belongs to Sedimentary Rocks. The sub-class, group and other categories of Adakite and Lignite are listed below.

For Adakite,

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