Lignite and Troctolite Definition

Definition of Lignite and Troctolite

The general Lignite and Troctolite 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, Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro. Along with definition of Lignite and Troctolite, get to know about Properties of Lignite and Troctolite. Get to know more information about Lignite and Troctolite origin and discoverer, etymology and class.

History of Lignite and Troctolite

The history of Lignite and Troctolite 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 Troctolite Origin and Discoverer

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

Etymology of Lignite and Troctolite

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

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Coarse grained rock and Opaque rock