Troctolite and Lignite Definition

Definition of Troctolite and Lignite

The general Troctolite and Lignite definition can be stated as: 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. 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 Troctolite and Lignite, get to know about Properties of Troctolite and Lignite. Get to know more information about Troctolite and Lignite origin and discoverer, etymology and class.

History of Troctolite and Lignite

The history of Troctolite 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.

Troctolite and Lignite Origin and Discoverer

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

Etymology of Troctolite and Lignite

Along with Troctolite and Lignite definition, know more about the etymology of Troctolite and Lignite. Etymology of Troctolite and Lignite gives information about origin and formation of a particular rock. Know more about Formation of Troctolite and Formation of Lignite. The etymology of Troctolite is From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout) while that of Lignite is From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Troctolite belongs to Igneous Rocks while Lignite belongs to Sedimentary Rocks. The sub-class, group and other categories of Troctolite and Lignite are listed below.

For Troctolite,

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