Norite and Lignite Definition

Definition of Norite and Lignite

The general Norite and Lignite definition can be stated as: Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine. 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 Norite and Lignite, get to know about Properties of Norite and Lignite. Get to know more information about Norite and Lignite origin and discoverer, etymology and class.

History of Norite and Lignite

The history of Norite 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.

Norite and Lignite Origin and Discoverer

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

Etymology of Norite and Lignite

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

For Norite,

• 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:
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock