Anorthosite and Anthracite Definition

Definition of Anorthosite and Anthracite

The general Anorthosite and Anthracite definition can be stated as: Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. On the other hand, Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. Along with definition of Anorthosite and Anthracite, get to know about Properties of Anorthosite and Anthracite. Get to know more information about Anorthosite and Anthracite origin and discoverer, etymology and class.

History of Anorthosite and Anthracite

The history of Anorthosite and Anthracite 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.

Anorthosite and Anthracite Origin and Discoverer

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

Etymology of Anorthosite and Anthracite

Along with Anorthosite and Anthracite definition, know more about the etymology of Anorthosite and Anthracite. Etymology of Anorthosite and Anthracite gives information about origin and formation of a particular rock. Know more about Formation of Anorthosite and Formation of Anthracite. The etymology of Anorthosite is From French anorthose plagioclase + -ite1 while that of Anthracite is From French anorthose plagioclase + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Anorthosite belongs to Igneous Rocks while Anthracite belongs to Metamorphic Rocks. The sub-class, group and other categories of Anorthosite and Anthracite are listed below.

For Anorthosite,

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

For Anthracite,

• Sub-class: Durable Rock and Soft Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock