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Anthracite
Anthracite

Trachyandesite
Trachyandesite



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Anthracite and Trachyandesite Definition

1 Definition
1.1 Definition
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster
Trachyandesite is an extrusive igneous rock.
1.2 History
1.2.1 Origin
Pennsylvania, U.S.
Indonesia
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From Greek anthrakites, from anthrax, anthrak meaning coal
From French trachyandésite, trachy + andésite andesite, a lava intermediate in composition between trachyte and andesite
1.4 Class
Metamorphic Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Not Applicable
Volcanic
1.6 Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Anthracite and Trachyandesite

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

History of Anthracite and Trachyandesite

The history of Anthracite and Trachyandesite 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.

Anthracite and Trachyandesite Origin and Discoverer

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

Etymology of Anthracite and Trachyandesite

Along with Anthracite and Trachyandesite definition, know more about the etymology of Anthracite and Trachyandesite. Etymology of Anthracite and Trachyandesite gives information about origin and formation of a particular rock. Know more about Formation of Anthracite and Formation of Trachyandesite. The etymology of Anthracite is From Greek anthrakites, from anthrax, anthrak meaning coal while that of Trachyandesite is From Greek anthrakites, from anthrax, anthrak meaning coal. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Anthracite belongs to Metamorphic Rocks while Trachyandesite belongs to Igneous Rocks. The sub-class, group and other categories of Anthracite and Trachyandesite are listed below.

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

For Trachyandesite,

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