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Adakite
Adakite

Anthracite
Anthracite



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Adakite
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Anthracite

Adakite and Anthracite Definition

1 Definition
1.1 Definition
Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster
1.2 History
1.2.1 Origin
Adak, Aleutian Islands
Pennsylvania, U.S.
1.2.2 Discoverer
Defant and Drummond
Unknown
1.3 Etymology
From Adak, Aleutian Islands
From Greek anthrakites, from anthrax, anthrak meaning coal
1.4 Class
Igneous Rocks
Metamorphic Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
1.5 Family
1.5.1 Group
Volcanic
Not Applicable
1.6 Other Categories
Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock

Definition of Adakite and Anthracite

The general Adakite and Anthracite definition can be stated as: Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. 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 Adakite and Anthracite, get to know about Properties of Adakite and Anthracite. Get to know more information about Adakite and Anthracite origin and discoverer, etymology and class.

History of Adakite and Anthracite

The history of Adakite 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.

Adakite and Anthracite Origin and Discoverer

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

Etymology of Adakite and Anthracite

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

For Adakite,

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