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Adakite
Adakite

Shonkinite
Shonkinite



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Shonkinite

Adakite and Shonkinite 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
Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents
1.2 History
1.2.1 Origin
Adak, Aleutian Islands
USA
1.2.2 Discoverer
Defant and Drummond
Unknown
1.3 Etymology
From Adak, Aleutian Islands
From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness 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 Shonkinite

The general Adakite and Shonkinite 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, Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents. Along with definition of Adakite and Shonkinite, get to know about Properties of Adakite and Shonkinite. Get to know more information about Adakite and Shonkinite origin and discoverer, etymology and class.

History of Adakite and Shonkinite

The history of Adakite and Shonkinite 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 Shonkinite Origin and Discoverer

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

Etymology of Adakite and Shonkinite

Along with Adakite and Shonkinite definition, know more about the etymology of Adakite and Shonkinite. Etymology of Adakite and Shonkinite gives information about origin and formation of a particular rock. Know more about Formation of Adakite and Formation of Shonkinite. The etymology of Adakite is From Adak, Aleutian Islands while that of Shonkinite 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 and Shonkinite belong to Igneous Rocks. The sub-class, group and other categories of Adakite and Shonkinite 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 Shonkinite,

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