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Adakite
Adakite

Porphyry
Porphyry



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Adakite and Porphyry Definition

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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
Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix
1.2 History
1.2.1 Origin
Adak, Aleutian Islands
Egypt
1.2.2 Discoverer
Defant and Drummond
Unknown
1.3 Etymology
From Adak, Aleutian Islands
From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Volcanic
Plutonic
1.6 Other Categories
Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Adakite and Porphyry

The general Adakite and Porphyry 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, Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix. Along with definition of Adakite and Porphyry, get to know about Properties of Adakite and Porphyry. Get to know more information about Adakite and Porphyry origin and discoverer, etymology and class.

History of Adakite and Porphyry

The history of Adakite and Porphyry 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 Porphyry Origin and Discoverer

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

Etymology of Adakite and Porphyry

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

  • Sub-class: Durable Rock and Hard Rock
  • Group: Plutonic
  • Other Categories: Fine grained rock and Opaque rock
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