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Syenite
Syenite

Porphyry
Porphyry



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Syenite and Porphyry Definition

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1 Definition
1.1 Definition
Syenite is a coarse-grained igneous rock which is composed mainly of alkali feldspar and various ferromagnesian minerals
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
Unknown
Egypt
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From French syénite, from Latin Syenites (lapis ) (stone) of Syene
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
Plutonic
Plutonic
1.6 Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Syenite and Porphyry

The general Syenite and Porphyry definition can be stated as: Syenite is a coarse-grained igneous rock which is composed mainly of alkali feldspar and various ferromagnesian minerals. 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 Syenite and Porphyry, get to know about Properties of Syenite and Porphyry. Get to know more information about Syenite and Porphyry origin and discoverer, etymology and class.

History of Syenite and Porphyry

The history of Syenite 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.

Syenite and Porphyry Origin and Discoverer

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

Etymology of Syenite and Porphyry

Along with Syenite and Porphyry definition, know more about the etymology of Syenite and Porphyry. Etymology of Syenite and Porphyry gives information about origin and formation of a particular rock. Know more about Formation of Syenite and Formation of Porphyry. The etymology of Syenite is From French syénite, from Latin Syenites (lapis ) (stone) of Syene while that of Porphyry is From French syénite, from Latin Syenites (lapis ) (stone) of Syene. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Syenite and Porphyry belong to Igneous Rocks. The sub-class, group and other categories of Syenite and Porphyry are listed below.

For Syenite,

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