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Picrite and Porphyry Definition


Porphyry and Picrite Definition


Definition

Definition
Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine   
Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix   

History
  
  

Origin
Hawaii Islands   
Egypt   

Discoverer
Unknown   
Unknown   

Etymology
From Greek pikros bitter + -ite, 19th century   
From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites   

Class
Igneous Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Volcanic   
Plutonic   

Other Categories
Fine Grained Rock, Opaque Rock   
Fine Grained Rock, Opaque Rock   

Texture >>
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Definition of Picrite and Porphyry

The general Picrite and Porphyry definition can be stated as: Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine. 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 Picrite and Porphyry, get to know about Properties of Picrite and Porphyry. Get to know more information about Picrite and Porphyry origin and discoverer, etymology and class.

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History of Picrite and Porphyry

The history of Picrite 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.

Picrite and Porphyry Origin and Discoverer

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

Etymology of Picrite and Porphyry

Along with Picrite and Porphyry definition, know more about the etymology of Picrite and Porphyry. Etymology of Picrite and Porphyry gives information about origin and formation of a particular rock. Know more about Formation of Picrite and Formation of Porphyry. The etymology of Picrite is From Greek pikros bitter + -ite, 19th century while that of Porphyry is From Greek pikros bitter + -ite, 19th century. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Picrite and Porphyry belong to Igneous Rocks. The sub-class, group and other categories of Picrite and Porphyry are listed below.

For Picrite,

For Porphyry,

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