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Siltstone and Porphyry Definition


Porphyry and Siltstone Definition


Definition

Definition
Siltstone can be defined as a fine-grained sedimentary rock which mainly consists of consolidated silt   
Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix   

History
  
  

Origin
Unknown   
Egypt   

Discoverer
Unknown   
Unknown   

Etymology
From English word silt and stone and from Proto-Indo-European root sal and stainaz   
From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites   

Class
Sedimentary Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Plutonic   

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

Texture >>
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Definition of Siltstone and Porphyry

The general Siltstone and Porphyry definition can be stated as: Siltstone can be defined as a fine-grained sedimentary rock which mainly consists of consolidated silt. 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 Siltstone and Porphyry, get to know about Properties of Siltstone and Porphyry. Get to know more information about Siltstone and Porphyry origin and discoverer, etymology and class.

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History of Siltstone and Porphyry

The history of Siltstone 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.

Siltstone and Porphyry Origin and Discoverer

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

Etymology of Siltstone and Porphyry

Along with Siltstone and Porphyry definition, know more about the etymology of Siltstone and Porphyry. Etymology of Siltstone and Porphyry gives information about origin and formation of a particular rock. Know more about Formation of Siltstone and Formation of Porphyry. The etymology of Siltstone is From English word silt and stone and from Proto-Indo-European root sal and stainaz while that of Porphyry is From English word silt and stone and from Proto-Indo-European root sal and stainaz. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Siltstone belongs to Sedimentary Rocks while Porphyry belongs to Igneous Rocks. The sub-class, group and other categories of Siltstone and Porphyry are listed below.

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For Porphyry,

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