Home
Compare Rocks


Trachyte and Porphyry Definition


Porphyry and Trachyte Definition


Definition

Definition
Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar   
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
Alexandre Brongniart and René Just Haüy   
Unknown   

Etymology
From Greek trakhus rough’ or trakhutēs roughness   
From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites   

Class
Igneous Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Medium Hardness Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Volcanic   
Plutonic   

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

Texture >>
<< Summary

Definition of Trachyte and Porphyry

The general Trachyte and Porphyry definition can be stated as: Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar. 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 Trachyte and Porphyry, get to know about Properties of Trachyte and Porphyry. Get to know more information about Trachyte and Porphyry origin and discoverer, etymology and class.

Compare Igneous Rocks

History of Trachyte and Porphyry

The history of Trachyte 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.

Trachyte and Porphyry Origin and Discoverer

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

Etymology of Trachyte and Porphyry

Along with Trachyte and Porphyry definition, know more about the etymology of Trachyte and Porphyry. Etymology of Trachyte and Porphyry gives information about origin and formation of a particular rock. Know more about Formation of Trachyte and Formation of Porphyry. The etymology of Trachyte is From Greek trakhus rough’ or trakhutēs roughness while that of Porphyry is From Greek trakhus rough’ or trakhutēs roughness. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Trachyte and Porphyry belong to Igneous Rocks. The sub-class, group and other categories of Trachyte and Porphyry are listed below.

For Trachyte,

For Porphyry,

Igneous Rocks

Igneous Rocks

» More Igneous Rocks

Compare Igneous Rocks

» More Compare Igneous Rocks