Porphyry and Trachyte Definition

Definition of Porphyry and Trachyte

The general Porphyry and Trachyte definition can be stated as: Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix. On the other hand, Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar. Along with definition of Porphyry and Trachyte, get to know about Properties of Porphyry and Trachyte. Get to know more information about Porphyry and Trachyte origin and discoverer, etymology and class.

History of Porphyry and Trachyte

The history of Porphyry and Trachyte 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.

Porphyry and Trachyte Origin and Discoverer

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

Etymology of Porphyry and Trachyte

Along with Porphyry and Trachyte definition, know more about the etymology of Porphyry and Trachyte. Etymology of Porphyry and Trachyte gives information about origin and formation of a particular rock. Know more about Formation of Porphyry and Formation of Trachyte. The etymology of Porphyry is From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites while that of Trachyte is From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Porphyry and Trachyte belong to Igneous Rocks. The sub-class, group and other categories of Porphyry and Trachyte are listed below.

For Porphyry,

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

For Trachyte,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Volcanic
• Other Categories: Fine grained rock and Opaque rock