Porphyry and Tachylite Definition

Definition of Porphyry and Tachylite

The general Porphyry and Tachylite 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, Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt. Along with definition of Porphyry and Tachylite, get to know about Properties of Porphyry and Tachylite. Get to know more information about Porphyry and Tachylite origin and discoverer, etymology and class.

History of Porphyry and Tachylite

The history of Porphyry and Tachylite 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 Tachylite Origin and Discoverer

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

Etymology of Porphyry and Tachylite

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

For Porphyry,

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

For Tachylite,

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