Porphyry and Oolite Definition

Definition of Porphyry and Oolite

The general Porphyry and Oolite 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, Oolite is a sedimentary rock formed from ooids, spherical grains which are composed of concentric layers of calcite. Along with definition of Porphyry and Oolite, get to know about Properties of Porphyry and Oolite. Get to know more information about Porphyry and Oolite origin and discoverer, etymology and class.

History of Porphyry and Oolite

The history of Porphyry and Oolite 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 Oolite Origin and Discoverer

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

Etymology of Porphyry and Oolite

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

For Porphyry,

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

For Oolite,

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