Porphyry and Sandstone Definition

Definition of Porphyry and Sandstone

The general Porphyry and Sandstone 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, Sandstone is defined as a rock which is composed of sand-sized grains of various minerals mostly of uniform size and often are smooth and rounded. Along with definition of Porphyry and Sandstone, get to know about Properties of Porphyry and Sandstone. Get to know more information about Porphyry and Sandstone origin and discoverer, etymology and class.

History of Porphyry and Sandstone

The history of Porphyry and Sandstone 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 Sandstone Origin and Discoverer

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

Etymology of Porphyry and Sandstone

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

For Porphyry,

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

For Sandstone,

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Fine grained rock and Opaque rock