Porphyry and Marl Definition

Definition of Porphyry and Marl

The general Porphyry and Marl 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, Marl is an unconsolidated sedimentary rock consisting of clay and lime. Along with definition of Porphyry and Marl, get to know about Properties of Porphyry and Marl. Get to know more information about Porphyry and Marl origin and discoverer, etymology and class.

History of Porphyry and Marl

The history of Porphyry and Marl 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 Marl Origin and Discoverer

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

Etymology of Porphyry and Marl

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

For Porphyry,

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

For Marl,

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