Troctolite and Porphyry Definition

Definition of Troctolite and Porphyry

The general Troctolite and Porphyry definition can be stated as: Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro. On the other hand, Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix. Along with definition of Troctolite and Porphyry, get to know about Properties of Troctolite and Porphyry. Get to know more information about Troctolite and Porphyry origin and discoverer, etymology and class.

History of Troctolite and Porphyry

The history of Troctolite and Porphyry 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.

Troctolite and Porphyry Origin and Discoverer

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

Etymology of Troctolite and Porphyry

Along with Troctolite and Porphyry definition, know more about the etymology of Troctolite and Porphyry. Etymology of Troctolite and Porphyry gives information about origin and formation of a particular rock. Know more about Formation of Troctolite and Formation of Porphyry. The etymology of Troctolite is From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout) while that of Porphyry is From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Troctolite and Porphyry belong to Igneous Rocks. The sub-class, group and other categories of Troctolite and Porphyry are listed below.

For Troctolite,

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

For Porphyry,

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