Picrite and Troctolite Definition

Definition of Picrite and Troctolite

The general Picrite and Troctolite definition can be stated as: Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine. On the other hand, 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. Along with definition of Picrite and Troctolite, get to know about Properties of Picrite and Troctolite. Get to know more information about Picrite and Troctolite origin and discoverer, etymology and class.

History of Picrite and Troctolite

The history of Picrite and Troctolite 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.

Picrite and Troctolite Origin and Discoverer

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

Etymology of Picrite and Troctolite

Along with Picrite and Troctolite definition, know more about the etymology of Picrite and Troctolite. Etymology of Picrite and Troctolite gives information about origin and formation of a particular rock. Know more about Formation of Picrite and Formation of Troctolite. The etymology of Picrite is From Greek pikros bitter + -ite, 19th century while that of Troctolite is From Greek pikros bitter + -ite, 19th century. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Picrite and Troctolite belong to Igneous Rocks. The sub-class, group and other categories of Picrite and Troctolite are listed below.

For Picrite,

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

For Troctolite,

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