Slate and Troctolite Definition

Definition of Slate and Troctolite

The general Slate and Troctolite definition can be stated as: Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. 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 Slate and Troctolite, get to know about Properties of Slate and Troctolite. Get to know more information about Slate and Troctolite origin and discoverer, etymology and class.

History of Slate and Troctolite

The history of Slate 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.

Slate and Troctolite Origin and Discoverer

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

Etymology of Slate and Troctolite

Along with Slate and Troctolite definition, know more about the etymology of Slate and Troctolite. Etymology of Slate and Troctolite gives information about origin and formation of a particular rock. Know more about Formation of Slate and Formation of Troctolite. The etymology of Slate is From Old French esclate, from esclat (French éclat) while that of Troctolite is From Old French esclate, from esclat (French éclat). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Slate belongs to Metamorphic Rocks while Troctolite belongs to Igneous Rocks. The sub-class, group and other categories of Slate and Troctolite are listed below.

For Slate,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• 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