Troctolite and Chalk Definition

Definition of Troctolite and Chalk

The general Troctolite and Chalk 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, Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Along with definition of Troctolite and Chalk, get to know about Properties of Troctolite and Chalk. Get to know more information about Troctolite and Chalk origin and discoverer, etymology and class.

History of Troctolite and Chalk

The history of Troctolite and Chalk 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 Chalk Origin and Discoverer

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

Etymology of Troctolite and Chalk

Along with Troctolite and Chalk definition, know more about the etymology of Troctolite and Chalk. Etymology of Troctolite and Chalk gives information about origin and formation of a particular rock. Know more about Formation of Troctolite and Formation of Chalk. The etymology of Troctolite is From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout) while that of Chalk 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 belongs to Igneous Rocks while Chalk belongs to Sedimentary Rocks. The sub-class, group and other categories of Troctolite and Chalk are listed below.

For Troctolite,

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

For Chalk,

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