Troctolite and Shale Definition

Definition of Troctolite and Shale

The general Troctolite and Shale 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, Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles. Along with definition of Troctolite and Shale, get to know about Properties of Troctolite and Shale. Get to know more information about Troctolite and Shale origin and discoverer, etymology and class.

History of Troctolite and Shale

The history of Troctolite and Shale 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 Shale Origin and Discoverer

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

Etymology of Troctolite and Shale

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

For Troctolite,

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

For Shale,

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