Troctolite and Essexite Definition

Troctolite

Essexite

Add ⊕

Definition

Origin

Discoverer

Etymology

Class

Sub-Class

Group

Other Categories

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

Christian Leopold von Buch

From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout)

Igneous Rocks

Durable Rock, Hard Rock

Plutonic

Coarse Grained Rock, Opaque Rock

Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock

USA

Unknown

From the locality in Essex County, Massachusetts,US

Igneous Rocks

Durable Rock, Hard Rock

Plutonic

Fine Grained Rock, Opaque Rock

Definition of Troctolite and Essexite

The general Troctolite and Essexite definition can be stated as: . On the other hand, . Along with definition of Troctolite and Essexite , get to know about Troctolite vs Essexite . Get to know more information about Troctolite and Essexite origin and discoverer, etymology and class.

Compare Igneous Rocks » More

Troctolite vs Trachyandesite

Troctolite vs Benmoreite

Troctolite vs Tephrite

» More Compare Igneous Rocks

History of Troctolite and Essexite

The history of Troctolite and Essexite 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 Essexite Origin and Discoverer

Troctolite and Essexite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Troctolite vs Essexite . In this section, you will know about Troctolite and Essexite Origin and Discoverer. Origin of Troctolite and Essexite are . It is interesting to know the name of Troctolite and Essexite discoverer. The discoverer of Troctolite and Essexite are .

Etymology of Troctolite and Essexite

Along with Troctolite and Essexite definition, know more about the etymology of Troctolite and Essexite . Etymology of Troctolite and Essexite gives information about origin and formation of a particular rock. Know more about Formation of Troctolite and Formation of Essexite . The etymology of Troctolite is while that of Essexite is . The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Troctolite and Essexite belong to . The sub-class, group and other categories of Troctolite and Essexite are listed below.

For Troctolite,