Variolite and Ganister Definition

Variolite

Ganister

Add ⊕

1 Definition

1.1 Definition

Variolites are a group of dark green basic igneous rocks which exhibit pale colored spots, or spherules, especially on weathered surfaces, that give them a pockmarked appearance

A ganister is a hard, fine-grained quartzose sandstone or orthoquartzite which is basically used in the manufacture of silica brick typically used to line furnaces and is a type of sedimentary rocks.

1.2 History

1.2.1 Origin

France

England

1.2.2 Discoverer

Unknown

1.3 Etymology

From Latin varius, speckled, variegated

From gan′is-ter i.e a hard, close-grained siliceous stone, often forming the stratum which underlies a coal-seam

1.4 Class

Igneous Rocks

Sedimentary Rocks

1.4.1 Sub-Class

Durable Rock, Hard Rock

1.5 Family

1.5.1 Group

Volcanic

Not Applicable

1.6 Other Categories

Opaque Rock

Coarse Grained Rock, Fine Grained Rock, Opaque Rock

Definition of Variolite and Ganister

The general Variolite and Ganister definition can be stated as: Variolites are a group of dark green basic igneous rocks which exhibit pale colored spots, or spherules, especially on weathered surfaces, that give them a pockmarked appearance. On the other hand, A ganister is a hard, fine-grained quartzose sandstone or orthoquartzite which is basically used in the manufacture of silica brick typically used to line furnaces and is a type of sedimentary rocks.. Along with definition of Variolite and Ganister, get to know about Properties of Variolite and Ganister. Get to know more information about Variolite and Ganister origin and discoverer, etymology and class.

Compare Igneous Rocks » More

Variolite vs Diorite

Variolite vs Gabbro

Variolite vs Rhyolite

» More

More Compare Igneous Rocks

History of Variolite and Ganister

The history of Variolite and Ganister 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.

Variolite and Ganister Origin and Discoverer

Variolite and Ganister definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Variolite and Ganister. In this section, you will know about Variolite and Ganister Origin and Discoverer. Origin of Variolite is France whereas Origin of Ganister is England. It is interesting to know the name of Variolite and Ganister discoverer. The discoverer of Variolite and Ganister are Unknown.

Etymology of Variolite and Ganister

Along with Variolite and Ganister definition, know more about the etymology of Variolite and Ganister. Etymology of Variolite and Ganister gives information about origin and formation of a particular rock. Know more about Formation of Variolite and Formation of Ganister. The etymology of Variolite is From Latin varius, speckled, variegated while that of Ganister is From Latin varius, speckled, variegated. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Variolite belongs to Igneous Rocks while Ganister belongs to Sedimentary Rocks. The sub-class, group and other categories of Variolite and Ganister are listed below.

For Variolite,