Tachylite and Gneiss Definition

Definition of Tachylite and Gneiss

The general Tachylite and Gneiss definition can be stated as: Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt. On the other hand, Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks. Along with definition of Tachylite and Gneiss, get to know about Properties of Tachylite and Gneiss. Get to know more information about Tachylite and Gneiss origin and discoverer, etymology and class.

History of Tachylite and Gneiss

The history of Tachylite and Gneiss 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.

Tachylite and Gneiss Origin and Discoverer

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

Etymology of Tachylite and Gneiss

Along with Tachylite and Gneiss definition, know more about the etymology of Tachylite and Gneiss. Etymology of Tachylite and Gneiss gives information about origin and formation of a particular rock. Know more about Formation of Tachylite and Formation of Gneiss. The etymology of Tachylite is From German Tachylite, from tachy- + Greek lutos soluble, melting while that of Gneiss is From German Tachylite, from tachy- + Greek lutos soluble, melting. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Tachylite belongs to Igneous Rocks while Gneiss belongs to Metamorphic Rocks. The sub-class, group and other categories of Tachylite and Gneiss are listed below.

For Tachylite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Volcanic
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock

For Gneiss,

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Medium grained rock and Opaque rock