Slate and Tachylite Definition

Definition of Slate and Tachylite

The general Slate and Tachylite definition can be stated as: Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. On the other hand, Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt. Along with definition of Slate and Tachylite, get to know about Properties of Slate and Tachylite. Get to know more information about Slate and Tachylite origin and discoverer, etymology and class.

History of Slate and Tachylite

The history of Slate and Tachylite 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.

Slate and Tachylite Origin and Discoverer

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

Etymology of Slate and Tachylite

Along with Slate and Tachylite definition, know more about the etymology of Slate and Tachylite. Etymology of Slate and Tachylite gives information about origin and formation of a particular rock. Know more about Formation of Slate and Formation of Tachylite. The etymology of Slate is From Old French esclate, from esclat (French éclat) while that of Tachylite is From Old French esclate, from esclat (French éclat). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Slate belongs to Metamorphic Rocks while Tachylite belongs to Igneous Rocks. The sub-class, group and other categories of Slate and Tachylite are listed below.

For Slate,

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

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