Greywacke and Blueschist Definition

Definition of Greywacke and Blueschist

The general Greywacke and Blueschist definition can be stated as: Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay. On the other hand, Blueschist is a metamorphic rock which is generally blue in color and is formed under conditions of high pressure and low temperature. Along with definition of Greywacke and Blueschist, get to know about Properties of Greywacke and Blueschist. Get to know more information about Greywacke and Blueschist origin and discoverer, etymology and class.

History of Greywacke and Blueschist

The history of Greywacke and Blueschist 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.

Greywacke and Blueschist Origin and Discoverer

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

Etymology of Greywacke and Blueschist

Along with Greywacke and Blueschist definition, know more about the etymology of Greywacke and Blueschist. Etymology of Greywacke and Blueschist gives information about origin and formation of a particular rock. Know more about Formation of Greywacke and Formation of Blueschist. The etymology of Greywacke is From German Grauwacke, from grau grey + wacke while that of Blueschist is From German Grauwacke, from grau grey + wacke. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Greywacke belongs to Sedimentary Rocks while Blueschist belongs to Metamorphic Rocks. The sub-class, group and other categories of Greywacke and Blueschist are listed below.

For Greywacke,

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

For Blueschist,

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