Greywacke and Blue Granite Definition

Definition of Greywacke and Blue Granite

The general Greywacke and Blue Granite 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, Blue Granite is an igneous rock and a variety of Larvikite, notable for the presence of thumbnail-sized blue crystals of feldspar. Along with definition of Greywacke and Blue Granite, get to know about Properties of Greywacke and Blue Granite. Get to know more information about Greywacke and Blue Granite origin and discoverer, etymology and class.

History of Greywacke and Blue Granite

The history of Greywacke and Blue Granite 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 Blue Granite Origin and Discoverer

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

Etymology of Greywacke and Blue Granite

Along with Greywacke and Blue Granite definition, know more about the etymology of Greywacke and Blue Granite. Etymology of Greywacke and Blue Granite gives information about origin and formation of a particular rock. Know more about Formation of Greywacke and Formation of Blue Granite. The etymology of Greywacke is From German Grauwacke, from grau grey + wacke while that of Blue Granite 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 Blue Granite belongs to Igneous Rocks. The sub-class, group and other categories of Greywacke and Blue Granite are listed below.

For Greywacke,

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

For Blue Granite,

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