Greywacke and Appinite Definition

Definition of Greywacke and Appinite

The general Greywacke and Appinite 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, Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished. Along with definition of Greywacke and Appinite, get to know about Properties of Greywacke and Appinite. Get to know more information about Greywacke and Appinite origin and discoverer, etymology and class.

History of Greywacke and Appinite

The history of Greywacke and Appinite 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 Appinite Origin and Discoverer

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

Etymology of Greywacke and Appinite

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

For Greywacke,

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

For Appinite,

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