Greywacke and Minette Definition

Definition of Greywacke and Minette

The general Greywacke and Minette 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, Minette is a variety of Lamprophyre and is porphyritic alkaline igneous rock which is mainly dominated by biotite and potassic feldspar. Along with definition of Greywacke and Minette, get to know about Properties of Greywacke and Minette. Get to know more information about Greywacke and Minette origin and discoverer, etymology and class.

History of Greywacke and Minette

The history of Greywacke and Minette 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 Minette Origin and Discoverer

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

Etymology of Greywacke and Minette

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

For Greywacke,

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

For Minette,

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