Minette and Greywacke Definition

Definition of Minette and Greywacke

The general Minette and Greywacke definition can be stated as: Minette is a variety of Lamprophyre and is porphyritic alkaline igneous rock which is mainly dominated by biotite and potassic feldspar. On the other hand, Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay. Along with definition of Minette and Greywacke, get to know about Properties of Minette and Greywacke. Get to know more information about Minette and Greywacke origin and discoverer, etymology and class.

History of Minette and Greywacke

The history of Minette and Greywacke 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.

Minette and Greywacke Origin and Discoverer

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

Etymology of Minette and Greywacke

Along with Minette and Greywacke definition, know more about the etymology of Minette and Greywacke. Etymology of Minette and Greywacke gives information about origin and formation of a particular rock. Know more about Formation of Minette and Formation of Greywacke. The etymology of Minette is From French mine ore, mine + ette while that of Greywacke is From French mine ore, mine + ette. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Minette belongs to Igneous Rocks while Greywacke belongs to Sedimentary Rocks. The sub-class, group and other categories of Minette and Greywacke are listed below.

For Minette,

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

For Greywacke,

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