Greywacke and Marble Definition

Definition of Greywacke and Marble

The general Greywacke and Marble 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, Marble is a non-foliated metamorphic rock which is composed of recrystallized carbonate which is formed when limestone is exposed to high temperatures and pressures over a long time. Along with definition of Greywacke and Marble, get to know about Properties of Greywacke and Marble. Get to know more information about Greywacke and Marble origin and discoverer, etymology and class.

History of Greywacke and Marble

The history of Greywacke and Marble 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 Marble Origin and Discoverer

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

Etymology of Greywacke and Marble

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

For Greywacke,

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

For Marble,

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