Greywacke and Sandstone Definition

Definition of Greywacke and Sandstone

The general Greywacke and Sandstone 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, Sandstone is defined as a rock which is composed of sand-sized grains of various minerals mostly of uniform size and often are smooth and rounded. Along with definition of Greywacke and Sandstone, get to know about Properties of Greywacke and Sandstone. Get to know more information about Greywacke and Sandstone origin and discoverer, etymology and class.

History of Greywacke and Sandstone

The history of Greywacke and Sandstone 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 Sandstone Origin and Discoverer

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

Etymology of Greywacke and Sandstone

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

For Greywacke,

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

For Sandstone,

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