Greywacke and Litchfieldite Definition

Definition of Greywacke and Litchfieldite

The general Greywacke and Litchfieldite 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, Litchfieldite is a rare igneous rock which is coarse-grained, foliated and a variety of nepheline syenite, sometimes also called as nepheline syenite gneiss or gneissic nepeheline syenite. Along with definition of Greywacke and Litchfieldite, get to know about Properties of Greywacke and Litchfieldite. Get to know more information about Greywacke and Litchfieldite origin and discoverer, etymology and class.

History of Greywacke and Litchfieldite

The history of Greywacke and Litchfieldite 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 Litchfieldite Origin and Discoverer

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

Etymology of Greywacke and Litchfieldite

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

For Greywacke,

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

For Litchfieldite,

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