The general Greywacke and Chert 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, Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture. Along with definition of Greywacke and Chert, get to know about Properties of Greywacke and Chert. Get to know more information about Greywacke and Chert origin and discoverer, etymology and class.
The history of Greywacke and Chert 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 Chert definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Greywacke and Chert. In this section, you will know about Greywacke and Chert Origin and Discoverer. Origin of Greywacke and Chert are Unknown. It is interesting to know the name of Greywacke and Chert discoverer. The discoverer of Greywacke and Chert are Unknown.
Along with Greywacke and Chert definition, know more about the etymology of Greywacke and Chert. Etymology of Greywacke and Chert gives information about origin and formation of a particular rock. Know more about Formation of Greywacke and Formation of Chert. The etymology of Greywacke is From German Grauwacke, from grau grey + wacke while that of Chert 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 Chert belong to Sedimentary Rocks. The sub-class, group and other categories of Greywacke and Chert are listed below.
For Greywacke,
For Chert,
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