The general Greywacke and Troctolite 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, Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro. Along with definition of Greywacke and Troctolite, get to know about Properties of Greywacke and Troctolite. Get to know more information about Greywacke and Troctolite origin and discoverer, etymology and class.
The history of Greywacke and Troctolite 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 Troctolite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Greywacke and Troctolite. In this section, you will know about Greywacke and Troctolite Origin and Discoverer. Origin of Greywacke and Troctolite are Unknown. It is interesting to know the name of Greywacke and Troctolite discoverer. The Discoverer of Greywacke is Unknown and the discoverer of Troctolite is Christian Leopold von Buch.
Along with Greywacke and Troctolite definition, know more about the etymology of Greywacke and Troctolite. Etymology of Greywacke and Troctolite gives information about origin and formation of a particular rock. Know more about Formation of Greywacke and Formation of Troctolite. The etymology of Greywacke is From German Grauwacke, from grau grey + wacke while that of Troctolite 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 Troctolite belongs to Igneous Rocks. The sub-class, group and other categories of Greywacke and Troctolite are listed below.
For Greywacke,
For Troctolite,