The general Nepheline Syenite and Shoshonite definition can be stated as: Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. On the other hand, Shoshonite is a basaltic rock, properly a potassic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass. Along with definition of Nepheline Syenite and Shoshonite, get to know about Properties of Nepheline Syenite and Shoshonite. Get to know more information about Nepheline Syenite and Shoshonite origin and discoverer, etymology and class.
The history of Nepheline Syenite and Shoshonite 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.
Nepheline Syenite and Shoshonite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Nepheline Syenite and Shoshonite. In this section, you will know about Nepheline Syenite and Shoshonite Origin and Discoverer. Origin of Nepheline Syenite is Unknown whereas Origin of Shoshonite is Wyoming,USA. It is interesting to know the name of Nepheline Syenite and Shoshonite discoverer. The Discoverer of Nepheline Syenite is Unknown and the discoverer of Shoshonite is Iddings.
Along with Nepheline Syenite and Shoshonite definition, know more about the etymology of Nepheline Syenite and Shoshonite. Etymology of Nepheline Syenite and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Nepheline Syenite and Formation of Shoshonite. The etymology of Nepheline Syenite is From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China while that of Shoshonite is From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Nepheline Syenite and Shoshonite belong to Igneous Rocks. The sub-class, group and other categories of Nepheline Syenite and Shoshonite are listed below.
For Nepheline Syenite,
For Shoshonite,