The general Nepheline Syenite and Obsidian definition can be stated as: Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. On the other hand, Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock. It is produced when felsic lava extruded from a volcano cools rapidly with minimum crystal growth. Along with definition of Nepheline Syenite and Obsidian, get to know about Properties of Nepheline Syenite and Obsidian. Get to know more information about Nepheline Syenite and Obsidian origin and discoverer, etymology and class.
The history of Nepheline Syenite and Obsidian 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 Obsidian 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 Obsidian. In this section, you will know about Nepheline Syenite and Obsidian Origin and Discoverer. Origin of Nepheline Syenite is Unknown whereas Origin of Obsidian is Ethiopia. It is interesting to know the name of Nepheline Syenite and Obsidian discoverer. The Discoverer of Nepheline Syenite is Unknown and the discoverer of Obsidian is Obsius.
Along with Nepheline Syenite and Obsidian definition, know more about the etymology of Nepheline Syenite and Obsidian. Etymology of Nepheline Syenite and Obsidian gives information about origin and formation of a particular rock. Know more about Formation of Nepheline Syenite and Formation of Obsidian. The etymology of Nepheline Syenite is From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China while that of Obsidian 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 Obsidian belong to Igneous Rocks. The sub-class, group and other categories of Nepheline Syenite and Obsidian are listed below.
For Nepheline Syenite,
For Obsidian,
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