Rhyolite and Nepheline Syenite Definition

Definition of Rhyolite and Nepheline Syenite

The general Rhyolite and Nepheline Syenite definition can be stated as: Rhyolite is a fine-grained igneous rock which is rich in silica. On the other hand, Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. Along with definition of Rhyolite and Nepheline Syenite, get to know about Properties of Rhyolite and Nepheline Syenite. Get to know more information about Rhyolite and Nepheline Syenite origin and discoverer, etymology and class.

History of Rhyolite and Nepheline Syenite

The history of Rhyolite and Nepheline Syenite 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.

Rhyolite and Nepheline Syenite Origin and Discoverer

Rhyolite and Nepheline Syenite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Rhyolite and Nepheline Syenite. In this section, you will know about Rhyolite and Nepheline Syenite Origin and Discoverer. Origin of Rhyolite is North America whereas Origin of Nepheline Syenite is Unknown. It is interesting to know the name of Rhyolite and Nepheline Syenite discoverer. The Discoverer of Rhyolite is Ferdinand von Richthofen and the discoverer of Nepheline Syenite is Unknown.

Etymology of Rhyolite and Nepheline Syenite

Along with Rhyolite and Nepheline Syenite definition, know more about the etymology of Rhyolite and Nepheline Syenite. Etymology of Rhyolite and Nepheline Syenite gives information about origin and formation of a particular rock. Know more about Formation of Rhyolite and Formation of Nepheline Syenite. The etymology of Rhyolite is From German Rhyolit, from Greek rhuax lava stream + lithos stone while that of Nepheline Syenite is From German Rhyolit, from Greek rhuax lava stream + lithos stone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Rhyolite and Nepheline Syenite belong to Igneous Rocks. The sub-class, group and other categories of Rhyolite and Nepheline Syenite are listed below.

For Rhyolite,

• Sub-class: Durable Rock and Hard Rock
• Group: Volcanic
• Other Categories: Coarse grained rock and Opaque rock

For Nepheline Syenite,

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