Shonkinite and Ignimbrite Definition

Definition of Shonkinite and Ignimbrite

The general Shonkinite and Ignimbrite definition can be stated as: Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents. On the other hand, Ignimbrite is a volcanic rock consisting mainly of pumice fragments, formed by the consolidation of material deposited by pyroclastic flows. Along with definition of Shonkinite and Ignimbrite, get to know about Properties of Shonkinite and Ignimbrite. Get to know more information about Shonkinite and Ignimbrite origin and discoverer, etymology and class.

History of Shonkinite and Ignimbrite

The history of Shonkinite and Ignimbrite 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.

Shonkinite and Ignimbrite Origin and Discoverer

Shonkinite and Ignimbrite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Shonkinite and Ignimbrite. In this section, you will know about Shonkinite and Ignimbrite Origin and Discoverer. Origin of Shonkinite is USA whereas Origin of Ignimbrite is New Zealand. It is interesting to know the name of Shonkinite and Ignimbrite discoverer. The Discoverer of Shonkinite is Unknown and the discoverer of Ignimbrite is Patrick Marshall.

Etymology of Shonkinite and Ignimbrite

Along with Shonkinite and Ignimbrite definition, know more about the etymology of Shonkinite and Ignimbrite. Etymology of Shonkinite and Ignimbrite gives information about origin and formation of a particular rock. Know more about Formation of Shonkinite and Formation of Ignimbrite. The etymology of Shonkinite is From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US while that of Ignimbrite is From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Shonkinite and Ignimbrite belong to Igneous Rocks. The sub-class, group and other categories of Shonkinite and Ignimbrite are listed below.

For Shonkinite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock

For Ignimbrite,

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