Shoshonite and Ignimbrite Definition

Definition of Shoshonite and Ignimbrite

The general Shoshonite and Ignimbrite definition can be stated as: 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. 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 Shoshonite and Ignimbrite, get to know about Properties of Shoshonite and Ignimbrite. Get to know more information about Shoshonite and Ignimbrite origin and discoverer, etymology and class.

History of Shoshonite and Ignimbrite

The history of Shoshonite 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.

Shoshonite and Ignimbrite Origin and Discoverer

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

Etymology of Shoshonite and Ignimbrite

Along with Shoshonite and Ignimbrite definition, know more about the etymology of Shoshonite and Ignimbrite. Etymology of Shoshonite and Ignimbrite gives information about origin and formation of a particular rock. Know more about Formation of Shoshonite and Formation of Ignimbrite. The etymology of Shoshonite is From the place of origin called Shoshone riverin Wyoming while that of Ignimbrite is From the place of origin called Shoshone riverin Wyoming. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Shoshonite and Ignimbrite belong to Igneous Rocks. The sub-class, group and other categories of Shoshonite and Ignimbrite are listed below.

For Shoshonite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Volcanic
• 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