Dacite and Shoshonite Definition

Definition of Dacite and Shoshonite

The general Dacite and Shoshonite definition can be stated as: Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite. 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 Dacite and Shoshonite, get to know about Properties of Dacite and Shoshonite. Get to know more information about Dacite and Shoshonite origin and discoverer, etymology and class.

History of Dacite and Shoshonite

The history of Dacite 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.

Dacite and Shoshonite Origin and Discoverer

Dacite and Shoshonite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Dacite and Shoshonite. In this section, you will know about Dacite and Shoshonite Origin and Discoverer. Origin of Dacite is Romania and Moldova, Europe whereas Origin of Shoshonite is Wyoming,USA. It is interesting to know the name of Dacite and Shoshonite discoverer. The Discoverer of Dacite is Unknown and the discoverer of Shoshonite is Iddings.

Etymology of Dacite and Shoshonite

Along with Dacite and Shoshonite definition, know more about the etymology of Dacite and Shoshonite. Etymology of Dacite and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Dacite and Formation of Shoshonite. The etymology of Dacite is From Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains where the rock was first described while that of Shoshonite is From Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains where the rock was first described. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Dacite and Shoshonite belong to Igneous Rocks. The sub-class, group and other categories of Dacite and Shoshonite are listed below.

For Dacite,

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

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