Shonkinite and Dacite Definition

Definition of Shonkinite and Dacite

The general Shonkinite and Dacite 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, Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite. Along with definition of Shonkinite and Dacite, get to know about Properties of Shonkinite and Dacite. Get to know more information about Shonkinite and Dacite origin and discoverer, etymology and class.

History of Shonkinite and Dacite

The history of Shonkinite and Dacite 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 Dacite Origin and Discoverer

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

Etymology of Shonkinite and Dacite

Along with Shonkinite and Dacite definition, know more about the etymology of Shonkinite and Dacite. Etymology of Shonkinite and Dacite gives information about origin and formation of a particular rock. Know more about Formation of Shonkinite and Formation of Dacite. The etymology of Shonkinite is From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US while that of Dacite 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 Dacite belong to Igneous Rocks. The sub-class, group and other categories of Shonkinite and Dacite 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 Dacite,

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