Foidolite and Dacite Definition

Definition of Foidolite and Dacite

The general Foidolite and Dacite definition can be stated as: Foidolite is a rare type of coarse-grained intrusive igneous rock with a feldspathoid mineral content greater than 60%. On the other hand, Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite. Along with definition of Foidolite and Dacite, get to know about Properties of Foidolite and Dacite. Get to know more information about Foidolite and Dacite origin and discoverer, etymology and class.

History of Foidolite and Dacite

The history of Foidolite 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.

Foidolite and Dacite Origin and Discoverer

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

Etymology of Foidolite and Dacite

Along with Foidolite and Dacite definition, know more about the etymology of Foidolite and Dacite. Etymology of Foidolite and Dacite gives information about origin and formation of a particular rock. Know more about Formation of Foidolite and Formation of Dacite. The etymology of Foidolite is From the mineral feldspathoid which is the main content of rock while that of Dacite is From the mineral feldspathoid which is the main content of rock. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Foidolite and Dacite belong to Igneous Rocks. The sub-class, group and other categories of Foidolite and Dacite are listed below.

For Foidolite,

• Sub-class: Durable Rock and Soft Rock
• Group: Plutonic
• 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