Foidolite and Slate Definition

Definition of Foidolite and Slate

The general Foidolite and Slate 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, Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. Along with definition of Foidolite and Slate, get to know about Properties of Foidolite and Slate. Get to know more information about Foidolite and Slate origin and discoverer, etymology and class.

History of Foidolite and Slate

The history of Foidolite and Slate 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 Slate Origin and Discoverer

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

Etymology of Foidolite and Slate

Along with Foidolite and Slate definition, know more about the etymology of Foidolite and Slate. Etymology of Foidolite and Slate gives information about origin and formation of a particular rock. Know more about Formation of Foidolite and Formation of Slate. The etymology of Foidolite is From the mineral feldspathoid which is the main content of rock while that of Slate 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 belongs to Igneous Rocks while Slate belongs to Metamorphic Rocks. The sub-class, group and other categories of Foidolite and Slate 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 Slate,

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