Foidolite and Coal Definition

Definition of Foidolite and Coal

The general Foidolite and Coal 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, Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers called coal beds. Along with definition of Foidolite and Coal, get to know about Properties of Foidolite and Coal. Get to know more information about Foidolite and Coal origin and discoverer, etymology and class.

History of Foidolite and Coal

The history of Foidolite and Coal 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 Coal Origin and Discoverer

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

Etymology of Foidolite and Coal

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

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