Chert and Foidolite Definition

Definition of Chert and Foidolite

The general Chert and Foidolite definition can be stated as: Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture. On the other hand, Foidolite is a rare type of coarse-grained intrusive igneous rock with a feldspathoid mineral content greater than 60%. Along with definition of Chert and Foidolite, get to know about Properties of Chert and Foidolite. Get to know more information about Chert and Foidolite origin and discoverer, etymology and class.

History of Chert and Foidolite

The history of Chert and Foidolite 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.

Chert and Foidolite Origin and Discoverer

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

Etymology of Chert and Foidolite

Along with Chert and Foidolite definition, know more about the etymology of Chert and Foidolite. Etymology of Chert and Foidolite gives information about origin and formation of a particular rock. Know more about Formation of Chert and Formation of Foidolite. The etymology of Chert is From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use while that of Foidolite is From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Chert belongs to Sedimentary Rocks while Foidolite belongs to Igneous Rocks. The sub-class, group and other categories of Chert and Foidolite are listed below.

For Chert,

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

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