Chert and Oil shale Definition

Definition of Chert and Oil shale

The general Chert and Oil shale 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, Oil Shale is a fine-grained sedimentary rock from which oil is extracted. Along with definition of Chert and Oil shale, get to know about Properties of Chert and Oil shale. Get to know more information about Chert and Oil shale origin and discoverer, etymology and class.

History of Chert and Oil shale

The history of Chert and Oil shale 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 Oil shale Origin and Discoverer

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

Etymology of Chert and Oil shale

Along with Chert and Oil shale definition, know more about the etymology of Chert and Oil shale. Etymology of Chert and Oil shale gives information about origin and formation of a particular rock. Know more about Formation of Chert and Formation of Oil shale. 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 Oil shale 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 and Oil shale belong to Sedimentary Rocks. The sub-class, group and other categories of Chert and Oil shale are listed below.

For Chert,

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

For Oil shale,

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