Arkose and Siltstone Definition

Definition of Arkose and Siltstone

The general Arkose and Siltstone definition can be stated as: Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. On the other hand, Siltstone can be defined as a fine-grained sedimentary rock which mainly consists of consolidated silt. Along with definition of Arkose and Siltstone, get to know about Properties of Arkose and Siltstone. Get to know more information about Arkose and Siltstone origin and discoverer, etymology and class.

History of Arkose and Siltstone

The history of Arkose and Siltstone 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.

Arkose and Siltstone Origin and Discoverer

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

Etymology of Arkose and Siltstone

Along with Arkose and Siltstone definition, know more about the etymology of Arkose and Siltstone. Etymology of Arkose and Siltstone gives information about origin and formation of a particular rock. Know more about Formation of Arkose and Formation of Siltstone. The etymology of Arkose is From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones while that of Siltstone is From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Arkose and Siltstone belong to Sedimentary Rocks. The sub-class, group and other categories of Arkose and Siltstone are listed below.

For Arkose,

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

For Siltstone,

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