Shale and Arkose Definition

Definition of Shale and Arkose

The general Shale and Arkose definition can be stated as: Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles. On the other hand, Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. Along with definition of Shale and Arkose, get to know about Properties of Shale and Arkose. Get to know more information about Shale and Arkose origin and discoverer, etymology and class.

History of Shale and Arkose

The history of Shale and Arkose 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.

Shale and Arkose Origin and Discoverer

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

Etymology of Shale and Arkose

Along with Shale and Arkose definition, know more about the etymology of Shale and Arkose. Etymology of Shale and Arkose gives information about origin and formation of a particular rock. Know more about Formation of Shale and Formation of Arkose. The etymology of Shale is From German Schalstein laminated limestone, and Schalgebirge layer of stone in stratified rock. From Old English scealu in its base sense of- thing that divides or separate, while that of Arkose is From German Schalstein laminated limestone, and Schalgebirge layer of stone in stratified rock. From Old English scealu in its base sense of- thing that divides or separate,. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Shale and Arkose belong to Sedimentary Rocks. The sub-class, group and other categories of Shale and Arkose are listed below.

For Shale,

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

For Arkose,

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