Shale and Gritstone Definition

Definition of Shale and Gritstone

The general Shale and Gritstone 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, Gritstone or grit is a hard, coarse-grained, siliceous sandstone. Along with definition of Shale and Gritstone, get to know about Properties of Shale and Gritstone. Get to know more information about Shale and Gritstone origin and discoverer, etymology and class.

History of Shale and Gritstone

The history of Shale and Gritstone 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 Gritstone Origin and Discoverer

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

Etymology of Shale and Gritstone

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

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