Shale and Trachyte Definition

Definition of Shale and Trachyte

The general Shale and Trachyte 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, Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar. Along with definition of Shale and Trachyte, get to know about Properties of Shale and Trachyte. Get to know more information about Shale and Trachyte origin and discoverer, etymology and class.

History of Shale and Trachyte

The history of Shale and Trachyte 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 Trachyte Origin and Discoverer

Shale and Trachyte definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Shale and Trachyte. In this section, you will know about Shale and Trachyte Origin and Discoverer. Origin of Shale and Trachyte are . It is interesting to know the name of Shale and Trachyte discoverer. The Discoverer of Shale is Johann Gottlob Lehmann and the discoverer of Trachyte is Alexandre Brongniart and René Just Haüy.

Etymology of Shale and Trachyte

Along with Shale and Trachyte definition, know more about the etymology of Shale and Trachyte. Etymology of Shale and Trachyte gives information about origin and formation of a particular rock. Know more about Formation of Shale and Formation of Trachyte. 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 Trachyte 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 belongs to Sedimentary Rocks while Trachyte belongs to Igneous Rocks. The sub-class, group and other categories of Shale and Trachyte are listed below.

For Shale,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group:
• Other Categories: Fine grained rock and Opaque rock

For Trachyte,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Volcanic
• Other Categories: Fine grained rock and Opaque rock