Shale and Borolanite Definition

Definition of Shale and Borolanite

The general Shale and Borolanite 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, Borolanite is a variety of Nepheline Syenite and belongs to igneous rocks and contains nepheline-alkali feldspar pseudomorphs which occur as conspicuous white spots in the dark rock matrix. Along with definition of Shale and Borolanite, get to know about Properties of Shale and Borolanite. Get to know more information about Shale and Borolanite origin and discoverer, etymology and class.

History of Shale and Borolanite

The history of Shale and Borolanite 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 Borolanite Origin and Discoverer

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

Etymology of Shale and Borolanite

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

For Shale,

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

For Borolanite,

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