Characteristics of Shale
Many rocks have distinct characteristics. Some of the Properties of Shale are hardness, structure, streak, fracture etc. Shale is significant as it is composed of minerals and has variety of uses in our day to day life. The characteristics of Shale plays an important role in its identification.
The hardness of Shale is 3 on Moh’s hardness scale. Rocks according to their hardness are divided into:Hard Rocks, Soft Rocks and Rocks with Medium Hardness.
Fracture of Shale rock is not available. Its specific heat capacity is 0.39 kJ/Kg K. Shale is heat resistant, impact resistant. Some of its uses are:
- Interior Uses: Decorative aggregates, Homes and Interior decoration.
- Construction Industry: Cement manufacture, Construction aggregate, For road aggregate, Making natural cement, Raw material for the manufacture of mortar.
Know more about Shale rock in the next section.
More About Shale
Shale is a type of Sedimentary Rocks. The color of rock is one of its important property. Shale rock is available in black, brown, buff, green, grey, red, yellow colors. It is Muddy in appearance. The Shale mineral content includes Albite, Biotite, Calcite, Chert, Chlorite, Dolomite, Hematite, Micas, Muscovite or Illite, Pyrite, Quartz, Silica, Sulfides. Its compound content includes Ca, Fe, Mg, Silicon Dioxide, Sodium. Let’s move on to the types of Shale. The types of Shale include Red Shale, Black Shale, Green Shale, Grey Shale and Yellow Shale.
Fossils are the remains of prehistoric plants or animals which are embedded in rock and preserved in petrified form. Fossils are found only in sedimentary rocks. As Shale belongs to Sedimentary Rocks, fossils are found in it.