Features of Shale
Along with Shale types and facts, Shale has many features based on its properties which leads to variety of its uses. Apart from various types of rocks, there are few features that are distinct for each and every rock. Features of Shale include: easily splits into thin plates, generally rough to touch, very fine grained rock. Shale rock is used for making sculpture and figurines.
Get to know more about Shale monuments in this section. Monuments are living examples which take us thousand years back in the history and play an important role in the heritage of a country. Many rocks, due to their exceptional physical properties are used to build various monuments. Shale is used for building monuments. The archaeological significance of Shale is based on various factors like hardness, porosity, toughness, luster, appearance etc. Some rocks based on their hardness were used for creating rock art like Pictographs and Petroglyphs. The oldest known rock art is from the Upper Palaeolithic period and were found in Europe, Australia, Asia and Africa. Pictographs are paintings or drawings that have been placed on the rock face and they are mostly found in caves, rock shelters and areas with dry climates while Petroglyphs are images which are carved into a rock. Shale rock was used for making Pictographs and Petroglyphs.
Know about Shale fossils in this section. Fossils are preserved remains of animals, plants and other organisms from the past. They are generally found in sedimentary rocks. As Shale belongs to Sedimentary Rocks, fossils are found in Shale. Geologists keep a fossil record of rocks as they represent the remains of extinct organisms. The fossils found in rocks differ as they are from different ages. The study of fossils gives information about the change in life on earth with respect to time.