What is shale and what is sedimentary?

Shale is a type of sedimentary rock, and sedimentary rock is the name of the category, including a class of rocks, and also shale.

Shale is a type of sedimentary rock. Shale is a type of sedimentary rock, which is made up of some substances in the land that have been hardened into a tiny granular stone over time and various winds and rains. Shale is a very complex rock, shale will contain crystals of other rocks, and shale can not penetrate water like land, water cannot penetrate shale.

Therefore, where the shale exists, a kind of isolation layer will be formed to isolate the water from the shale.

Uses of shale:

The use of shale includes as a carrier, when producing feed, feed additives and bio-organic fertilizer, a certain amount of shale should be added to promote the growth and weight gain of livestock, poultry and fish, and the quality of shale varies greatly from different origins and different types.

Shale is dominated by clay-like minerals (kaolinite.

mica, etc.), with obvious thin-bedded structure. According to the different compositions, it is divided into carbonaceous shale, calcareous shale, sandy shale, siliceous shale, etc.

Shale is a type of sedimentary rock.

Shale is a rock formed by high acres of clay dehydrated gum. It is dominated by clay minerals (kaolinite, hydromica, etc.), and has a thin-bedded structure with obvious Qi noisy forest. According to different compositions, it is divided into carbonaceous shale, calcareous shale, sandy shale, siliceous shale, etc.

The siliceous shale is slightly stronger, the rest is weaker, and the rock block has a compressive strength of MPA or less. After immersion in water, it is easy to soften and expand, the deformation modulus is small, and the anti-slip stability is very poor.

Chemical properties

Different shale has different chemical composition indexes, and the chemical composition of shale in nature changes greatly.

In general, the SiO2 content of shale fluctuates between 45% and 80%, the amount of Al2O3 fluctuates between 12% and 25%, the Fe2O3 content fluctuates between 2% and 10%, the CAO content fluctuates between and the MGO content.

The above content reference: Encyclopedia - Shale.

Shale isA type of sedimentary rock, which is made up of some materials in the land that have been hardened into a tiny granular stone over time and various winds and rains

Sedimentary rock is on the surface of the geological layer, some rock particles on the sedimentary rock are gradually formed after the continuous change of the climate of nature and the destruction of nature, this rock is one of the main rocks in the lithosphere of the earth, there are many types of sedimentary rocks, shale is one of them.

Shale is a very complex kind of rock, shale will contain other rock crystals, and shale can not penetrate water like land, water can not penetrate shale, so where shale exists, it will form an isolation layer to isolate water from shale.

Physical properties of shale

The hardness of shale is generally Platts hardness coefficient, the structure is relatively dense, and its Platts hardness coefficient can reach 4 5, and some hard shale hardness is higher. The grain composition of shale is related to its natural grain size and diagenetic reasons, and the fluctuation range of grain composition changes is large, which affects other properties of shale.

Depending on the sedimentary conditions at the time of rock formation, the plasticity index of shale ranges from 5 23, and some shales even exceed this range. Therefore, the existing shale cannot actually be used as a raw material for sintered bricks.

The sensitivity of shale raw materials to drying is manifested in a variety of forms. It is usually measured by a drying sensitivity coefficient, which generally ranges between and may be higher for some shales with very high plasticity. The shrinkage rate of the drying line of shale also varies greatly depending on its species, and its variation range is in.