Siltstone formation

Silica sandstones vary in color and vary with the composition of the mixture. Siltstone is formed in an environment that has been transported over long distances, with relatively quiet hydrodynamic conditions and slow deposition rates. It can be graded into sandstone or clay rock in the lateral and longitudinal directions and constitutes a rhythmic bedding. Siltstone is formed under weak hydrodynamic conditions and often accumulates in lagoons, lakes, swamps, floodplains, deltas and sea basins.

Layered rocks may have been weathered for thousands of years and are visible to the naked eye. These layers are composed of various materials and minerals including silica, iron oxide, calcite, chlorite, quartz, feldspar, alumina, and potassium carbonate. The color of the rock formed by minerals, usually black, sand brown or gray. Although rocks are found all over the world, siltstones are only found in forests or in tropical regions, and usually siltstones are found in coal mine roadways.

Diffused Silicon Pressure Sensor

The diffusion silicon Pressure Sensor adopts the diffusion silicon piezoresistive pressure sensor with stainless steel isolation film as the signal measuring element, the signal processing circuit is located in the stainless steel housing, the sensor signal is converted into standard 4-20mA current or RS485 signal output through the professional signal conditioning circuit. Widely used in petroleum, chemical, metallurgy, electric power and other industrial process on-site measurement and control.

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