Limestone example sentences

These communities have used hundreds of indigenous water saving methods to capture every trickle of water that had fallen on their land; dug small pits and lakes, put in place simple watershed systems, built small earthen dams, constructed dykes, sand and limestone reservoirs, set up rooftop water-collecting units.Some rocks, for instance limestone, consist of a single mineral only, but majority of the rock consist of several minerals in varying proportions.The exhaust gases containing unburnt fuel, CO and NOx, when pass through the converter at 573 K, are converted into CO2 and N We can also reduce the acidity of the soil by adding powdered limestone to neutralise the acidity of the soil.Limestone deposits of Caucasus region of France, manganese deposits of Georgia and Ukraine and phosphate beds of Algeria are some examples.Limestone is the basic raw material for the cement industry and essential for smelting iron ore in the blast furnace.The oil bearing layer is a porous limestone or sandstone through which oil may flow.Limestone, mica and gypsum are examples of such minerals.The mineral processing like grinding of limestone for cement industry and calcite and soapstone for ceramic industry generate huge quantity of dust in the atmosphere.The inputs for the industry include raw materials such as iron ore, coal and limestone, along with labour, capital, site and other infrastructure.Carbon dioxide (CO2) is released into the atmosphere by respiration, burning of fossil fuels for energy, and by decomposition of limestone during the manufacture of cement.Abrasive minerals like silica, limestone, aluminium oxide and various phosphate minerals do the cleaning.But the increase in combustion of fossil fuels and decomposition of limestone for cement manufacture in recent years seem to increase the CO2 content of the atmosphere.are examples; organically formed— geyserite, chalk, limestone, coal etc.Limestone is found in association with rocks composed of calcium carbonates or calcium and magnesium carbonates.Sedimentary rock formations of plains and young fold mountains contain non-metallic minerals like limestone.