Sediment example sentences

Sedimentation also meant that the flood plains were deprived of silt, a natural fertiliser, further adding on to the problem of land degradation.These ranges are composed of unconsolidated sediments brought down by rivers from the main Himalayan ranges located farther north.These hills running through the north-eastern states are mostly composed of strong sandstones which are sedimentary rocks.Mineral fuels such as coal and petroleum are also found in the sedimentary strata.It is found in sedimentary rocks of most geological formations.The crustal rocks (igneous, metamorphic and sedimentary) once formed may be carried down into the mantle (interior of the earth) through subduction process (parts or whole of crustal plates going down under another plate in zones of plate convergence) and the same melt down due to increase in temperature in the interior and turn into molten magma, the original source for igneous rocks.The word 'sedimentary' is derived from the Latin word sedimentum, which means settling.Sedimentary rock formations of plains and young fold mountains contain non-metallic minerals like limestone.Due to this collision, the sedimentary rocks which were accumulated in the geosyncline known as the Tethys were folded to form the mountain system of western Asia and Himalaya.Regulating and damming of rivers affect their natural flow causing poor sediment flow and excessive sedimentation at the bottom of the reservoir, resulting in rockier stream beds and poorer habitats for the rivers' aquatic life.The sea waves deposit sediments along the shores forming beaches.Igneous rocks are primary rocks and other rocks (sedimentary and metamorphic) form from these primary rocks.Some are found in igneous rocks, some in metamorphic rocks while others occur in sedimentary rocks.In due course of time this depression, gradually got filled with deposition of sediments by the rivers flowing from the mountains in the north and the peninsular plateau in the south.Another group of sedimentary minerals include gypsum, potash salt and sodium salt.