Crust example sentences

The convectional currents split the crust into a number of pieces, thus leading to the drifting of the Indo-Australian plate after being separated from the Gondwana land, towards north.Half of the earth's crust is composed of feldspar.A volcano is a vent (opening) in the earth's crust through which molten material erupts suddenly.Aluminium is the most abundant metal and the third most abundant element in the earth's crust ( 3% by mass) after oxygen (4 5%) and Si (2 7%).It also occurs extensively in the combined form in the Earth's crust as well as also in the air in the form of carbon dioxide.But what is the soil and how is it formed? The outermost layer of our Earth is called the crust and the minerals found in this layer supply a variety of nutrients to life-forms.Petrol, diesel and kerosene oil are obtained by the fractional distillation of petroleum found under the earth's crust.In the crust, it is found as the oxides of most metals and silicon, and also as carbonate, sulphate, nitrate and other minerals.Carbon (C), silicon (Si), germanium (Ge), tin (Sn) and lead (Pb) are the members of group 1 Carbon is the seventeenth most abundant element by mass in the earth's crust.The outer crust of the Earth is called the lithosphere.Silicon is the second (2 7 % by mass) most abundant element on the earth's crust and is present in nature in the form of silica and silicates.Antennal glands or green glands perform the excretory function in crustaceans like prawns.The total volume of workable mineral deposits is an insignificant fraction i.e. one per cent of the earth s crust.The place in the crust where the movement starts is called the focus.The abundance of boron in earth crust is less than 0.