(1) It was not lacking any salt, and the crust was superb.(2) Geochemistry generally concerns the study of the distribution and cycling of elements in the crust of the earth.(3) The anorthosite rock then cooled to form a solid crust above the hot, liquid mantle.(4) Slab pull is the theory in which subduction of the earth's crust is thought to pull the plates apart.(5) So, if there was an early origin of life on the earth one expects that anything which was living in the upper layers of the crust to have been essentially sterilised.(6) A thin crust of coral is rooted in the sea bed by a fixture of limestone.(7) Below the crust is the mantle, a dense, hot layer of semi-solid rock approximately 2,900 km thick.(8) These include silicon dioxide, or silica, the most abundant mineral in Earth's mantle and crust .(9) In bread baking, you add a little bit of salt so that, instead of a lumpy, haphazard crust , you get gorgeous, round, smooth loaves.(10) a crust of snow(11) at the midocean ridge new crust is formed(12) Posh chefs would crust the top with a blow torch but I don't trust myself with a blow torch when I've lost count of the wine I've drunk.(13) Like always, he cut off the crust before eating it.(14) Earth's crust essentially floats on the denser mantle that behaves as a very viscous fluid.(15) Applied over time, these stresses cause the rocks of the crust to fold and fracture.(16) The and rain and hail came with strong winds which will crust the soil, making emergence of new plants difficult in some fields.