Physics of the Earth's Crust

amount anticlinals appears areas assumed attraction basalt become beneath the ocean bottom calculated cause centre of gravity chapter column compression condition consequently continental crust convection currents cooling crust beneath cubic foot datum level dense denudation deposits depressions depth earth earth's crust effect elevated equal equation equilibrium eruption estimate feet fissures fluid geological globe greater Hence Henry's law horizontal hydrostatic equilibrium hypothesis increase of temperature interior islands k₁ Kilauea latent heat lava layer less liquid substratum lower magma Mallet mass mean height mean level melting temperature molten mountain neutral zone observations phenomena portion present pressure probably produced Prof radius regions result rigidity rock sea level sediment shear shell solid solid globe solidification strain strata stratum suboceanic crust substance suppose supposition theory thickening thickness tide tract upper vertical volcanic volume whole