Trends of 'incipit'. Used Rarely. incipit is in the lower 50% of commonly used words in the Collins dictionary.
At the MOR, molten rock is carried upward towards the surface via convection, where new oceanic lithosphere is generated (usually as an fine-grained igneous rock known as basalt) and the plates are further pushed away from the spreading center.
Oceanic lithosphere consists mainly of mafic crust and ultramafic mantle (peridotite) and is denser than continental lithosphere, for which the mantle is associated with crust made of felsic rocks. Oceanic lithosphere, which is associated with oceanic crust and exists in the ocean basins (mean density of about 2.9 grams per cubic centimeter). 2  Continental lithosphere, which is associated with continental crust (mean density of about 2.7 grams per cubic centimeter).