structure of the earth

Pregunta	Respuesta
what does the inner core consist of?	it is solid and consist of iron & nickel
what is the density of the inner core?	Density of about 13.6g/cm3 and it is 5 times denser than the surface rocks.
what is the outer core?	it is liquid , comprising mostly iron
what is the density of the outer core?	it has a density of 10-12g/cm3
'the outer core is responsible for the..'	earths magnetic field
'the mantle is...	solid, containing lower density material , peridotite formed of silicate minerals
how thick is the mantle?	2900km
what is the crust made out of?	it is solid and divided into two main types OCEANIC and CONTINENTAL
the depth of the crust varies between..	6km-70km
the average density of the crust ..	3g/cm3
the mantle and crust are divided into what sections?	lithosphere asthenosphere mesophere
where is the lithosphere	the crust and upper section of the mantle
asthenosphere is ..	the upper part of the mantle that is molten
mesosphere is..	the lower part of the mantle(solid)
what are the characteristics of continental crust	thickness-30-70km denisity-2.7g/cm3 rock type-granite mineral content- silica&aluminium (SIAL)
what are the characteristics of the oceanic plate?	thickness-5-9km density-3.0g/cm3 rock type-basalt m.content- silica&magnesium (SIMA)

Resumen del Recurso

	Creado por steph_narciso hace más de 12 años