...rock that is formed from the rapid cooling of magnesium-rich and iron-rich lava; basalt. More than 90 percent of all volcanic rock...before. Olivine in magma is mainly made up of magnesium and iron and as the magma cools, the ratio of these two elements...
...and is lighter than asteroidal hydrogen, dissolved into the molten iron of the magma ocean. This hydrogen, through a process... then pulled inwards towards the young core by its attraction to iron; which being quite a heavy element sunk into the centre ...
...storm-wracked exoplanet with swirling clouds of iron and silicates has been spotted by an ...dark clouds,” says Lacour. “Convection moves around the clouds of silicate and iron particles, which disaggregate and rain down into the interior. This paints a...
... produced by swirling convective currents of molten iron 300 kilometres beneath our feet, is weakening...life on our planet. The electrical currents generated by slowly moving liquid iron in the outer core provides a protective shield for the planet. If...
...family. Eureka family members contain lots of olivine; a magnesium-iron silicate mineral that is common in Earth's subsurface. That ... ranges from pure magnesium silicate (MgSiO3) to pure ferrous iron silicate (FeSiO3) – and has more in common with ...
... shows the brightness of the surface as measured by reflected infrared radiation from the sun and red shows an iron-bearing mineral called pyroxene Real research - and political benefits South Korea has made some inroads...