On top is the relatively thin crust where we live ... has given us a glimpse into the composition of this mostly inaccessible layer of the Earth. You can read full details in the journal Science.
Within this general framework, my research has covered a range of subjects from global questions addressing the causes and development of mantle heterogeneity, the interaction of the Earth's mantle ...
The structure of the Earth comprises of the crust, mantle, outer core and inner ... The atmosphere and the environment The composition of the atmosphere has changed since the Earth was formed ...