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The biggest-ever sample of core material from Earth's mantle could have valuable clues into the origins of lifeThe upper mantle also wells up so that no gap opens ... This melting occurred as the mantle rose from deeper parts of the Earth towards the surface. The rocks reached the surface through a process ...
The findings from the upper mantle therefore require there to be complementary enriched material somewhere else. Second, several isotopically distinct components can be traced in volcanic rocks ...
The ice sheet is bending the rocky crust beneath at a rate of 0.13 millimetres per year. Mars's upper mantle is stiff, with a viscosity 10 to 100 times higher than Earth's. Focus: Planetary research, ...
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