Sentences with phrase «upper mantle carbonates»

It turned out that lower mantle carbonates should be iron - rich, unlike upper mantle carbonates (see figure 2 below).

Previous research had shown that upper mantle carbonates are magnesium - rich and iron - poor.

Not exact matches

Carbonates were known to exist in the upper mantle due to their role in the deep carbon cycle.

Laboratory experiments and the discovery of tiny bits of carbonate impurities in lower mantle diamonds indicated that carbonates could withstand the extreme pressures and temperatures of not only the upper mantle, but the lower mantle as well.