Deep beneath California's Sierra Nevada mountains, geologists have found evidence of Earth's rigid outer layer sinking into ...

The processes that form continental crust from the denser basaltic rocks of the upper mantle may make the lower lithosphere ...

the lavas are alkali basalts displaying trace element and isotopic variations that indicate mixing between the deep mantle plume source and the lithospheric mantle source of la grille. this study ...

Abstract: Experimental studies of mantle petrology ... features of hydrated and carbonated peridotite melting; in particular, it captures the production of low-degree, volatile-rich melt at depths far ...