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Solid Earth sciences encompass the study of the crust, mantle and core of the Earth and other rocky planetary bodies. Earth sciences include petrology, mineralogy, seismology, core studies, mantle dynamics, tectonics, volcanology, metamorphism, sedimentology, geomagnetism, palaeomagnetism, hydrogeology, and geomorphology. Sedimentary rocks are also used to study palaeontology and palaeoclimate.
The trace-element compositions of mantle-derived basalts suggest that the asthenosphere has two distinct melt layers, with unique chemical compositions and physical properties.
In a part of the Apennines, where the Earth’s crust is thin and heat flow is high, production of CO2 from deep below the mountains dominates over near-surface weathering processes that consume this greenhouse gas. Ultimately, the magnitude of deep CO2 release tips the balance towards a landscape that is a net carbon emitter.
What every biologist should know about electronics, plus a disturbing outbreak of volcanism in North Carolina, in the weekly dip into Nature’s archive.
Researchers test geodynamic models for far-field continental deformation during the Laramide orogeny. New and existing thermal data show that the hot hinterland crust promoted lower crust mobility and crust-mantle decoupling during flat-slab traction.
The accumulation of partial melt at two distinct depth ranges in the asthenosphere is widespread, including in areas of mantle upflow, according to a study of Y/Yb compositions of oceanic and continental basalts.
The trace-element compositions of mantle-derived basalts suggest that the asthenosphere has two distinct melt layers, with unique chemical compositions and physical properties.
In a part of the Apennines, where the Earth’s crust is thin and heat flow is high, production of CO2 from deep below the mountains dominates over near-surface weathering processes that consume this greenhouse gas. Ultimately, the magnitude of deep CO2 release tips the balance towards a landscape that is a net carbon emitter.