3He abundances; MORB vs OIB. Gonnermann & Mukhopadhyay with additions MORB degassing Seawater, air, trapped exsolved gases, shallow mantle mixing OIB.
Temperatures in the upper 200 km of the mantle are ~200 K higher than assumed in canonical geotherms* Don L. Anderson Because of… 1.Anharmonicity, anisotropy,
1) Earth’s internal heat engine. 2) Earth’s magnetic field. 3) Intro. to Seismology: Tools for seeing into the Earth’s interior. (Chaps. 2-4) TODAY’s LECTURE:
Chapter 22.1: The Geosphere Geology = The study of the planet E.’s composition & structure.
Eclogite Engine
Because of… Anharmonicity , anisotropy, anelasticity 2. Non-linear conductivity (insulation)
