EESA06H3 Lecture 3: Lecture 3
Document Summary
Information about planetary interiors from meteorites: core, mantle & crust, mantle plumes, subducting lithospheric slabs. Lithospheric plates sliding over a softer asthenosphere: (cid:862)asthe(cid:374)o(cid:863) (cid:373)ea(cid:374)s (cid:449)eak (cid:862)isostas(cid:455)(cid:863): (cid:272)o(cid:374)ti(cid:374)e(cid:374)ts (cid:862)floati(cid:374)g(cid:863) o(cid:374) (cid:373)ore de(cid:374)se (cid:373)aterial, types of tectonic plates and plate margins: divergent, convergent & transform (how they interact) (cid:862)hotspots(cid:863) a(cid:374)d a(cid:271)solute plate movements. Idea of going into the (cid:272)enter of the earth not (cid:862)new(cid:863): Jules ver(cid:374)e"s (cid:862)jour(cid:374)e(cid:455) to the ce(cid:374)ter of the earth(cid:863) (cid:449)ritte(cid:374) i(cid:374) 18(cid:1010)(cid:1008). Earth"s (cid:272)rust (cid:271)e(cid:272)ause the(cid:455) (cid:449)a(cid:374)t to fi(cid:374)d out (cid:449)hat is i(cid:374) the (cid:373)a(cid:374)tle. It is a fault scarp that ushered in the study of seismology: study of earthquakes tell us about. Earth"s i(cid:374)terior, seismic risk analysis: can see offset of that resulted from earthquake where geologists realized that earthquakes were the product of movement along faults, earthquakes: movements along the faults, before, thought it was from weather, produced scarps. If monitoring station is near the focus, the p and.
