Conveners
Highlight talk on the Solid Earth and its Structure: Highlight talk
- Gerhard Graham (CTBTO Preparatory Commission, Vienna, Austria)
Ms
Barbara Romanowicz
(University of California, Berkeley, CA, USA)
29/06/2021, 13:30
Backbone elements
Highlight talk
Forty years ago, the first global seismic tomographic models revealed the presence of two large, antipodal, structures at the base of the Earth's mantle, now known as "large low shear velocity provinces" (LLSVPs), that had no obvious relation to surface geology or mantle dynamics as understood from plate tectonics theory, and as reflected in near surface seismic structure.
With the expansion...