Thoughts of an MT mind
Roadmap...
EM methods (1)...
EM methods (2)...
Theory
Maxwell’s Equations
Ampere’s & Gauss’ Laws
Faraday-Henry Law
Faraday’s announcement
Other relationships….
Ohm’s Law….
Parameter measured: electrical resistivity Range...
Conduction mechanisms...
Electronic conduction - sulphides: THOT/NACP
Electronic conduction - graphite: AB
MT method...
MT advantages...
MT signals….
MT time series
PPT Slide
Skin Depth….
MT 1D response….
Shallow studies….
AMT signal analysis
AMT signal variation
Crustal studies….
EMSLAB: ElectroMagnetic Study of the Lithosphere, Asthenosphere and Beyond: Juan de Fuca
Southern Appalachians: Conductivity Model
INDEPTH: INternational DEep Profiling of Tibet and the Himalaya
INDEPTH: Tibet topography
INDEPTH-MT
INDEPTH-MT model
INDEPTH model
Western Churchill
WC: teleseismic results
WC: MT results
Western Churchill - MT model
Western Churchill - Results
Mantle studies….
Lithosphere….?
Partial melt…
Asthenosphere below NW Baltic Shield
Diamonds are forever….
Geophysical problem….
SNORCLE
Slave craton EM studies….
Site 106 1D Models
Site 106 1D Model with 70-80 km layer
Tibbet Lake - Nahanni lithospheric resistivity
Tibbet Lake - Nahanni lithospheric anisotropy
MT mantle conclusions
Carty Lake experiment…
Carty Lake GA inversions…
Conclusions…
Merry chrisTmas
Email: [email protected]
Home Page: http://www.cg.nrcan.gc.ca/staff/jones