P. Schmoldt, PhD - MTNet - DIAS

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9. Data collection and processing Geology Location of MT recording station Broadband and long-period Broadband only Railroad network Railroad line Fig. 9.1.: Location of PICASSO Phase I recording stations, together with the Spanish DC railroad network in the study area (black lines) on top of the surface geological map of Spain from the EnVision map of the USGS Energy Resources Program [2010]. Pins indicate the location of magnetotelluric recordings, with colours denoting sites where only broadband systems (blue pins) and both broadband and long-period systems (yellow pins) are used. 202
Location (degrees) Recording period (year = 2007) Latitude Longitude Long period system (Lemi417) Broadband system (Phoenix MTU5) Station pic001 40.5079 -2.6643 Oct,15 14:29:00.000 – Oct,24 10:51:09.000 Oct,15 17:59:59 – Oct,20 15:57:59 pic002 40.4086 -2.6800 Oct,20 18:59:59 – Oct,23 08:43:36 pic003 40.3309 -2.6881 Oct,16 13:37:00.000 – Oct,24 12:42:23.750 Oct,16 17:59:59 – Oct,23 11:44:26 pic004 40.1954 -2.6933 Oct,23 17:59:59 – Oct,26 08:09:18 pic005 40.1015 -2.6706 Oct,17 10:52:00.000 – Oct,26 09:48:59.750 Oct,17 17:59:59 – Oct,20 09:33:57 pic007 39.8547 -2.7641 Oct,17 16:47:43.750 – Oct,27 08:26:41.500 Oct,17 17:59:59 – Oct,20 09:25:23 pic009 39.6889 -2.7178 Oct,26 16:41:00.000 – Nov,03 09:52:43.750 Oct,26 17:59:59 – Oct,28 08:53:40 pic011 39.5061 -2.7577 Oct,19 14:38:00.000 – Oct,28 10:26:17.750 Oct,19 17:59:59 – Oct,22 09:03:12 pic013 39.3324 -2.7359 Oct,21 11:57:00.000 – Oct,29 15:25:20.750 Oct,23 17:59:59 – Oct,25 08:10:26 pic015 39.1420 -2.7862 Oct,22 13:52:00.000 – Oct,30 16:29:45.750 Oct,22 17:59:59 – Oct,25 10:36:41 pic017 38.9727 -2.7746 Oct,25 16:25:47.000 – Nov,03 08:13:43.750 Oct,25 17:59:59 – Oct,30 00:47:23 pic019 38.7690 -2.7821 Oct,26 14:02:00.000 – Nov,05 12:17:39.750 Oct,26 17:59:59 – Oct,29 09:03:02 pic020 38.6884 -2.7903 Oct,15 17:59:59 – Nov,19 21:20:23 pic022 38.5443 -2.7926 Oct,30 16:21:00.000 – Nov,08 14:03:51.750 Oct,31 15:59:59 – Nov,02 12:17:48 pic023 38.4524 -2.8141 Oct,28 18:08:00.000 – Nov,08 15:35:31.750 Oct,28 18:59:59 – Nov,01 23:21:23 pic025 38.2934 -2.8241 Nov,08 11:53:00.000 – Nov,17 11:05:17.750 Nov,10 17:59:59 – Nov,12 08:08:30 pic027 38.1450 -2.9245 Nov,07 14:58:00.000 – Nov,15 17:11:43.750 Nov,07 17:59:59 – Nov,10 14:37:12 pic029 37.9612 -2.9646 Nov,10 15:14:00.000 – Nov,21 10:20:35.750 Nov,10 17:59:59 – Nov,12 12:18:22 pic031 37.8095 -2.8696 Nov,11 13:42:26.000 – Nov,21 13:37:05.750 Nov,11 17:59:59 – Nov,13 11:50:47 pic033 37.6100 -2.8727 Nov,13 10:29:00.000 – Nov,21 14:50:51.750 Nov,17 17:59:59 – Nov,19 10:20:40 pic035 37.4344 -2.8741 Nov,14 14:00:00.000 – Nov,24 09:49:41.750 Nov,14 17:59:59 – Nov,16 17:21:40 pic037 37.2731 -2.9159 Nov,15 13:50:00.000 – Nov,24 08:03:17.750 Nov,15 17:59:59 – Nov,19 12:25:33 pic040 37.0247 -2.9244 Nov,18 14:50:00.000 – Nov,25 10:58:37.750 Nov,20 17:59:59 – Nov,22 08:45:27 pic041 36.9266 -2.9019 Nov,16 12:42:56.250 – Nov,25 09:37:46.000 Nov,16 17:59:59 – Nov,20 09:26:36 9.1. Profile location Tab. 9.1.: Location of magnetotelluric (MT) stations and recording duration of long-period (LEMI417 [Lviv Centre of Institute for Space Research, 2009]) and broadband (MTU5 [Phoenix Geophysics, 2005]) recording systems used for the PICASSO Phase I processing. 203
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Multidimensional isotropic and anis
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Contents 2.3. Deviation from plane
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Contents 8.3. Inversion of 3D model
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List of Figures 2.1. Amplitude of t
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List of Figures 4.17. Visual repres
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List of Figures 8.2. Ambient noise
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List of Figures 10.10.RMS misfit va
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List of Figures A.15.Result of anis
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List of Tables xviii 5.5. Parameter
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List of Acronyms FE finite element
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List of Symbols Below is a list of
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Symbol SI unit Denotation φ · pha
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Abstract The Tajo Basin and Betic C
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Publications Poster presentations x
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Acknowledgements Team, namely Colin
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Introduction 1 The Iberian Peninsul
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ections from enhanced one-dimension
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Part I Theoretical background of ma
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2. Sources for magnetotelluric reco
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Mathematical description of electro
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yields 3.2. Deriving magnetotelluri
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3.2. Deriving magnetotelluric param
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3.3. Magnetotelluric induction area
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Depth d s d 1 d 2 d n-2 d n-1 t 1 t
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3.4. Boundary conditions materials
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3.5. The influence of electric perm
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Distortion of magnetotelluric data
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4.1. Types of distortion Fig. 4.1.:
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J s 0 s 0 4.1. Types of distortion
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Scale Type Terminology Example Atom
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4.1. Types of distortion the use of
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4.2. Dimensionality Fig. 4.12.: The
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1D 2D local 3D/1D 3D/2D regional 4.
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4.3. General mathematical represent
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4.4. Removal of distortion effects
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Parameter Geoelectrical application
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4.4.5. Caldwell-Bibby-Brown phase t
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Method Applicability Swift angle 2D
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5. Earth’s properties observable
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6. Using magnetotellurics to gain i
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Part II Geology of the study area I
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7. Geology of the Iberian Peninsula
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Page 188 and 189: 7. Geology of the Iberian Peninsula
Page 205 and 206: Recovering a synthetic 3D subsurfac
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Page 213 and 214: 3D N45W 3D-crust TE Rho TE Phi Peri
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Page 217 and 218: Model variation RMS misfit Optimal
Page 219 and 220: Profile: 3D-crust (TM-only) Depth (
Page 221 and 222: Parameter Value 8.3. Inversion of 3
Page 223 and 224: Depth (km) 10 -2 10 -1 10 0 10 1 10
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Page 227 and 228: Step 1: Isotropic 2D inversion Step
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Page 231 and 232: 8.4. Summary and conclusions bution
Page 233 and 234: Regularisation order Smoothing para
Page 235 and 236: S N 1% 0 Depth (km) 3% Depth (km) 1
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Page 241 and 242: Geological region Stations Geologic
Page 243 and 244: 9.4. Segregation of data acquired w
Page 245 and 246: Phase (degrees) 135 90 45 0 Z xy -4
Page 247 and 248: 0 km 10 km 30 km 100 km 300 km Dept
Page 255 and 256: Pseudo-sections crustal strike dire
Page 257 and 258: 9.8. Analysis of vertical magnetic
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Page 262 and 263: 10. Data inversion WinGLink softwar
Page 264 and 265: a (horizontal smoothing) 10. Data i
Page 266 and 267: 10. Data inversion Short period ran
Page 268 and 269: 10. Data inversion TM+TE Depth (km)
Page 270 and 271: 10. Data inversion (a) Constrained
Page 272 and 273: 10. Data inversion the model into u
Page 274 and 275: 10. Data inversion Depth (km) S N 0
Page 276 and 277: Depth (km) 10. Data inversion S N 0
Page 278 and 279: 10. Data inversion Group velocity m
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10. Data inversion in the lithosphe
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10. Data inversion isotropic 2D lay
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10. Data inversion Depth (km) Depth
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10. Data inversion tigation is usua
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Depth (km) Depth (km) 10. Data inve
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Modelled Observed Modelled Observed
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Depth (km) 10. Data inversion 0 30
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10. Data inversion Depth off LAB (k
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10. Data inversion Depth (km) S 0 5
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10. Data inversion 10.3. Summary an
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10. Data inversion owing to availab
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11 Summary and conclusions The key
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11.2. PICASSO Phase I investigation
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A. Appendix Eocene 54 Ma 42 Ma 36 M
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A. Appendix A.2. Auxiliary informat
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A. Appendix 292 Fig. A.3.: Issues i
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A. Appendix A.2.4. Computation time
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296 3D-mantle profile Inversion res
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298 07-centre profile The profile 0
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300 3D-crust profile The profile 3D
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302 J-centre profile The J-centre p
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A. Appendix Anisotropy Resistivity
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A. Appendix A.4. Auxiliary figures
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A. Appendix 314 ρ TE(Ω−m) φ T
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A. Appendix 320 pic003 (off-diagona
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A. Appendix 322 pic013 (off-diagona
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Bibliography Abalos, B., J. Carrera
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Bibliography Artemieva, I. M. (2006
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Bibliography Berdichevsky, M., V. D
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Bibliography Cebriá, J.-M., and J.
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Bibliography de Vicente, G., J. Gin
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Bibliography Egbert, G. D., and J.
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Bibliography Ganapathy, R., and E.
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Bibliography Haak, V., and R. Hutto
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Bibliography Hutton, R. (1972), Som
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Bibliography Jones, A. G., and R. W
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Bibliography Kurtz, R. D., J. A. Cr
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Bibliography Lviv Centre of Institu
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Bibliography Merrill, R. T., and M.
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Bibliography Newman, G., and G. Hoh
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Bibliography Pádua, M. B., A. L. P
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Bibliography Prácser, E., and L. S
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Bibliography Ritter, J. R. R., M. J
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Bibliography Serson, P. H. (1973),
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Bibliography Spitzer, K. (2006), Ma
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Bibliography Tikhonov, A. N., and V
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Bibliography Wanamaker, B. J., and
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Bibliography Xu, Y., C. McCammon, a
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