Heterogeneity and seismic scattering in exploration environments

Tectonophysics

Volumn 472, Issue 1-4, 2009, Pages 264-272

  L'Heureux, E ^a   Milkereit, B ^a   Vasudevan, K ^b  

^a UNIVERSITY OF TORONTO   (Canada)

^b UNIVERSITY OF CALGARY   (Canada)

Author keywords

Heterogeneity; Mineral exploration; Numerical modeling; Seismic scattering

Indexed keywords

ACQUISITION PARAMETERS; ARCHEAN; HETEROGENEITY; IMPACT STRUCTURES; NUMERICAL MODELING; PETROPHYSICAL PROPERTIES; SCALE LENGTH; SCATTERING REGIME; SEISMIC EXPLORATION; SEISMIC SCATTERING; SEISMIC SECTIONS; SHAPE AND SIZE; SOURCE FREQUENCY; SYNTHETIC SEISMOGRAM;

COMPUTER SIMULATION; CRYSTALLINE MATERIALS; GEOLOGICAL SURVEYS; MINERAL EXPLORATION; MINERALS; MINING; SCATTERING; SEISMIC PROSPECTING; SIGNAL TO NOISE RATIO; SILICATE MINERALS; SULFIDE MINERALS;

SEISMOLOGY;

DATA ACQUISITION; HETEROGENEITY; MINERAL EXPLORATION; NUMERICAL MODEL; SEISMIC WAVE; SIGNAL-TO-NOISE RATIO; SYNTHETIC SEISMOGRAM; WAVE SCATTERING; WAVELENGTH;

CANADA; CANADIAN SHIELD; NORTH AMERICA; ONTARIO [CANADA]; SUDBURY;

EID: 67349253557     PISSN: 00401951     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tecto.2008.04.001     Document Type: Article

References (28)

1. Boerner D.E., and Milkereit B. Structural evolution of the Sudbury impact structure in the light of seismic reflection data. In: Dressler B.O., and Sharpton V.L. (Eds). Large Meteorite Impacts and Planetary Evolution II. Geological Society of America Special Paper 339, Boulder (1999) 419-429
2. Boerner D.E., Milkereit B., and Davidson A. Geoscience impact: a synthesis of studies of the Sudbury structure. Canadian Journal of Earth Science 37 (2000) 477-510
3. Bohlen T. Parallel 3-D viscoelastic finite difference modelling. Computers and Geosciences 28 (2002) 887-899
4. Bohlen T., Müller C., and Milkereit B. Elastic seismic-wave scattering from massive sulfide orebodies: on the role of composition and shape. In: Eaton D., Milkereit B., and Salisbury M. (Eds). Hardrock seismic exploration (2003), SEG, Tulsa 70-89
5. Buchan K.L., and Ernst R.E. Onaping fault system: age constraints on deformation of the Kapuskasing structural zone and units underlying the Sudbury structure. Canadian Journal of Earth Sciences 31 (1994) 1197-1205
6. Eaton D. Weak elastic-wave scattering from massive sulfide orebodies. Geophysics 64 1 (1999) 289-299
7. Frankel A., and Clayton R.W. Finite difference simulations of seismic scattering: implications for the propagation of short-period seismic waves in the crust and models of crustal heterogeneity. Journal of Geophysical Research 91 B6 (1986) 6465-6489
8. Goff J.A., and Jordan T.H. Stochastic modeling of seafloor morphology: inversion of sea beam data for second-order statistics. Journal of Geophysical Research 93 B11 (1988) 13589-13608
9. Goff J.A., and Holliger K. Nature and origin of upper crustal seismic velocity fluctuations and associated scaling properties: combined stochastic analyses of KTB velocity and lithology logs. Journal of Geophysical Research 104 B6 (1999) 13169-13182
10. Goff J.A., Holliger K., and Levander A. Modal fields: a new method for characterization of random seismic velocity heterogeneity. Geophysical Research Letters 21(6) (1994) 493-496
11. Holliger K. Upper-crustal seismic heterogeneity as derived from a variety of P-wave sonic logs. Geophysical Journal International 125 (1996) 813-829
12. Holliger K., and Levander R. A stochastic view of lower crustal fabric based on evidence from the Ivrea zone. Geophysical Research Letters 19 11 (1992) 1153-1156
13. Holliger K., and Levander R. Structure and seismic response of extended continental crust: stochastic analysis of the Strona-Ceneri and Ivrea zones, Italy. Geology 22 (1994) 79-82
14. Holliger K., Green A.G., and Juhlin C. Stochastic analysis of sonic logs from the upper crystalline crust: methodology. Tectonophysics 264 (1996) 341-356
15. Karp T., Milkereit B., Janle P., Danuor S.K., Pohl J., Berckhemer H., and Scholz C.A. Seismic investigation of the Lake Bosumtwi impact crater: preliminary results. Planetary and Space Science 50 (2002) 735-743
16. Koeberl C., Bottomley R., Glass B.P., and Storzer D. Geochemistry and age of Ivory Coast tektites and microtektites. Geochimica et Cosmochimica Acta 61 (1997) 1745-1772
17. Krogh T.E., Davis D.W., and Corfu F. Precise U-Pb zircon and baddeleyite ages for the Sudbury area. In: Pye E.G., Naldrett A.J., and Giblin P.E. (Eds). The Geology and Ore Deposits of the Sudbury Structure. Ontario Geological Survey Special Volume 1 (1984) 431-446
18. Levander A., Hobbs R.W., Smith S.K., England R.W., Snyder D.B., and Holliger K. The crust as a heterogeneous "optical" medium, or "crocodiles in the mist". Tectonophysics 232 (1994) 281-297
19. L'Heureux E., and Milkereit B. Impactites as a random medium - using variations in physical properties to assess heterogeneity within the Bosumtwi meteorite impact crater. Meteoritics and Planetary Science, Meteoritics and Planetary Science 42 4/5 (2007) 849-858
20. Martini F., Bean C.J., Dolan S., and Marsan D. Seismic image quality beneath strongly scattering structures and implications for lower crustal imaging: numerical simulations. Geophysical Journal International 145 (2001) 423-435
21. Milkereit B., and Eaton D. Imaging and interpreting the shallow crystalline crust. Tectonophysics 286 (1998) 5-18
22. Milkereit B., White D.J., and Green A.G. Towards an improved seismic imaging technique for crustal structures: The Lithoprobe Sudbury experiment. Geophysical Research Letters 21 10 (1994) 927-930
23. Milkereit B., Berrer E.K., King A.R., Watts A.H., Roberts B., Adam E., Eaton D.W., Wu J., and Salisbury M.H. Development of 3-D seismic exploration technology for deep nickel-copper deposits - a case history from the Sudbury Basin, Canada. Geophysics 65 6 (2000) 1890-1899
24. Salisbury M.H., Milkereit B., Ascough G., Adair R., Matthews L., Schmitt D.R., Mwenifumbo J., Eaton D.W., and Wu J. Physical properties and seismic imaging of massive sulfides. Geophysics 65 6 (2000) 1882-1889
25. Salisbury M., Harvey C.W., and Matthews L. The acoustic properties of ores and host rocks in hardrock terranes. In: Eaton D., Milkereit B., and Salisbury M. (Eds). Hardrock Seismic Exploration (2003), Hardrock seismic exploration, SEG, Tulsa 9-19
26. Scholz C.A., Karp T., Brooks K.M., Milkereit B., Amoako P., and Arko J.A. Pronounced central uplift identified in the Bosumtwi impact structure, Ghana, using multichannel seismic reflection data. Geology 30 10 (2002) 939-942
27. Wu R. Seismic wave scattering. In: James D.E. (Ed). The Encyclopedia of Solid Earth Geophysics (1989), Van Nostrand Reinhold, New York 1166-1187
28. Wu R.-S., Xu Z., and Li X.-P. Heterogeneity spectrum and scale-anisotropy in the upper crust revealed by the German Continental Deep-Drilling (KTB) holes. Geophysical Research Letters 21(10) (1994) 911-914