A lower crustal "bright spot" under the Bay of Plenty, North Island, New Zealand

Tectonophysics

Volumn 472, Issue 1-4, 2009, Pages 62-71

  Bannister, S ^a   Davey, F ^a   Woodward, D ^a  

^a GNS SCIENCE   (New Zealand)

Author keywords

Bright spot reflection; Lower crust; New Zealand; Seismic reflection

Indexed keywords

BRIGHT SPOT REFLECTION; BRIGHT SPOTS; FRESNEL ZONES; GEOLOGICAL SETTING; LOWER CRUST; MAFIC SILLS; MAGMA BODIES; NEW ZEALAND; PARTIAL MELT; POINT REFLECTOR; SEISMIC REFLECTION; SEISMIC REFLECTIONS; SEISMIC SECTIONS; SHEAR ZONE; SPATIAL RELATIONSHIPS; TAUPO VOLCANIC ZONE; THIN LAYERS;

ACOUSTIC IMPEDANCE; SEISMIC WAVES; SEISMOLOGY; WAVE EQUATIONS;

ACOUSTIC WAVE REFLECTION;

GEOLOGICAL SURVEY; LOWER CRUST; MAGMA CHAMBER; RIFTING; SEISMIC REFLECTION; SHEAR ZONE; STACKING; WAVELET ANALYSIS;

AUSTRALASIA; BAY OF PLENTY; NEW ZEALAND; NORTH ISLAND; TAUPO VOLCANIC ZONE;

EID: 67349102283     PISSN: 00401951     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tecto.2008.09.044     Document Type: Article

References (52)

1. Andrier J.F. Elastic finite difference modelling of lower crustal reflections. Pageoph. 136 2-3 (1991) 281-296 10.1007/BF00876378
2. Bibby H.M., Caldwell T.G., Davey F.J., Webb T.H., Simmons S.F., and Weaver S.D. Geophysical evidence on the structure of the Taupo volcanic zone and its hydrothermal circulation, Taupo, New Zealand. J. Volcanol. Geotherm. Res. 68 (1995) 29-58
3. Brocher T.M. Geometry and physical properties of the Socorro, New Mexico, magma bodies. J. Geophys. Res. 86 (1981) 9420-9432
4. Brown L.D., Chapin C.E., Sanford A.R., Kaufman S., and Oliver J.E. Deep structure of the Rio Grande Rift from seismic reflection profiling. J. Geophys. Res. (1980) 4773-4800
5. Bruhl M., Vermeer G.J.O., and Kiehn M. Fresnel zones for broadband data. Geophysics 61 2 (1996) 600-604
6. Cole J.W. Taupo-Rotorua Depression - an ensialic marginal basin of North Island, New Zealand. Marginal Basin Geology: Volcanic and Associated Sedimentary and Tectonic Processes in Modern and Ancient Marginal Basins (1984) 109-120
7. Cole J.W., Darby D.J., and Stern T.A. Taupo Volcanic Zone and Central Volcanic Region: backarc structures of North Island, New Zealand. Backarc Basins: Tectonics and Magmatism (1995) 1-28
8. Darby D.J., Hodgkinson K.M., and Blick G.H. Geodetic measurement of deformation in the Taupo volcanic zone, New Zealand; the North Taupo Network revisited. N. Z. J. Geol. Geophys. 43 (2000) 157-170
9. Davey F.J., Henrys S., and Lodolo E. Asymmetric rifting in a continental back-arc environment, North Island, New Zealand. J. Volcanol. Geotherm. Res. 68 (1995) 209-238
10. Davey F.J., and Lodolo E. Crustal seismic study of an ensialic back-arc basin (Bay of Plenty, New Zealand). Boll. Geofis. Teor. Appl. 37 (1995) 25-37
11. Deemer S.J., and Hurich C.A. The reflectivity of magmatic underplating using the layered mafic intrusion analog. Tectonophysics 232 (1994) 239-255
12. De Voogd B., Serpa L., Brown L., Hauser E., Kaufman S., Oliver J., Troxel B.W., Willemin J., and Wright L.A. Death Valley bright spot: a midcrustal magma body in the southern Great Basin, California. Geology 14 (1986) 64-67
13. Drummond B.J., Hobbs R.W., and Goleby B.R. The effects of out-of-plane seismic energy on reflections in crustal-scale 2-D seismic sections. Tectonophysics 388 (2004) 213-244
14. Goodwin E.B., and Thompson G.A. Seismic identification of basement reflectors: the Baghdad reflection sequences in the Basin and Range province - Colorado Plateau transition zone, Arizona. Tectonics 8 (1989) 821-831
15. Harrison A., and White R.S. Lithospheric structure of an active backarc basin: the Taupo Volcanic Zone, New Zealand. Geophys. J. Int. 167 (2006) 969-990 10,1111/j.1365-246X.2006.03166.x
16. Hauser E., Potter C., Hauge T., Burgess S., Burtch S., Mutschler J., Allmendinger R., Brown L., Kaufman S., and Oliver J. Crustal structure of eastern Nevada from COCORP deep seismic reflection data. Geol. Soc. Am. Bull. 99 (1987) 833-844
17. Henrys S.A., Reyners M.E., and Bibby H.M. Exploring the plate boundary structure of the North Island, New Zealand. Eos 84 31 (2003) 294-295 (289)
18. Hobbs R.W., Drummond B.J., and Goleby B.R. The effects of three-dimensional structure on two-dimensional images of crustal seismic sections and on the interpretation of shear zone morphology. Geophys. J., Int. 164 (2006) 490-500 10.1111/j.1365-246X.2006.02814.x
19. Houghton B.F., Wilson C.J.N., McWillaims M.O., Lanphere M.A., Wraver S.D., Briggs R.M., and Pringle M.S. Chronology and dynamics of a large silicic volcanic system: central Taupo Volcanic Zone, New Zealand. Geology 23 (1995) 13-16
20. Jarchow C.M., Thompson G.A., Catchings R.D., and Mooney W.D. Seismic evidence for active magmatic underplating beneath the Basin and Range Province, Western United States. J. Geophys. Res., Solid Earth and Planets 98 22 (1993) 095-22 (108)
21. Juhlin C. Interpretation of the reflections in the Siljan Ring area based on results of the Gravberg-1 borehole. Tectonophysics 173 (1990) 345-360
22. Juhojuntti N., and Juhlin C. Seismic lower crustal reflectivity and signal penetration in the Siljan Ring area, Central Sweden. Tectonophysics 288 (1998) 17-30
23. Kennett B.L.N. Seismic Wave Propagation in Stratified Media (1983), Cambridge University Press, Cambridge
24. Knapp R.W. Fresnel zones in the light of broadband data. Geophysics 56 (1991) 354-359
25. Korsch R.J., Wake-Dyster K.D., and Johnstone D.W. Seismic imaging of Late Palaeozoic-Early Mesozoic extensional and contractional structures in the Bowen and Surat basins, eastern Australia. Tectonophysics 215 (1992) 273-294
26. Lamarche G., Barnes P.M., and Bull J.M. Faulting and extension rate over the last 20,000 years in the offshore Whakatane Graben, New Zealand continental shelf. Tectonics 25 (2006) TC4005 10.1029/2005TC001886
27. Liu Y., and Schmitt D.R. Amplitude and AVO Responses of a Single Thin Bed Geophysics (2003) 1161-1168
28. Lyngsie, S.B., Thybo, H., Lang, R., 2007. Rifting and lower crustal reflectivity: a case study on the intracratonic Dneipr-Donets rift zone, Ukraine. J. Geophys. Res., 112, B12402. doi:10.1029/2006JB004795.
29. Ma J., and Morozov I.B. Structure of the Wollaston Lake Reflector (Trans-Hudson Orogen, Canada) from reflection AVO analysis: fractured diabase intrusion, fluids, or silicide shear zone. Tectonophysics 441 (2007) 97-114
30. Mandler H.A.F., and Clowes R.M. The HIS bright reflector: further evidence for extensive magmatism in the Precambrian of western Canada. Tectonophysics 288 (1998) 71-81
31. Nairn I.A., and Beanland S. Geological setting of the 1987 Edgecumbe earthquake, New Zealand. N. Z. Jl. Geol. Geophys. 32 (1989) 1-14
32. Neidell N.S., and Poggiagliolmi E. Stratigraphic modeling and interpretation-geophysical principles and techniques. In: Payton C.E. (Ed). Seismic Stratigraphy-Applications to Hydrocarbon Exploration: Am. Assn. Petr. Geol. Memoir 26 (1977) 389-416
33. Pratt T.L., Hauser E.C., Hearn T.M., and Reston T.J. Reflection polarity of the midcrustal surrency bright spot beneath southeastern Georgia; testing the fluid hypothesis. J. Geophys. Res 96 (1991) 10,145-10,158
34. Reston T.J. Spatial interference, reflection character and the structure of the crust under extension: results from 3D seismic modelling. Ann. Geophys. 5B (1987) 339-348
35. Sanford A.R., Mott R.P., Shuleski P.J., Rinehart E.J., Caravella F.J., Ward R.M., and Wallace T.C. Geophysical evidence for a magma body in the crust in the vicinity of Socorro, New Mexico. In: Heacock J.G. (Ed). The Earth's Crust: Its Nature and Physical Properties, Geophys. Monogr, Ser. Vol 20 (1977), AGU, Washington, D.C. 385-403
36. Sheetz K.E., and Schlue J.W. Inferences for the Socorro magma body from teleseismic receiver functions. Geophys. Res. Lett. 19 (1992) 1867-1870
37. Sherriff R.E. Seismic Stratigraphy (1980), IHRDC, Boston
38. Singh S.C., Kent G.M., Collier J.S., Harding A.J., and Orcutt J.A. Melt to mush variations in crustal magma properties along the ridge crest at the southern East Pacific Rise. Nature 394 (1998) 874-878
39. Stern T.A. A back-arc basin formed within continental lithosphere; the Central Volcanic Region of New Zealand. Tectonophysics 112 (1985) 385-409
40. Stern T.A., and Davey F.J. A seismic investigation of the crustal and upper mantle structure within the central volcanic region of New Zealand. New Zealand. Jl. Geol. Geophys 30 3 (1987) 217-231
41. Stratford W.R., and Stern T.A. Strong seismic reflections and melts in the mantle of a continental back-arc basin. Geophys. Res. Lett. 31 (2004)
42. Stratford W.R., and Stern T.A. Crust and upper mantle structure of a continental back-arc: central North Island, New Zealand. Geophys. J. Int. 166 (2006) 469-484 10,1111/j.1365-246X.2006.02967.x
43. Taylor S.K., Bull J.M., Lamarche G., and Barnes P.M. Normal fault growth and linkage in the Whakatane Graben, New Zealand, during the last 1.3 Myr. J. Geophys. Res. 109 (2004) B02408 10.1029/2003JB002412
44. Thybo H., Maguire P.K.H., Birt C., and Perchuc E. Seismic reflectivity and magmatic underplating beneath the Kenya Rift. Geophys. Res. Lett. 27 17 (2000) 2745-2748
45. Walcott R.E. Geodetic strain and the deformational history of the North Island during the late Cainozoic. Phil. Trans. R. Soc. London., A 321 (1987) 163-181
46. Wessel P., and Smith W.H.F. Free software helps map and display data. EOS Trans. AGU 72 (1991) 445-446
47. White R.S., Smith L.K., Roberts A.W., Christie P.A.F., Kusznir N.J., and the rest of the iSIMM Team. Lower crustal intrusion on the North Atlantic continental margin. Nature 452 (2008) 460-464 10.1038/nature06687
48. Wille, D.M., 1987. The COCORP Surrency Bright Spot: Fluid in the Deep Crust?, M.S. Thesis, 46 pp., Cornell University, Ithaca, New York.
49. Wilson C.J.N., Houghton B.F., McWilliams M.O., Lanphere M.A., Weaver S.D., and Briggs R.M. Volcanic and structural evolution of Taupo Volcanic Zone, New Zealand: a review. J. Volcanol. Geotherm. Res. 68 (1995) 1-28
50. Woodward D., and Haines A.J. Effect of porosity and permeability on seismic reflections from aquifers. Explor. Geophys. 23 (1992) 453-458
51. Wright I.C. Late Quaternary faulting of the offshore Whakatane Graben, Taupo Volcanic Zone. New Zealand, New Zealand. Jl. Geol. Geophys. 33 (1990) 245-256
52. Wright I.C. Shallow structure and active tectonism of an offshore continental back-arc spreading system; the Taupo volcanic zone, New Zealand. Mar. Geol. 103 (1992) 287-309