Exhumation in the Chugach-Kenai Mountain Belt Above the Aleutian Subduction Zone, Southern Alaska

Active Tectonics and Seismic Potential of Alaska

Volumn , Issue , 2013, Pages 151-166

  Buscher, Jamie T ^a   Berger, Aaron L ^a   Spotila, James A ^a  

^a VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY   (United States)

Author keywords

Earthquake zones Alaska; Geodynamics Alaska; Geology, Structural Alaska

Indexed keywords

DEFORMATION; GEODYNAMICS; PHOSPHATE MINERALS; STRUCTURAL GEOLOGY; TECTONICS; TEMPERATURE;

EARTHQUAKE ZONES; EXHUMATION RATES; LOCAL DEFORMATIONS; LOW TEMPERATURES; MOUNTAIN BELTS; RUGGED TOPOGRAPHY; SUBDUCTION ZONES; THERMOCHRONOMETRY;

LANDFORMS;

EID: 84952795268     PISSN: None     EISSN: None     Source Type: Book    
DOI: 10.1029/179GM08     Document Type: Chapter

References (70)

1. Batt, G. E., M. T. Brandon, K. A. Farley, and M. Roden-Tice (2001), Tectonic synthesis of the Olympic Mountains segment of the Cascadia wedge, using two-dimensional thermal and kinematic modeling of thermochronological ages, J. Geophys. Res., 106, 26,731-26,746.
2. Benjamin, M. T., N. M. Johnson, and C. W. Naeser (1987), Recent rapid uplift in the Bolivian Andes: Evidence from fission-track dating, Geology, 15, 680-683.
3. Berger, A. L., and J. A. Spotila (2008), Denudation and deformation of a glaciated orogenic wedge: The St. Elias orogen, Alaska, Geology, 36(7), 523-526.
4. Berger, A. L., J. A. Spotila, J. Chapman, T. L. Pavlis, E. Enkelmann, and J. T. Buscher (2008), Architecture, kinematics, and exhumation of a convergent orogenic wedge: A thermochronological investigation of tectonic-climatic interactions within the St. Elias orogen, Alaska, Earth Planet. Sci. Lett., doi:10.1016/ j.epsl.2008.02.034.
5. Brandon, M. T., M. K. Roden-Tice, and J. I. Garver (1998), Late Cenozoic exhumation of the Cascadia accretionary wedge in the Olympic Mountains, northwest Washington State, Geol. Soc. Am. Bull., 110, 985-1009.
6. Brocher, T. M., G. S. Fuis, M. A. Fisher, G. Plafker, M. J. Moses, J. J. Taber, and N. I. Christensen (1994), Mapping the megathrust beneath the northern Gulf of Alaska using wide-angle seismic data, J. Geophys. Res., 99, 11,663-11,685.
7. Bruhn, R. L., and P. J. Haeussler (2006), Deformation driven by subduction and microplate collision; Geodynamics of Cook Inlet Basin, Alaska, Geol. Soc. Am. Bull., 118, 289-303.
8. Bruhn, R. L., T. L. Pavlis, G. Plafker, and L. Serpa (2004), Deformation during terrane accretion in the Saint Elias orogen, Alaska, Geol. Soc. Am. Bull., 116, 771-787.
9. Cohen, S. C., and J. T. Freymueller (2004), Crustal deformation in Southcentral Alaska: The 1964 Prince William sound earthquake subduction zone, Adv. Geophys., 47, 1-63.
10. Coughlin, T. J., P. B. O'Sullivan, B. P. Kohn, and R. J. Holcombe (1998), Apatite fission-track thermochronology of the Sierras Pampeanas, central western Argentina: Implications for the mechanism of plateau uplift in the Andes, Geology, 26, 999-1002.
11. DeMets, C., R. G. Gordon, D. F. Argus, and S. Stein (1990), Current plate motions, Geophys. J. Int., 101, 425-478
12. Densmore, M. S., T. A. Ehlers, and G. J. Woodsworth (2007), Effect of Alpine glaciation on thermochronometer age-elevation profiles, Geophys. Res. Lett., 34, L02502, doi:10.1029/ 2006GL028371.
13. Doser, D. I., A. M. Veilleux, and M. Velasquez (1999), Seismicity of the Prince William Sound region for over thirty years following the 1964 Great Alaskan earthquake, Pure Appl. Geophys., 154, 593-632.
14. Eberhart-Phillips, D., D. H. Christensen, T. M. Brocher, R. Hansen, N. A. Ruppert, P. J. Haeussler, and G. A. Abers (2006), Imaging the transition from Aleutian subduction to Yakutat collision in central Alaska, with local earthquakes and active source data, J. Geophys. Res., 111, B11303, doi:10.1029/2005JB004240.
15. Ehlers, T. A., and K. A. Farley (2003), Apatite (U-Th)/He thermochronometry:Methods and applications to problems in tectonic and surface processes, Earth Planet. Sci. Lett., 206, 1-14.
16. Ehlers, T. A., K. A. Farley, M. E. Rusmore, and G. J. Woodsworth (2006), Apatite (U-Th)/He signal of large-magnitude accelerated glacial erosion, southwest British Columbia, Geology, 34, 765-768.
17. El-Fiky, G., and T. Kato (2006), Secular crustal deformation and interplate coupling of the Japanese Islands as deduced from continuous GPS array, 1996-2001, Tectonophysics, 422, 1-22.
18. Farley, K. A. (2000), Helium diffusion from apatite: General behavior as illustrated by Durango fluorapatite, J. Geophys. Res., 105, 2903-2914.
19. Farley, K. A., M. E. Rusmore, and S. W. Bogue (2001), Post-10 Ma uplift and exhumation of the northern Coast Mountains, British Columbia, Geology, 29, 99-102.
20. Fisher, D. M., T. W. Gardner, J. S. Marshall, P. B. Sak, and M. Protti (1998), Effect of subducting sea-floor roughness on fore-arc kinematics, Pacific coast, Costa Rica, Geology, 26, 467-470.
21. Flores, C., and D. I. Doser (2005), Shallow seismicity of the Anchorage, Alaska, region (1964-1999), Bull. Seismol. Soc. Am., 95, 1865-1879.
22. Freitag, R., C. Gaedicke, B. Baranov, and N. Tsukanov (2001), Collisional processes at the junction of the Aleutian-Kamchatka arcs: New evidence from fission track analysis and field observations, Terra Nova, 13, 433-442.
23. Freymueller, J. T., S. C. Cohen, and H. J. Fletcher (2000), Spatial variations in present-day deformation, Kenai Peninsula, Alaska, and their implications, J. Geophys. Res., 105, 8079-8101.
24. Fruehn, J., R. von Huene, and M. A. Fisher (1999), Accretion in the wake of terrane collision: The Neogene accretionary wedge off Kenai Peninsula, Alaska, Tectonics, 18, 263-277.
25. Fuis, G. S., and G. Plafker (1991), Evolution of deep structure along the Trans-Alaska Crustal Transect, Chugach Mountains and Copper River basin, southern Alaska, J. Geophys. Res., 96, 4229-4253.
26. Fuller, C. W., S. D. Willett, and M. T. Brandon (2006), Formation of forearc basins and their influence on subduction zone earthquakes, Geology, 34, 65-68.
27. Gräfe, K., W. Frisch, I. M. Villa, and M. Meschede (2002), Geodynamic evolution of southern Costa Rica related to low-angle subduction of the Cocos Ridge: Constraints from thermochronology, Tectonophysics, 348, 187-204.
28. Gutscher, M.-A. (2002), Andean subduction styles and their effect on thermal structure and interplate coupling, J. South Am. Earth Sci., 15, 3-10.
29. Gutscher, M.-A., W. Spakman, H. Bijwaard, and E. R. Engdahl (2000), Geodynamics of flat subduction: Seismicity and tomographic constraints from the Andean margin, Tectonics, 19, 814-833.
30. Haeuselmann, P., D. E. Granger, P.-Y. Jeannin, and S.-E. Lauritzen (2007), Abrupt glacial valley incision at 0.8 Ma dated from cave deposits in Switzerland, Geology, 35, 143-146.
31. Haeussler, P. J., R. L. Bruhn, and T. L. Pratt (2000), Potential seismic hazards and tectonics of upper Cook Inlet basin, Alaska, based on analysis of Pliocene and younger deformation, Geol. Soc. Am. Bull., 112, 1414-1429.
32. Haeussler, P. J., D. C. Bradley, R. E. Wells, and M. L. Miller (2003), Life and death of the Resurrection plate: evidence for its existence and subduction in the northeastern Pacific in Paleocene-Eocene time, Geol. Soc. Am. Bull., 115, 867-880.
33. Hager, B. H. (1984), Subducted slabs and the geoid: Constraints on mantle rheology and flow, J. Geophys. Res., 89, 6003-6015.
34. Hasebe, N., and T. Tagami (2001), Exhumation of an accretionary prism-results from fission track thermochronoloy of the Shimanto Belt, southwest Japan, Tectonophysics, 331, 247-267.
35. Hasegawa, A., A. Yamamoto, N. Umino, S. Miura, S. Horiuchi, D. Zhao, and H. Sato (2000), Seismic activity and deformation process of the overriding plate in the northeastern Japan subduction zone, Tectonophysics, 319, 225-239.
36. Hebbeln, D., F. Lamy, M. Mohtadi, and H. Echtler (2007), Tracing the impact of glacial-interglacial climate variability on erosion of the southern Andes, Geology, 35, 131-134.
37. Husson, L. (2006), Dynamic topography above retreating subduction zones, Geology, 34, 741-744.
38. Johnson, J. M., K. Satake, S. R. Holdahl, and J. Sauber (1996), The 1964 Prince William Sound earthquake: Joint inversion of tsunami and geodetic data, J. Geophys. Res., 101, 523-532.
39. Johnsson, M. J., and D. G. Howell (1996), Thermal maturity of sedimentary basins in Alaska: An overview, U.S. Geol. Surv. Bull., Report B 2142, 1-9.
40. Johnsson, M. J., M. J. Pawlewicz, A. G. Harris, and Z. C. Valin (1992), Vitrinite reflectance and conodont color alteration index data from Alaska: Data to accompany the thermal maturity map of Alaska, U.S. Geol. Surv., Report OF 92-0409.
41. Kelsey, H. M., D. C. Engebretson, C. E. Mitchell, and R. L. Ticknor (1994), Topographic form of the Coast Ranges of the Cascadia Margin in relation to coastal uplift rates and plate subduction, J. Geophys. Res., 99, 12,245-12,255.
42. Kveton, K. J. (1989), Structure, thermochronology, provenance, and tectonic history of the Orca Group in southwestern Prince William Sound, Alaska, Ph.D. thesis, Univ. of Washington, Seattle, Wash., 227 pp.
43. Lahr, J. C., and G. Plafker (1980), Holocene Pacific-North American plate interaction in southern Alaska: Implications for the Yakataga seismic gap, Geology, 8, 483-486.
44. Larsen, C. F., R. J. Motyka, J. T. Freymueller, K. A. Echelmeyer, and E. R. Ivins (2005), Rapid viscoelastic uplift in southeast Alaska caused by post-Little Ice Age glacial retreat, Earth Planet. Sci. Lett., 237, 548-560.
45. Little, T. A., and C. W. Naeser (1989), Tertiary tectonics of the Border Ranges fault system, Chugach Mountains, Alaska: Deformation and uplift in a forearc setting, J. Geophys. Res., 94, 4333-4359.
46. Magoon, L. B. (1986), Present-day geothermal gradient, U.S. Geol. Surv. Bull., Report B 1596, 41-46.
47. Malloy, R. J. (1964), Crustal uplift southwest of Montague Island, Alaska, Science, 146, 1048-1049.
48. Mazzotti, S., H. Dragert, R. D. Hyndman, M. M. Miller, and J. A. Henton (2002), GPS deformation in a region of high crustal seismicity: N. Cascadia forearc, Earth Planet. Sci. Lett., 198, 41-48.
49. McDowell, F. W., W. C. McIntosh, and K. A. Farley (2005), A precise 40Ar/39Ar reference age for the Durango apatite (U-Th)/He and fission-track dating standard, Chem. Geol., 214, 249-263.
50. McQuarrie, N., B. K. Horton, G. Zandt, S. Beck, and P. G. De-Celles (2005), Lithospheric evolution of the Andean fold-thrust belt, Bolivia, and the origin of the central Andean Plateau, Tectonophysics, 399, 15-37.
51. Meigs, A., S. Johnston, J. Garver, and J. Spotila (2008), Crustal- scale structural architecture, shortening, and exhumation of an active, eroding orogenic wedge (the Chugach/St. Elias Range, southern Alaska), Tectonics, 27, TC4003, doi:10.1029/ 2007TC002168.
52. Miller, M. M., D. J. Johnson, C. M. Rubin, H. Dragert, K. Wang, A. Qamar, and C. Goldfinger (2001), GPS-determination of along-strike variation in Cascadia margin kinematics: Implications for relative plate motion, subduction zone coupling, and permanent deformation, Tectonics, 20, 161-176.
53. Pavlis, T. L., C. Picornell, L. Serpa, R. L. Bruhn, and G. Plafker (2004), Tectonic processes during oblique collision: Insights from the St. Elias orogen, northern North American Cordillera, Tectonics, 23, TC3001, doi:10.1029/2003TC001557.
54. Péwé, T. L. (1975), Quaternary geology of Alaska, U.S. Geol. Surv. Prof. Paper, Report P 835, 145 pp.
55. Plafker, G., W. J. Nokleberg, and J. S. Lull (1989), Bedrock geology and tectonic evolution of the Wrangellia, Peninsular, and Chugach terranes along the Trans-Alaska Crustal Transect in the Chugach Mountains and southern Copper River basin, Alaska, J. Geophys. Res., 94, 4255-4295.
56. Plafker, G., J. C. Moore, and G. R. Winkler (1994), Geology of the southern Alaska margin, in The Geology of Alaska, edited by G. Plafker and H. C. Berg, Geol. Soc. Am., Geol. North Am., G-1, 389-449.
57. Prawirodirdjo, L., Y. Bock, R. McCaffrey, J. Genrich, E. Calais, C. Stevens, S. S. O. Puntodewo, C. Subarya, J. Rais, P. Zwick, and Fauzi (1997), Geodetic observations of interseismic strain segmentation at the Sumatra subduction zone, Geophys. Res. Lett., 24, 2601-2604.
58. Ratchkovski, N. A., and R. A. Hansen (2002), New evidence for segmentation of the Alaska subduction zone, Bull. Seismol. Soc. Am., 92, 1754-1765.
59. Reiners, P. W., and M. T. Brandon (2006), Using thermochronology to understand orogenic erosion, Annu. Rev. Earth Planet. Sci., 34, 419-466.
60. Reiners, P. W., T. A. Ehlers, S. G. Mitchell, and D. R. Montgomery (2003), Coupled spatial variations in precipitation and long-term erosion rates across the Washington Cascades, Nature, 426, 645-647.
61. Shuster, D. L., T. A. Ehlers, M. E. Rusmore, and K. A. Farley (2005), Rapid glacial erosion at 1.8 Ma revealed by 4He/3He thermochronometry, Science, 310, 1668-1670.
62. Song, T.-R. A., and M. Simons (2003), Large trench-parallel gravity variations predict seismogenic behavior in subduction zones, Science, 301, 630-633.
63. Spotila, J. A., J. T. Buscher, A. J. Meigs, and P. W. Reiners (2004), Long-term glacial erosion of active mountain belts: Example of the Chugach-St. Elias Range, Alaska, Geology, 32, 501-504.
64. Trenkamp, R., J. N. Kellogg, J. T. Freymueller, and H. P. Mora (2002), Wide plate margin deformation, southern Central America and northwestern South America, CASA GPS observations, J. South Am. Earth Sci., 15, 157-171.
65. Veilleux, A. M., and D. I. Doser (2007), Studies of Wadati-Benioff zone seismicity of the Anchorage, Alaska, region, Bull. Seismol. Soc. Am., 97, 52-62.
66. Westbrook, G. K., J. W. Ladd, P. Buhl, N. Bangs, and G. J. Tiley (1988), Cross section of an accretionary wedge: Barbados Ridge complex, Geology, 16, 631-635.
67. White, J. M., T. A. Ager, D. P. Adam, E. B. Leopold, G. Liu, H. Jetté, and C. E. Schweger (1997), An 18 million year record of vegetation and climate change in northwestern Canada and Alaska: tectonic and global climatic correlates, Palaeogeogr. Palaeoclimatol. Palaeoecol., 130, 293-306.
68. Wolf, R. A., K. A. Farley, and L. T. Silver (1996), Helium diffusion and low-temperature thermochronometry of apatite, Geochim. Cosmochim. Acta, 60, 4231-4240.
69. Ye, S., E. R. Flueh, D. Klaeschen, and R. von Huene (1997), Crustal structure along the EDGE transect beneath the Kodiak shelf off Alaska derived from OBH seismic refraction data, Geophys. J. Int., 130, 283-302.
70. Zweck, C., J. T. Freymueller, and S. C. Cohen (2002), Three-dimensional elastic dislocation modeling of the postseismic response to the 1964 Alaska earthquake, J. Geophys. Res., 107(B4), B42064, doi:10.1029/2001JB000409.