Coupled stratigraphic and structural evolution of a glaciated orogenic wedge, offshore St. Elias orogen, Alaska

Tectonics

Volumn 29, Issue 6, 2010, Pages

  Worthington, Lindsay L ^a,b   Gulick, Sean P S ^a   Pavlis, Terry L ^c  

^a UNIVERSITY OF TEXAS AT AUSTIN   (United States)

^b UNIVERSITY OF TEXAS AT AUSTIN   (United States)

^c UNIVERSITY OF TEXAS AT EL PASO   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ANOXIC SEDIMENTS; DEFORMATION; GLACIAL GEOLOGY; STRATIGRAPHY;

ACTIVE DEFORMATION; CLIMATIC SHIFTS; CO-LOCATED; CONVERGENCE RATES; DEFORMATION FRONT; DEFORMATION PATTERN; FAULT ACTIVITY; FOLD-THRUST BELTS; GLACIAL PERIOD; GROWTH STRATA; GULF OF ALASKA; INTERGLACIAL PERIODS; KEY CONSTRAINTS; MICROPLATES; OROGENIC WEDGE; PLEISTOCENE; PLEISTOCENE GLACIAL; REFLECTION SEISMIC; RELATIVE TIMING; SEDIMENT LOADING; SPATIAL SHIFTING; STRUCTURAL EVOLUTION; TERRANE ACCRETION;

TECTONICS;

CONVERGENCE; GLACIAL-INTERGLACIAL CYCLE; GLACIATION; GPS; MICROPLATE; OROGENY; PLEISTOCENE; SEISMIC REFLECTION; STRATIGRAPHY; STRUCTURAL GEOLOGY; SUBDUCTION; TECTONIC EVOLUTION;

SAINT ELIAS MOUNTAINS;

EID: 78650914458     PISSN: 02787407     EISSN: None     Source Type: Journal    
DOI: 10.1029/2010TC002723     Document Type: Article

References (55)

1. Berger, A. L., and J. A. Spotila (2008), Denudation and deformation in a glaciated orogenic wedge: The St. Elias Orogen, Alaska, Geology, 36, 523-526.
2. Berger, A. L., J. A. Spotila, J. B. Chapman, T. L. Pavlis, E. Enkelmann, N. A. Ruppert, and J. T. Buscher (2008a), Architecture, kinematics, and exhumation of a convergent orogenic wedge: A thermochrono-logical investigation of tectonic-climatic interactions within the central St. Elias Orogen, Alaska, Earth Planet. Sci. Lett., 270, 13-24.
3. Berger, A. L., et al. (2008b), Quaternary tectonic response to intensified glacial erosion in an orogenic wedge, Nat. Geosci., 1, 793-799, doi:10.1038/ ngeo334.
4. Bruhn, R. L., T. L. Pavlis, G. Plafker, and L. Serpa (2004), Deformation during terrane accretion in the St. Elias orogen, Alaska, GSA Bull., 116, 771-787.
5. Bruns, T. R. (1983), Model for the origin of the Yakutat block, an accreting terrane in the northern Gulf of Alaska, Geology, 11, 718-721.
6. Bruns, T. R., and W. C. Schwab (1983), Structure maps and seismic stratigraphy of the Yakataga segment of the continenetal margin, northern Gulf of Alaska, U. S. Geol. Surv. Misc. Field Stud. Map MF-1424, p. 20, scale: 1:250,000.
7. Carlson, P. R. (1989), Seismic reflection characteristics of glacial and glaciomarine sediment in the Gulf of Alaska and adjacent fjords, Mar. Geol., 85, 391-416.
8. Chapman, J. B., et al. (2008), Neotectonics of the Yakutat collision: Changes in deformation driven by mass redistribution, in Active Tectonics and Seismic Potential of Alaska, Geophys. Monogr. Ser., vol. 179, edited by J. T. Freymueller et al., pp. 65-81, AGU, Washington, D.C.
9. Davis, D., J. Suppe, and F. A. Dahlen (1983), Mechanics of fold-and-thrust belts and accretionary wedges, J. Geophys. Res., 88(B2), 1153-1172, doi:10.1029/JB088iB02p01153.
10. Doser, D. I., J. R. Pelton, and A. Veilleux, M. (1997), Earthquakes in the Pamplona zone, Yakutat block, south central Alaska, J. Geophys. Res., 102(B11), 24,499-24,511, doi:10.1029/97JB01729.
11. 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.
12. Elliott, J. L., C. F. Larsen, J. T. Freymueller, and R. J. Motyka (2010), Tectonic block motion and glacial isostatic adjustment in southeast Alaska and adjacent Canada constrained by GPS measurements, J. Geophys. Res., 115, B09407, doi:10.1029/ 2009JB007139.
13. Enkelmann, E. (2008), Rapid exhumation of ice-covered rocks of the Chugach-St. Elias Orogen, southeast Alaska, Geology, 36(12), 915-918, doi:10.1130/ G2252A.1.
14. Enkelmann, E., P. K. Zeitler, T. L. Pavlis, J. Garver, and K. D. Ridgway (2009), Intense localized rock uplift and erosion in the St. Elias orogen of Alaska, Nat. Geosci., 2(5), 360-363, doi:10.1038/ngeo502.
15. Fletcher, H. J., and J. T. Freymueller (1999), New GPS constraints on the motion of the Yakutat Block, Geophys. Res. Lett., 26(19), 3029-3032, doi:10.1029/1999GL005346. (Pubitemid 30045079)
16. Fletcher, H. J., and J. T. Freymueller (2003), New constraints on the motion of the Fairweather Fault, Alaska, from GPS observations, Geophys. Res. Lett., 30(3), 1139, doi:10.1029/2002GL016476.
17. Gardner, J. V., L. A. Mayer, and A. Armstrong (2006), Mapping supports potential submission to U.N. Law of the Sea, Eos Trans. AGU, 87(16), 157-160, doi:10.1029/2006EO160002.
18. Gulick, S. P. S., L. A. Lowe, T. L. Pavlis, J. V. Gradner, and L. A. Mayer (2007), Geophysical insights into the Transition Fault debate: Propagating strike-slip in response to stalling subduction in the Gulf of Alaska, Geology, 35(8), 763-766.
19. Jaeger, J. M. (1999), Sediment deposition in an Alaskan fjord; controls on the formation and preservation of sedimentary structures in Icy Bay, J. Sediment. Res., 69, 1011-1026.
20. Krissek, L. A. (1995), Late Cenozoic ice-rafting records from Leg 145 sites in the North Pacific; late Miocene onset, late Pliocene intensification, and Pliocene-Pleistocene events, in Proceedings of the Ocean Drilling Program, Scientific Results, vol. 145, edited by D. K. Rea et al., pp. 179-194, Texas A & M Univ., College Station, Tex.
21. Lagoe, M. B., and S. D. Zellers (1996), Depositional and microfaunal response to Pliocene climate change and tectonics in the eastern Gulf of Alaska, Mar. Micropaleontol., 27, 121-140.
22. Lagoe, M. B., C. H. Eyles, N. Eyles, and C. Hale (1993), Timing of late Cenozoic tidewater glacia-tion in the far North Pacific, Geol. Soc. Am. Bull., 105, 1542-1560.
23. Malavieille, J. (2010), Impact of erosion, sedimentation, and structural heritage on the structure and kinematics of orogenic wedges: Analog models and case studies, GSA Today, 20, 4-10.
24. Mann, D. H., and D. M. Peteet (1994), Extent and timing of the last glacial maximum in Southwestern Alaska, Quat. Res., 42, 136-148.
25. Meigs, A., and J. Sauber (2000), Southern Alaska as an example of the long-term consequences of mountain building under the influence of glaciers, Quat. Sci. Rev., 19, 1543-1562.
26. Meigs, A., S. Johnston, J. Garver, and J. Spotila (2008), Crustal scale structural architecture, shortening, and exhumation of an active, eroding orogenic wedge (Chugach-St Elias Range, Southern Alaska), Tectonics, 27, TC4003, doi:10.1029/2007TC002168.
27. 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. (Pubitemid 39384272)
28. Plafker, G. (1987), Regional geology and petroleum potential of the northern Gulf of Alaska continental margin, in Geology and Resource Potential of the Continental Margin of Western North America and Adjacent Ocean Basins, edited by D. W. Scholl, pp. 229-268, Houston, Tex.
29. Plafker, G., J. C. Moore, and G. R. Winkler (1994), Geology of the Southern Alaska margin, in The Geology of North America, edited by G. Plafker and H. C. Berg, pp. 389-449, Geol. Soc. Am., Boulder, Colo.
30. Prueher, L. M. (1998), Rapid onset of glacial conditions in the subarctic North Pacific region at 2.67 Ma; clues to causality, Geology, 26(11), 1027-1030.
31. Rea, D. K., and H. Snoeckx (1995), Sediment fluxes in the Gulf of Alaska: Paleoceanographic record from Site 887 on the Patton-Murray Seamount Platform, in Proceedings of the Ocean Drilling Program, Scientific Results, vol. 145, edited by D. K. Rea et al., pp. 247-256, Texas A & M Univ., College Station, Tex.
32. Rea, D. K., et al. (1995), Scientific results of drilling the North Pacific transect, in Proceedings of Ocean Drilling Program, Scientific Results, edited by D. K. Rea et al., pp. 577-596, Texas A & M Univ., College Station, Tex.
33. Risley, D. E., G. C. Martin, M. B. Lynch, T. O. Flett, and J. A. Larson (1992), Geologic report for the Gulf of Alaska Planning Area, Rep., Anchorage.
34. Roe, G. H., D. S. Stolar, and S. D. Willett (2006), Response of a steady state critical wedge orogen to changes in climate and tectonic forcing, Geol. Soc. Am., 398, 227-239.
35. Shennan, I. (2009), Late Quaternary sea-level changes and palaeoseismology of the Bering Glacier region, Alaska, Quat. Sci. Rev., 28, 1762-1773.
36. Shennan, I., R. Bruhn, and G. Plafker (2009), Multiseg-ment earthquakes and tsunami potential of the Aleutian megathrust, Quat. Sci. Rev., 28, 7-13.
37. Simpson, G. D. H. (2010), Formation of accretionary prisms influenced by sediment subduction and supplied by sediments from adjacent continents, Geology, 38, 131-134.
38. Spotila, J. A., and A. J. Meigs (2004), Testing glacial limits to mountain building; the buzz saw in the Chugach/St. Elias Range, Alaska, Eos. Trans. AGU.
39. Stevenson, A. J., and R. Embly (1987), Deep-sea fan bodies, terrigenous turbidite sedimentation, and petroleum geology, in Circum-Pacific Council of Energy and Mineral Resources, Earth Sci. Ser., vol. 6, edited by D. W. Scholl, A. Grantz, and J. G. Vedder, pp. 503-522.
40. Suppe, J., G. T. Chou, and S. C. Hook (1992), Rates of folding and faulting determined from growth strata, in Thrust Tectonics, edited by K. McClay, pp. 105- 121, Chapman and Hall, London.
41. Suppe, J., F. Sabat, J. A. Muñoz, J. Poblet, E. Roca, and J. Verges (1997), Bed-by-bed fold growth by kink- band migration; Sant Llorenc de Morunys, eastern Pyrenees, J. Struct. Geol., 19, 443-461.
42. Tomkin, J. H., and G. H. Roe (2007), Climate and tectonic controls on glaciated critical-taper orogens, Earth Planet. Sci. Lett., 262, 385-397.
43. Trop, J. M., and K. D. Ridgway (2007), Mesozoic and Cenozoic tectonic growth of southern Alaska: A sedimentary basin perspective, in Tectonic Growth of a Collisional Continental Margin: Crustal Evolution of Southern Alaska, edited by K. D. Ridgway et al., 55-94, Geol. Soc. Am., Boulder, Colo.
44. Wallace, W. K. (2008), Yakataga fold-and-thrust belt: Structural geometry and tectonic implications of a small continental collision zone, in Active Tectonics and Seismic Potential of Alaska, edited by J. T. Freymueller et al., pp. 237-256, AGU, Washington, D.C.
45. Whipple, K. X. (2006), Orogen response to changes in climatic and tectonic forcing, Earth Planet. Sci. Lett., 243, 218-228.
46. Whipple, K. X. (2009), The influence of climate on the tectonic evolution of mountain belts, Nat. Geosci., 2, 97-104.
47. Whipple, K. X., and B. J. Meade (2004), Controls on the strength of coupling among climate, erosion, and deformation in two-sided, frictional orogenic wedges at steady state, J. Geophys. Res., 109, F01011, doi:10.1029/2003JF000019.
48. White, J. M. (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(1), 293-306.
49. White, J. M., T. A. Ager, D. P. Adam, E. B. Leopold, G. Liu, H. Jette, 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, 293-309.
50. Willett, S. D. (1999), Orogeny and orography: The effects of erosion on the structure of mountain belts, J. Geophys. Res., 104(B12), 28,957-28,981, doi:10.1029/1999JB900248.
51. Willett, S. D. (2002), On steady states in mountain belts, Geology, 30, 175-178.
52. Worthington, L. L., S. P. S. Gulick, and T. L. Pavlis (2008), Identifying active structures in the Kayak Island and Pamplona zones: Implications for offshore tectonics of the Yakutat Microplate, Gulf of Alaska, in Active Tectonics and Seismic Potential of Alaska, Geophys. Monogr., vol. 179, edited by J. T. Freymueller et al., pp. 257-268, AGU, Washington, D.C.
53. Zapata, T. R., and R. W. Allmendinger (1996), Growth stratal records of instantaneous and progressive limb rotation in the Precordillera thrust belt and Bermejo Basin, Argentina, Tectonics, 15(5), 1065-1083, doi:10.1029/96TC00431.
54. Zellers, S. D. (1992), Stratigraphic and seismic analyses of offshore Yakataga Formation sections, Northeast Gulf of Alaska, Rep., pp. 111-116.
55. Zellers, S. D. (1995), Foraminiferal sequence biostratig-raphy and seismic stratigraphy of a tectonically active margin; the Yakataga Formation, northeastern Gulf of Alaska, Mar. Micropaleontol., 255-271.