Bimodal volcanism as evidence for Paleozoic extensional accretionary tectonism in the southern Appalachians

Bulletin of the Geological Society of America

Volumn 122, Issue 7-8, 2010, Pages 1220-1234

  Holm Denoma, Christopher S ^a   Das, Reshmi ^b  

^a DENVER FEDERAL CENTER   (United States)

^b FLORIDA STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

APPALACHIANS; BACK-ARC; BLUE RIDGES; CONTINENTAL LITHOSPHERE; DETRITAL ZIRCON; EARLY PALEOZOIC; GEOCHEMICAL ANALYSIS; GEOCHEMICAL CHARACTERIZATION; GEODYNAMIC SETTING; LATE PALEOZOIC; LAURENTIAN; LITHOFACIES; METABASALTS; ORDOVICIAN; PALEOZOIC; PROTOLITHS; RHYODACITES; SUBDUCTION ZONES; SUPRASUBDUCTION ZONE; TECTONIC BOUNDARIES; TECTONIC SETTINGS; U-PB AGES;

LEAD; NEODYMIUM; POTASSIUM; TECTONICS;

ANALYTICAL GEOCHEMISTRY;

ACCRETIONARY PRISM; ALLEGHANIAN OROGENY; BACKARC BASIN; CONTINENTAL LITHOSPHERE; DEPOSITIONAL SEQUENCE; EMPLACEMENT; EXTENSIONAL TECTONICS; GEODYNAMICS; GEOLOGICAL MAPPING; LAURENTIA; METABASALT; ORDOVICIAN; PALEOZOIC; PROTOLITH; SUBDUCTION ZONE; TECTONIC SETTING; URANIUM-LEAD DATING; VOLCANISM; ZIRCON;

APPALACHIANS; BLUE RIDGE MOUNTAINS; UNITED STATES;

EID: 77953987096     PISSN: 00167606     EISSN: 00167606     Source Type: Journal    
DOI: 10.1130/B30051.1     Document Type: Article

References (82)

1. Aleinikoff, J.N., Zartman, R.E., Walter, M., Rankin, D.W., Lyttle, P.T., and Burton, W.C., 1995, U-Pb ages of metarhyolites of the Catoctin and Mount Rogers Formations, central and southern Appalachians: Evidence for two phases of Iapetan rifting: American Journal of Science, v. 295, p. 428-454.
2. Barker, F., 1979, Trondhjemite: Definition, environment and hypotheses of origin, in Barker, F., ed., Trondhjemites, Dacites, and Related Rocks: Amsterdam, Elsevier, p. 1-12.
3. Becker, T.P., Thomas, W.A., Samson, S.D., and Gehrels, G.E., 2005, Detrital zircon evidence of Laurentian crustal dominance in the lower Pennsylvanian deposits of the Alleghanian clastic wedge in eastern North America: Sedimentary Geology, v. 182, p. 59-86, doi: 10.1016/j.sedgeo.2005.07.014.
4. Bird, J.M., and Dewey, J.F., 1970, Lithosphere platecontinental margin tectonics and the evolution of the Appalachian orogen: Geological Society of America Bulletin, v. 81, no. 4, p. 1031-1059, doi: 10.1130/0016-7606(1970)81[1031:LPMTAT]2.0.CO;2.
5. Bowen, N.L., 1928, The Evolution of Igneous Rocks: Prince ton, New Jersey, Princeton University Press.
6. Bream, B.R., 2003, Tectonic implications of para- and ortho gneiss geochronology and geochemistry from the southern Appalachian crystalline core [Ph.D. thesis]: Knoxville, University of Tennessee, 310 p.
7. Bream, B.R., Hatcher, R.D., Jr., Miller, C.F., and Fullagar, P.D., 2004, Detrital zircon ages and Nd isotopic data from the southern Appalachian crystalline core, Georgia, South Carolina, North Carolina, and Tennessee: New provenance constraints for part of the Laurentian margin, in Tollo, R.P., Corriveau L., McLelland, J., and Bartholomew, M.J., eds., Proterozoic Tectonic Evolution of the Grenville Orogen in North America: Geological Society of America Memoir 197, p. 459-475.
8. Cabanis, B., and Lecolle, M., 1989, Le diagramme La/10-Y/15-Nb/8: Un outil pour la discrimination des series volcaniques et la mise en evidence des processus de mélange et/ou de contamination crustale: Comptes Rendus de l'Académie des Sciences-Serie 2A- Sciences de la Terre et des Planètes, v. 309, p. 2023-2029.
9. Cawood, P.A., and Buchan, C., 2007, Linking accretionary orogenesis with supercontinent assembly: Earth-Science Reviews, v. 82, p. 217-256, doi: 10.1016/j.earscirev.2007.03.003.
10. Coler, D.G., Wortman, G.L., Samson, S.D., Hibbard, J.P., and Stern, R., 2000, U-Pb geochronologic, Nd isotopic, and geochemical evidence for the correlation of the Chopawamsic and Milton terranes, Piedmont zone, southern Appalachian orogen: The Journal of Geology, v. 108, p. 363-380, doi: 10.1086/314411.
11. Collins, W.J., 2002, Nature of extensional accretionary orogens: Tectonics, v. 21, no. 4, 12 p.
12. Condie, K.C., 2007, Accretionary orogens in space and time, in Hatcher, R.D., Jr., Carlson, MP., McBride, J.H., and Martínez Catalán, J.R., 4-D Framework of Continental Crust: Geological Society of America Memoir 200, p. 145-158.
13. Crawford, T.J., 1976, Geologic map of the Burnt Hickory Ridge quadrangle, Georgia: Georgia Geologic Survey Open-File Map, 1:24,000.
14. Crawford, T.J., 1977, Geologic map of the Yorkville quadrangle, Georgia: Georgia Geologic Survey Open-File Map, 1:24,000.
15. Dickinson, W.R., and Gehrels, G.E., 2003, U-Pb ages of detrital zircons from Permian and Jurassic eolian sandstones of the Colorado Platau, USA: Paleogeographic implications: Sedimentary Geology, v. 163, p. 29-66, doi: 10.1016/S0037-0738(03)00158-1.
16. Drummond, M.S., Allison, D.T., and Wesolowski, D.J., 1994, Igneous petrogenesis and tectonic setting of the Elkahatchee quartz diorite, Alabama Appalachians: Implications for Penobscotian magmatism in the eastern Blue Ridge: American Journal of Science, v. 294, no. 2, p. 173-236.
17. Drummond, M.S., Defant, M.J., and Kepezhinskas, P.K., 1996, Petrogenesis of slab-derived trondhjemitetonalite- dacite/adakite magmas: Transactions of the Royal Society of Edinburgh. Earth Sciences, v. 87, p. 205-215.
18. Drummond, M.S., Neilson, M.J., Allison, D.T., and Tull, J.F., 1997, Igneous petrogenesis and tectonic setting of granitic rocks from the eastern Blue Ridge and inner Piedmont, Alabama Appalachians, in Sinha, A.K., Whalen, J.B., and Hogan, J.P., eds., The Nature of Magmatism in the Appalachian Orogen: Geological Society of America Memoir, v. 191, p. 147-164.
19. Durham, R.B., 1993, Petrochemistry of metadacite units in the Hillabee metavolcanic sequence, Talladega slate belt, Alabama [M.S. thesis]: Tallahassee, Florida State University, 239 p.
20. Gamble, J.A., and Wright, I.C., 1995, The southern Havre Trough: Geological structure and magma petrogenesis of an active backarc rift complex, in Taylor, B., ed., Backarc Basins: Tectonics and Magmatism: New York, Plenum Press, p. 29-62.
21. Gastaldo, R.A., Guthrie, G.M., and Steltenpohl, M.G., 1993, Mississippian fossils from the southern Appalachian metamorphic rocks and their implication for late Paleozoic tectonic evolution: Science, v. 262, p. 732-734, doi: 10.1126/science.262.5134.732.
22. Gill, J.B., 1981, Orogenic andesites and plate tectonics: Berlin, Springer-Verlag, 358 p.
23. Gillon, K.A., 1989, The geology of eastern Blue Ridge thrust sheets in the vicinity of Helen, Georgia: in Fritz, W.J, Hatcher, R.D., and Hopson, J.L., eds., Geology of the Eastern Blue Ridge of Northeast Georgia and the Adjacent Carolinas: Georgia Geological Society Guidebooks, v. 9, no. 3, p. 133-169.
24. German, J.M., 1985, The geology of the northeastern portion of the Dahlonega gold belt: Georgia Geologic Survey Bulletin 100, 41 p.
25. German, J.M., 1989, Geologic setting and genesis of gold deposits of the Dahlonega and Carroll County gold belts, Georgia: Economic Geology and the Bulletin of the Society of Economic Geologists, v. 84, p. 903-923.
26. Hatcher, R.D., Jr., Osberg, P.H., Drake, A.A., Jr., Robinson, P., and Thomas, W.A., 1990, Tectonic map of the U.S. Appalachians, in Hatcher, R.D., Jr., Thomas, W.A., and Viele, G.W., eds., The Appalachian-Ouachita Orogen in the United States: Boulder, Colorado, Geological Society of America, The Geology of North America, v. GNA-F2.
27. Hatcher, R.D., Jr., Bream, B.R., and Merschat, A.J., 2007, Tectonic map of the southern and central Appalachians: A tale of three orogens and a complete Wilson cycle, in Hatcher, R.D., Jr., Carlson, MP., McBride, J.H., and Martínez Catalán, J.R., 4-D Framework of Continental Crust: Geological Society of America Memoir 200, p. 595-632.
28. Hatcher, R.D., Jr., Bream, B.R., Miller, C.F., Eckert, J.O., Jr., Fullagar, P.D., and Carrigan, C.W., 2004, Paleozoic structure of internal basement massifs, southern Appalachian Blue Ridge, incorporating new geochronologic, Nd and Sr isotopic, and geochemical data, in Tollo, R.P., Corriveau L., McLelland, J., and Bartholomew, M.J., eds., Proterozoic Tectonic Evolution of the Grenville Orogen in North America: Geological Society of America Memoir 197, p. 459-475.
29. Hawkins, J.W., Jr., 1976, Petrology and geochemistry of basaltic rocks of the Lau Basin: Earth and Planetary Science Letters, v. 28, p. 283-297, doi: 10.1016/0012-821X(76)90190-4.
30. Hawkins, J.W., Jr., 1995, The geology of the Lau Basin, in Taylor, B., ed., Backarc Basins: Tectonics and Magmatism: New York, Plenum Press, p. 63-138.
31. Higgins, M.W., Atkins, R.L., Crawford, T.J., Crawford, R.F., III, Brooks, R., and Cook, R.B., 1988, The structure, stratigraphy, tectonostratigraphy, and evolution of the southernmost part of the Appalachian orogen: U.S. Geological Survey Professional Paper 1475, 173 p.
32. Holm-Denoma, C.S., 2006, Characterization of Paleozoic terranes and terrane accretion at the southeastern margin of Laurentia: Georgia and Alabama Appalachians [Ph.D. thesis]: Tallahassee, Florida State University, 135 p.
33. Holm-Denoma, C.S., 2007, Importance and characterization of the westernmost accretionary terrane (Pumpkinvine Creek Formation and associated units) in the Georgia Blue Ridge in Tull, J.F., ed., Tectonics of the Georgia Blue Ridge: Basement/Cover Rift Architecture, Important Aspects of Overlying Drift and Clastic Wedge Facies, and the Westernmost Accretionary Terrane: Georgia Geological Society Guidebooks, v. 27, no. 1, p. 157-170.
34. Hurst, V.J., and Jones, L.M., 1973, Origin of amphibolites in the Cartersville-Villa Rica area, Georgia: Geological Society of America Bulletin, v. 84, p. 905-911, doi: 10.1130/0016-7606(1973)84<905:OOAITC>2.0.CO;2.
35. Jones, L.M., and Hurst, V.J., 1973, Strontium isotope composition of the amphibolite of the Cartersville-Villa Rica District, Georgia: Geological Society of America Bulletin, v. 84, p. 913-918, doi: 10.1130/0016-7606(1973)84<913:SICOAO>2.0.CO;2.
36. Karabinos, P., Samson, S.D., Hepburn, J.C., and Stoll, H.M., 1998, Taconic orogeny in the New England Appalachians: Collision between Laurentia and the Shelburne Falls Arc: Geology, v. 26, p. 215-218, doi: 10.1130/0091-7613(1998)026<0215:TOITNE>2.3.CO;2.
37. Kesler, T.L., and Kesler, S.E., 1971, Amphibolites of the Car tersville District, Georgia: Geological Society of America Bulletin, v. 82, no. 11, p. 3163-3168, doi: 10.1130/0016-7606(1971)82[3163:AOTCDG]2.0.CO;2.
38. Kim, J., Coish, R., Evans, M., and Dick, G., 2003, Suprasubduction zone extensional magmatism in Vermont and adjacent Quebec: Implications for early Paleozoic Appalachian tectonics: Geological Society of America Bulletin, v. 115, no. 12, p. 1552-1569, doi: 10.1130/B25343.1.
39. Kolata, D.R., Huff, W.D., and Bergstrom, S.M., 1998, Nature and regional significance of unconformities associated with the Middle Ordovician Hagen K-bentonite complex in the North American midcontinent: Geological Society of America Bulletin, v. 110, no. 6, p. 723-729, doi: 10.1130/0016-7606(1998)110<0723:NARSOU> 2.3.CO;2.
40. LeBas, M.J., LeMaitre, R.W., Streckeisen, A., and Zanettin, B.A., 1986, Chemical classification of volcanic rocks based on the total alkali-silica diagram: Journal of Petrol ogy, v. 27, no. 3, p. 745-750.
41. Ludwig, K.R., 1999, Using Isoplot/Ex, Version 2.01: A Geochronological Toolkit for Microsoft Excel: Berkeley Geochronology Center Special Publication, no. 1a, 47 p
42. Marsaglia, K.M., 1995, Interarc and backarc basins, in Busby, C.J., and Ingersoll, R.V., eds., Tectonics of Sedimentary Basins: Cambridge, Blackwell Scientific, p. 299- 330.
43. McClellan, E.A., Steltenpohl, M.G., Thomas, C., and Miller, C.F., 2007, Isotopic age constraints and metamorphic history of the Talladega belt: New evidence for timing of arc magmatism and terrane emplacement along the southern Laurentian margin: The Journal of Geology, v. 115, p. 541-561, doi: 10.1086/519777.
44. McConnell, K.I., 1978, Geology of the Pumpkinvine Creek Amphibolite in northwestern Georgia: Geological Society of America Abstracts with Programs, v. 10, no. 4, p. 175.
45. McConnell, K.I., 1980, Origin and correlation of the Pumpkinvine Creek Formation: A new unit in the Piedmont of northern Georgia: Georgia Geologic Survey Information Circular 51, 19 p.
46. McConnell, K.I., and Abrams, C.E., 1984, Geology of the greater Atlanta region: Georgia Geological Survey Bulletin 96, 127 p.
47. McDonough, W.F., and Sun, S.S., 1995, The composition of the Earth: Chemical Geology, v. 120, no. 3-4, p. 223-253, doi: 10.1016/0009-2541(94)00140-4.
48. McKenzie, D., and Bickle, M.J., 1988, The volume and composition of melt generated by extension of the lithosphere: Journal of Petrology, v. 29, p. 625-679.
49. Miller, B.V., Fetter, A.H., and Stewart, K.G., 2006, Plutonism in three orogenic pulses, Eastern Blue Ridge Province, southern Appalachians: Geological Society of America Bulletin, v. 118, no. 1/2, p. 171-184, doi: 10.1130/B25580.1.
50. Miller, C.F., 1985, Are strongly peraluminous magmas derived from mature sedimentary (pelitic) sources?: The Journal of Geology, v. 93, p. 673-689, doi: 10.1086/628995.
51. 39Ar dating of Ordovician K-bentonites in Laurentia and Baltoscandia: Earth and Planetary Science Letters, v. 185, p. 121-134, doi: 10.1016/S0012-821X(00)00365-4.
52. Misra, K.C., and Conte, J.A., 1991, Amphibolites of the Ashe and Alligator Back Formations, North Carolina: Samples of Late Proterozoic-early Paleozoic oceanic crust: Geological Society of America Bulletin, v. 103, no. 6, p. 737-750, doi: 10.1130/0016-7606(1991)103 <0737:AOTAAA>2.3.CO;2.
53. Misra, K.C., and McSween, H.Y., Jr., 1984, Mafic rocks of the southern Appalachians: A review: American Journal of Science, v. 284, no. 4-5, p. 294-318.
54. Moecher, D.P., Samson, S., and Miller, C.F., 2004, Precise time and conditions of peak Taconian granulite facies metamorphism in the southern Appalachian orogen, U.S.A., with implications for zircon behavior during crustal melting events: The Journal of Geology, v. 112, no. 3, p. 289-304, doi: 10.1086/382760.
55. Pearce, J.A., and Stern, R.J., 2006, Origin of back-arc basin magmas: Trace element and isotope perspective, in Christie, D.M., Fisher, C.R., Lee, S-M., and Givens, S., eds., Backarc Spreading Systems, Geological, Biological, Chemical, and Physical Interactions: Geophysical Monograph, v. 166, p. 63-86.
56. Pearce, J.A., Harris, N.B.W., and Tindle, A.G., 1984, Trace element discrimination for the tectonic interpretation of granitic rocks: Journal of Petrology, v. 25, p. 956-983.
57. Rankin, D.W., Stern, T.W., Reed, J.C., Jr., and Newell, M.F., 1969, Zircon ages of felsic volcanic rocks in the upper Precambrian of the Blue Ridge, Appalachian Mountains: Science, v. 166, no. 3906, p. 741-744, doi: 10.1126/science.166.3906.741.
58. Salters, V.J.M., and Stracke, A., 2004, Composition of the depleted mantle: Geochemistry Geophysics Geosystems, v. 5, Q05004, doi: 10.1029/2003GC000597.
59. Samson, S.D., Patchett, P.J., Roddick, J.C., and Parrish, J.J., 1989, Origin and tectonic setting of Ordovician bentonites in North America: Isotopic and age constraints: Geological Society of America Bulletin, v. 101, p. 1175-1181, doi: 10.1130/0016-7606(1989)101<1175:OATSOO>2.3.CO;2.
60. Shearer, H.K., and Hull, J.P.D., 1918, A preliminary report on a part of the pyrites deposits of Georgia: Bulletin, Georgia Geologic Survey, 229 p.
61. Shervais, J.W., 1982, Ti-V plots and the petrogenesis of modern and ophiolitic lavas: Earth and Planetary Science Letters, v. 59, p. 101-118, doi: 10.1016/0012-821X(82)90120-0.
62. Spaggiari, C.V., Gray, D.R., Foster, D.A., and McKnight, S., 2003, Evolution of the boundary between the western and central Lachlan Orogen: Implications for Tasmanide tectonics: Australian Journal of Earth Sciences, v. 50, no. 5, p. 725-749, doi: 10.1111/j.1440-0952.2003.01022.x.
63. Spell, T.L., and Norrell, G.T., 1990, The Ropes Creek assemblage: Petrology, geochemistry, and tectonic setting of an ophiolitic thrust sheet in the southern Appalachians: American Journal of Science, v. 290, p. 811-842.
64. Stacey, J.S., and Kramers, J.D., 1975, Approximation of terrestrial lead isotope evolution by a two-stage model: Earth and Planetary Science Letters, v. 26, p. 207-221, doi: 10.1016/0012-821X(75)90088-6.
65. Stanley, R.S., and Ratcliffe, N.M., 1985, Tectonic synthesis of the Taconic orogeny in western New England: Geological Society of America Bulletin, v. 96, p. 1227-1250, doi: 10.1130/0016-7606(1985)96 <1227:TSOTTO>2.0.CO;2.
66. Stow, S.H., Neilson, M.J., and Neathery, T.L., 1984, Petrography, geochemistry, and tectonic, significance of the amphibolites of the Alabama Piedmont: American Journal of Science, v. 284, p. 416-436.
67. Sun, S.S., and McDonough, 1989, Chemical and isotopic systematics of oceanic basalts: Implications for mantle composition and processes, in Saunders, A.D., and Norry, M.J., eds., Magmatism in the ocean basins: Geological Society Special Publications, v. 42, p. 313-345.
68. Takahahshi, E., Katshji, N., and Wright, T.L., 1998, Origin of the Columbia River basalts: Melting model of a heterogeneous plume head: Earth and Planetary Science Letters, v. 162, p. 63-80, doi: 10.1016/S0012-821X(98)00157-5.
69. Thomas, C.W., 2001, Origins of mafic-ultramafic complexes of the eastern Blue Ridge province, southern Appalachians: Geochronological and geochemical constraints [M.S. thesis]: Nashville, Vanderbilt University, 154 p.
70. Thomas, W.A., 2004, Genetic relationship of rift-stage crustal structure, terrane accretion, and foreland tectonics along the southern Appalachian-Ouachita orogen: Journal of Geodynamics, v. 37, p. 549-563, doi: 10.1016/j.jog.2004.02.020.
71. Tull, J.F., 1978, Structural development of the Alabama Piedmont northwest of the Brevard zone: American Journal of Science, v. 278, p. 442-460.
72. Tull, J.F., and Holm, C.S., 2005, Structural evolution of a major Appalachian salient-recess junction: Consequences of oblique collisional convergence across a continental margin transform fault: Geological Society of America Bulletin, v. 117, no. 3/4, p. 482-499, doi: 10.1130/B25578.1.
73. Tull, J.F., and Stow, S.H., 1980, The Hillabee Greenstone: A mafic volcanic complex in the Appalachian Piedmont of Alabama: Geological Society of America Bulletin, v. 91, Part I, p. 27-36, doi: 10.1130/0016-7606(1980)91<27:THGAMV>2.0.CO;2.
74. Tull, J.F., Stow, S.H., Long, L., and Hayes-Davis, B., 1978, The Hillabee greenstones: Stratigraphy, geochemistry, structure, mineralization, and theories of origin: Mineral Resource Institute, Research Report 1, 100 p.
75. Tull, J.F., Ragland, P.C., and Durham, R.B., 1998, Geologic, geochemical, and tectonic setting of felsic meta volcanic rocks along the Alabama recess, southern Appalachian Blue Ridge: Southeastern Geology, v. 38, p. 39-64.
76. Tull, J.F., Barineau, C.I., Mueller, P.A., and Wooden, J.L., 2007, Volcanic arc emplacement onto the southernmost Appalachian shelf: Characteristics and constraints: Geological Society of America Bulletin, v. 119, no. 3/4, p. 261-274, doi: 10.1130/B25998.1.
77. White, R.S., and McKenzie, D., 1995, Mantle plumes and flood basalts: Journal of Geophysical Research, v. 100, no. B9, p. 17,543-17,585, doi: 10.1029/95JB01585.
78. Wilson, J.T., 1966, Did the Atlantic close and then re-open?: Nature, v. 211, p. 676-681, doi: 10.1038/211676a0.
79. Winchester, J.A., and Floyd, P.A., 1977, Geochemical discrimination of different magma series and their differentiation products using immobile elements: Chemical Geology, v. 20, no. 4, p. 325-343, doi: 10.1016/0009-2541(77)90057-2.
80. Xia, L.-Q., Xia, Z.-C., and Xu, X.-Y., 2003, Magma genesis in the Ordovician backarc basins of the northern Qilian Mountains, China: Geological Society of America Bulletin, v. 115, no. 12, p. 1510-1522, doi: 10.1130/B25269.1.
81. Yeates, W.S., McCallie, S.W., and King, F.P., 1896, A preliminary report on a part of the gold deposits of Georgia: Georgia Geological Survey Bulletin 4-A, 542 p.
82. Zagorevski, A., Rogers, N., van Staal, C.R., McNicoll, V., Lisseberg, C.J., and Valverde- Vaquero, P., 2006, Lower to Middle Ordovician evolution of peri-Laurentian arc and backarc complexes in Iapetus: Constraints from the Annieopsquotch accretionary tract, central Newfoundland: Geological Society of America Bulletin, v. 118, no. 3/4, p. 324-342, doi: 10.1130/B25775.1.