Petrogenesis and structure of the Buck Creek mafic-ultramafic suite, Southern Appalachians: Constraints on ophiolite evolution and emplacement in collisional orogens

Bulletin of the Geological Society of America

Volumn 121, Issue 3-4, 2009, Pages 615-629

  Peterson, Virginia ^a   Ryan, Jeffrey G ^b   Becker, Alex ^a   Cochrane, Deborah ^a   Collins, John ^a   Frey, Bonnie ^a   Gaskin, Phyllis ^a   Kates, Kerry ^a   Lee, Aletha ^a   Lindenberg, Mary ^a   Lizee, Ted ^a   Lucas, Scott ^a   Manooch, Sam ^a   McCoy, Annie ^a   Meyers, Sam ^a   Morman Berger, Suzette ^a   O'Leary, Julie ^a   Olesky, Michael ^a   Palmer, James ^a   Pauley, Tim ^a   Rahl, Jeff ^a   Simons, Kyla ^a   Slusser, Tom ^a   Stonesifer, Kim ^a   Thomas, Christopher ^a   Thornberry, Trista ^a   more..

^a GRAND VALLEY STATE UNIVERSITY   (United States)

^b UNIVERSITY OF SOUTH FLORIDA   (United States)

Author keywords

Blue Ridge Province; High pressure; Ophiolite; Petrogenesis; Troctolite; Ultramafic

Indexed keywords

BLUE RIDGE PROVINCE; HIGH PRESSURE; OPHIOLITE; PETROGENESIS; TROCTOLITE; ULTRAMAFIC;

CHROMIUM; DEHYDRATION; FELDSPAR; HYDRATION; METALLIC GLASS; METAMORPHIC ROCKS; OCEANOGRAPHY; OLIVINE; PETROLOGY; ROCKS; SILICATE MINERALS; STRUCTURAL GEOLOGY;

LITHOLOGY;

ANORTHOSITE; COLLISION ZONE; CRYSTALLIZATION; EMPLACEMENT; HIGH PRESSURE; HYDRATION; IGNEOUS GEOCHEMISTRY; MAFIC ROCK; MID-OCEAN RIDGE; OPHIOLITE; OROGENY; PETROGENESIS; POINT SOURCE; STRUCTURAL GEOLOGY; SUBDUCTION ZONE; TECTONIC EVOLUTION; TECTONIC SETTING; ULTRAMAFIC ROCK; UPLIFT;

APPALACHIANS; BLUE RIDGE MOUNTAINS; NORTH AMERICA; UNITED STATES;

EID: 69949151481     PISSN: 00167606     EISSN: 00167606     Source Type: Journal    
DOI: 10.1130/B26302.1     Document Type: Article

References (82)

1. Abbott, R.N., and Greenwood, J.P., 2001, Retrograde metamorphism of eclogites in the southern Appalachian Mountains, U.S.A. - A case involving seamount subduction?: Journal of Metamorphic Geology, v. 19, p. 433-443, doi: 10.1046/j.0263-4929.2001.00321.x.
2. Abbott, R.N., and Raymond, L.A., 1984, The Ashe metamorphic suite, northwest North Carolina: Metamorphism and observations on geologic history: American Journal of Science, v. 284, p. 350-375.
3. Adams, M.G., and Trupe, C.H., 1997, Conditions and timing of metamorphism in the Blue Ridge thrust complex, northwestern North Carolina and eastern Tennessee, in Stewart, K.G., Trupe, C.H., and Adams, M.G., eds., Paleozoic Structure, Metamorphism, and Tectonics of the Blue Ridge of Western North Carolina: Banner Elk, North Carolina, Carolina Geological Society, Field Trip Guidebook, p. 33-47.
4. Anderson, E.A., and Moecher, D.P., 2007, Omphacite breakdown reactions and relation to eclogite exhumation rates: Contributions to Mineralogy and Petrology, v. 154, p. 253-277, doi: 10.1007/s00410-007-0192-x.
5. Anonymous, 1972, Penrose Field Conference on ophiolites: Geotimes, v. 17, p. 24-25.
6. Ballantyne, P., 1992, Petrology and geochemistry of the plutonic rocks of the Halmahera ophiolite, eastern Indonesia: An analogue of modern oceanic forearcs, in Ophiolites and Their Modern Oceanic Analogues, in Parson, L.M., Murton, B.J., and Browning, P., eds., Geological Society of London Special Publication 60, p. 179-202, doi: 10.1144/GSL.SP.1992.060.01.11.
7. Bebout, G.E., 1991, Field-based evidence for devolatilization in subduction zones: Implications for arc magmatism: Science, v. 251, p. 413-416, doi: 10.1126/science.251.4992.413.
8. Berger, S., Cochrane, D., Simons, K., Savov, I., Ryan, J.G., and Peterson, V.L., 2001, Insights from rare earth elements into the genesis of the Buck Creek complex, Clay County, NC: Southeastern Geology, v. 40, p. 201-212.
9. 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.
10. Bucher, K., Fazis, Y., de Capitani, C., and Grapes, R., 2005, Blueschists, eclogites, and decompression assemblages of the Zermatt-Saas ophiolite; high-pressure metamorphism of subducted Tethys lithosphere: The American Mineralogist, v. 90, p. 821-835, doi: 10.2138/ am.2005.1718.
11. Carpenter, J.R., and Phyfer, D.W., 1969, Proposed origin for the alpine type ultramafics of the Appalachians: Geological Society of America Abstracts with Programs, v. 1, no. 7, p. 216-263.
12. Coleman, R.G., 1984, The diversity of ophiolites: Geologie en Mijnbouw, v. 63, p. 1099-1108.
13. Coleman, R.G., 2000, Prospecting for ophiolites along the California continental margin, in Dilek, Y., Moores, E.M., Elthon, D., and Nicolas, A., eds., Ophiolites and Oceanic Crust: New Insights from Field Studies and the Ocean Drilling Program: Geological Society of America Special Paper 349, p. 351-364.
14. Dallmeyer, R.D., 1974, Eclogite inclusions in an alpine peridotite sill, Georgia - North Carolina: Their chemistry and petrogenetic evolution: American Journal of Science, v. 274, p. 356-377.
15. Dewey, J., 2003, Ophiolites and lost oceans: Rifts, ridges, arcs, and/or scrapings?, in Dilek, Y., and Newcomb, S., eds., Ophiolite Concept and the Evolution of Geological Thought: Geological Society of America Special Paper 373, p. 153-158.
16. Dick, H.J.B., and Bullen, T., 1984, Chromian spinel as a petrogenetic indicator in abyssal and alpine-type peridotites and spatially associated lavas: Contributions to Mineralogy and Petrology, v. 86, p. 54-76, doi: 10.1007/BF00373711.
17. Dilek, Y., 2003, Ophiolite concept and its evolution, in Dilek, Y., and Newcomb, S., eds., Ophiolite Concept and the Evolution of Geological Thought: Geological Society of America Special Paper 373, p. 1-16.
18. Eckert, J.O., Jr., Hatcher, R.D., Jr., and Mohr, D.W., 1989, The Wayah granulite-facies metamorphic core, southwestern North Carolina: High-grade culmination of Taconic metamorphism in the southern Blue Ridge: Geological Society of America Bulletin, v. 101, p. 1434-1447, doi: 10.1130/0016-7606(1989)101<1434:TWGFMC>2.3.CO;2.
19. Emilio, M.C., 1998, Metamorphic Evolution of the Buck Creek Mafic/ Ultramafic Complex, Clay County, North Carolina, USA [M.S. thesis]: Tampa, University of South Florida, 100 p.
20. Ernst, W.G., 2003, High-pressure and ultrahigh-pressure metamorphic belts - Subduction, recrystallization, exhumation, and significance for ophiolite study, in Dilek, Y., and Newcomb, S., eds., Ophiolite Concept and the Evolution of Geological Thought: Geological Society of America Special Paper 373, p. 365-384.
21. Goldberg, S.A., and Dallmeyer, R.D., 1997, Chronology of Paleozoic metamorphism and deformation in the Blue Ridge thrust complex, North Carolina and Tennessee: American Journal of Science, v. 297, p. 488-526.
22. Greenberg, J.K., 1976, The alpine ultramafic problem in the southern Appalachians: The Webster-Addie dunite: Geological Society of America Abstracts with Programs, v. 8, no. 2, p. 185.
23. Hadley, J.B., 1949, Preliminary report on corundum deposits in the Buck Creek peridotite, Clay County, North Carolina: U.S. Geological Survey Bulletin 948-E, p. 103-128.
24. Hahn, K.R., and Heimlich, R.A., 1977, Petrology of the dunite exposed at the Mincey Mine, Macon County, North Carolina: Southeastern Geology, v. 19, p. 39-53.
25. Hartley, M.E., III, 1973, Ultramafic and Related Rocks in the Vicinity of Lake Chatuge: Georgia Geological Survey Bulletin 85, 61 p.
26. Hatcher, R.D., Jr., 1977, Macroscopic polyphase folding illustrated by the Toxaway Dome, eastern Blue Ridge, South Carolina - North Carolina: Geological Society of America Bulletin, v. 88, p. 1678-1688, doi: 10.1130/0016-7606(1977)88<1678:MPFIBT>2.0.CO;2.
27. Hatcher, R.D., Jr., 1978, Tectonics of the western Piedmont and Blue Ridge, southern Appalachians: Review and speculation: American Journal of Science, v. 278, p. 276-304.
28. Hatcher, R.D., Jr., 1987, Tectonics of the southern and central Appalachian internides: Annual Review of Earth and Planetary Sciences, v. 15, p. 337-362, doi: 10.1146/annurev.ea.15.050187.002005.
29. Hatcher, R.D., Jr., and Butler, J.R., 1979, Guidebook for Southern Appalachian Field Trip in the Carolinas, Tennessee and Northeastern Georgia: Blacksburg, Virginia, International Geological Correlation Program, Caledonide Orogen Program Symposium, 117 p.
30. Hatcher, R.D., Jr., Hooper, R.J., Petty, S.R., and Willis, J.D., 1984, Structure and chemical petrology of three southern Appalachian mafic-ultramafic complexes and their bearing upon the tectonics of emplacement and origin of Appalachian ultramafic bodies: American Journal of Science, v. 284, p. 484-506.
31. 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. F2, plate 1.
32. Hatcher, R.D., Jr., Merschat, A.J., and Thigpen, J.R., 2005, Blue Ridge primer, in Hatcher, R.D., Jr., and Merschat, A.J., eds., Blue Ridge Geology Geotraverse East of the Great Smoky Mountains National Park, Western North Carolina: North Carolina Geological Survey, Carolina Geological Society Annual Field Trip Guidebook, p. 1-24.
33. Hawkins, J.W., 2003, Geology of supra-subduction zones - Implications for the origin of ophiolites, in Dilek, Y., and Newcomb, S., eds., Ophiolite Concept and the Evolution of Geological Thought: Geological Society of America Special Paper 373, p. 227-268.
34. Hess, H.H., 1933, Hydrothermal metamorphism of an ultrabasic intrusive at Schuyler, Virginia: American Journal of Science, v. 26, p. 377-408.
35. Hess, H.H., 1955, Serpentines, orogeny, and epeirogeny, in Poldervaart, A., ed., Crust of the earth - A symposium: Geological Society of America Special Paper 62, p. 391-408.
36. Hibbard, J., van Staal, C., Rankin, D., and Williams, H., 2006, Lithotectonic Map of the Appalachian Orogen: Geological Survey of Canada Map 2096A, scale 1:1,500,000.
37. Ishiwatari, A., Sokolov, S.D., and Vysotskiy, S.V., 2003, Petrological diversity and origin of ophiolites in Japan and Far East Russia with emphasis on depleted harzburgite, in Dilek, Y., and Robinson, P.T., eds., Ophiolites in Earth History: Geological Society of London Special Publication 218, p. 597-617.
38. Jaques, A.L., and Green, D.H., 1980, Anhydrous melting of peridotite at 0-15 Kb pressure and the genesis of tholeiitic basalts: Contributions to Mineralogy and Petrology, v. 73, p. 287-310, doi: 10.1007/BF00381447.
39. Jolivet, L., Raimbourg, H., Labrousse, L., Avigad, D., Leroy, Y., and Austrheim, H., 2005, Softening triggered by eclogitization; the first step toward exhumation during continental subduction: Earth and Planetary Science Letters, v. 237, p. 532-547, doi: 10.1016/ j.epsl.2005.06.047.
40. Jones, L.M., Hartley, M.E., III, and Walker, R.L., 1973, Strontium isotope composition of alpine ultramafic rocks in the Lake Chatuge district, Georgia - North Carolina: Contributions to Mineralogy and Petrology, v. 38, p. 321-327.
41. Kamenetsky, V.S., Crawford, A.J., and Sebastien, M., 2001, Factors controlling chemistry of magmatic spinel; an empirical study of associated olivine, Cr-spinel and melt inclusions from primitive rocks: Journal of Petrology, v. 42, p. 655-671, doi: 10.1093/petrology/42.4.655.
42. Kuntz, M.A., 1964, Compositional, Mineralogical, and Textural Variation in the Buck Creek Dunite, Clay County, North Carolina [M.S. thesis]: Chicago, Northwestern University, 104 p.
43. Kurth-Velz, M., Sassen, A., and Galer, S.J.G., 2004, Geochemical and isotopic heterogeneities along an island arc - spreading ridge intersection: Evidence from the Lewis Hills, Bay of Islands ophiolite, Newfoundland: Journal of Petrology, v. 45, p. 635-668, doi: 10.1093/ petrology/egg096.
44. Lacazette, A.J., Jr., and Rast, N., 1989, Tectonic mélange at Chunky Gal Mountain, North Carolina, in Horton, J.W., Jr. and Rast, N., eds. Mélanges and Olistostromes of the U.S. Appalachians: Geological Society of America Special Paper 228, p. 217-227.
45. Lang, H., Lee, A., Peterson, V., and Ryan, J.G., 2004, Coexisting clinopyroxene/spinel and amphibole/spinel symplectites in meta-troctolites from the Buck Creek ultramafic body, North Carolina Blue Ridge, USA: The American Mineralogist, v. 89, p. 20-30.
46. Lapen, T.J., Johnson, D.M., Baumgartner, L.P., Mahlen, N.J., and Beard, B.L., 2003, The duration of prograde metamorphism of a UHP terrane; an example from Lago di Cignana, Zermatt-Saas ophiolite, Italy: Geological Society of America Abstracts with Programs, v. 35, no. 6, p. 226.
47. Larrabee, D.M., 1966, Map Showing Distribution of Ultramafic and Intrusive Mafic Rocks from Northern New Jersey to Eastern Alabama: U.S. Geological Survey Miscellaneous Geological Investigations Map I-476, scale 1:500,000.
48. McBirney, A.R., and Noyes, R.M., 1979, Crystallization and layering of the Skaergaard Intrusion: Journal of Petrology, v. 20, p. 487-554.
49. McElhaney, M.S., and McSween, H.Y., Jr., 1983, Petrology of the Chunky Gal Mountain mafic-ultramafic complex, North Carolina: Geological Society of America Bulletin, v. 94, p. 855-874, doi: 10.1130/ 0016-7606(1983)94<855:POTCGM>2.0.CO;2.
50. McSween, H.Y., Jr., and Hatcher, R.D., Jr., 1985, Ophiolites(?) of the southern Appalachian Blue Ridge, in Woodward, N.B., ed., Field Trips in the Southeastern Appalachians: University of Tennessee, Department of Geological Sciences, Studies in Geology, v. 9, p. 144-170.
51. Meen, J.K., 1988, Mineral chemical variations in the Lake Chatuge mafic-ultramafic complex, North Carolina - Georgia: The P-T history of rocks in the Blue Ridge: Southeastern Geology, v. 29, p. 1-28.
52. Meen, J.K., and Lacazette, A.J., 1989, Comparative P-T histories at Chunky Gal, NC, and Lake Chatuge, NC-GA, Blue Ridge Province: Geological Society of America Abstracts with Programs, v. 21, no. 3, p. 50.
53. 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, p. 171-184, doi: 10.1130/ B25580.1.
54. Minarik, W.G., Gale, A., and Booker, C., 2003, Mont Albert to Buck Mountain; provenance of Appalachian ophiolite chromites using osmium isotopes: Eos (Transactions, American Geophysical Union), v. 84, no. 46, F1475.
55. Misra, K.C., and Keller, F.B., 1978, Ultramafic bodies in the southern Appalachians: A review: American Journal of Science, v. 278, p. 389-418.
56. Moecher, D.P., Samson, S.D., 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, p. 289-304, doi: 10.1086/382760.
57. Morman, S., Cochrane, D., Kates, K., Olesky, M., Pauley, T., Thomas, C., Lee, A., Lindenberg, M., Lizee, T., McCoy, A., Meyers, S., Rahl, J., Savov, I., Ryan, J.G., and Peterson, V.L., 1999, Petrogenesis and metamorphism of amphibolites from the Buck Creek mafic-ultramafic complex, Clay Co. NC: Geological Society of America Abstracts with Programs, v. 31, no. 3, p. A32.
58. Nicolas, A., and Boudier, F., 2003, Where ophiolites come from and what they tell us, in Dilek, Y., and Newcomb, S., eds., Ophiolite Concept and the Evolution of Geological Thought: Geological Society of America Special Paper 373, p. 137-152.
59. Ownby, S.E., Miller, C.F., Berquist, P.J., Carrigan, C.W., Wooden, J.L., and Fullagar, P.D., 2004, U-Pb geochronology and geochemistry of a portion of the Mars Hill terrane, North Carolina - Tennessee; constraints on origin, history, and tectonic assembly, 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. 609-632.
60. Page, F.Z., Essene, E.J., and Mukasa, S.B., 2003, Prograde and retrograde history of eclogites from the eastern Blue Ridge, North Carolina, USA: Journal of Metamorphic Geology, v. 21, p. 685-698, doi: 10.1046/j.1525-1314.2003.00479.x.
61. Pearce, J.A., 2003, Suprasubduction zone ophiolites; the search for modern analogues, in Dilek, Y., and Newcomb, S., eds., Ophiolite Concept and the Evolution of Geological Thought: Geological Society of America Special Paper 373, p. 269-293.
62. Pearce, J.A., and Cann, J.R., 1973, Tectonic setting of basic volcanic rocks determined using trace element analyses: Earth and Planetary Science Letters, v. 19, p. 290-300, doi: 10.1016/0012-821X(73)90129-5.
63. Pearce, J.A., Bickle, M.J., Nisbet, E., and de Roever, E.W.F., 1975, Trace elements and ophiolite origin: Eos (Transactions, American Geophysical Union), v. 56, no. 3, p. 164.
64. Rankin, D.W., 1975, The continental margin of eastern North America in the southern Appalachians: The opening and closing of the proto - Atlantic Ocean: American Journal of Science, v. 275-A, p. 298-336.
65. Rankin, D.W., Drake, A.A., Jr., Glover, L., III, Goldsmith, R., Hall, L.M., Murray, D.P., Ratcliffe, N.M., Read, J.F., Secor, D.T., Jr., and Stanley, R.S., 1989, Preorogenic terranes: 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. F2, p. 7-100.
66. Raymond, L.A., 1995, Petrology: The Study of Igneous, Sedimentary, and Metamorphic Rocks: Dubuque, Iowa, William C. Brown Publishers, 742 p.
67. Raymond, L., Yurkovich, S.P., and McKinney, M., 1989, Block-in-matrix structures in the North Carolina Blue Ridge belt and their significance for the tectonic history of the southern Appalachian orogen, in Horton, J.W., Jr., and Rast, N., eds., Mélanges and Olistostromes of the U.S. Appalachians: Geological Society of America Special Paper 228, p. 195-216.
68. Raymond, L.A., Swanson, S.E., Love, A.B., and Allan, J.F., 2003, Cr-spinel compositions, metadunite petrology, and the petrotectonic history of Blue Ridge ophiolites, southern Appalachian Orogen, USA, in Dilek, Y., and Robinson, P.T., eds., Ophiolites in Earth History: Geological Society of London Special Publication 218, p. 253-278.
69. Savov, I.P., Ryan, J.G., Haydoutov, I., and Schijf, J., 2001, Late Precambrian Balkan-Carpathian ophiolite - A slice of the Pan-African ocean crust? Geochemical and tectonic insights from the Tcherni Vrah and Deli Jovan massifs, Bulgaria and Serbia: Journal of Volcanology and Geothermal Research, v. 110, p. 299-318, doi: 10.1016/ S0377-0273(01)00216-5.
70. Serri, G., 1981, The petrochemistry of ophiolite gabbroic complexes: A key for the classification of ophiolites into low-Ti and high-Ti: Earth and Planetary Science Letters, v. 52, p. 203-212, doi: 10.1016/ 0012-821X(81)90221-1.
71. Shaw, H.F., and Wasserburg, G.J., 1984, Isotopic constraints on the origin of Appalachian mafic complexes: American Journal of Science, v. 284, p. 319-349.
72. Stevens, R.K., Strong, D.F., and Kean, B.F., 1974, Do some eastern Appalachian ultramafic rocks represent mantle diapirs produced above a subduction zone?: Geology, v. 2, p. 175-178, doi: 10.1130/ 0091-7613(1974)2<175:DSEAUR>2.0.CO;2.
73. Swanson, S.E., 1980, Petrology of the Rich Mountain ultramafic bodies and associated rocks, Watauga County, North Carolina: Southeastern Geology, v. 21, p. 209-225.
74. Swanson, S.E., Raymond, L.A., Warner, R.D., Ryan, J.G., Yurkovich, S.P., and Peterson, V.L., 2005, Petrotectonics of mafic and ultramafic rocks in Blue Ridge terranes of western North Carolina and northern Georgia, in Hatcher, R.D., Jr., and Merschat, A.J., eds., Blue Ridge Geology Geotraverse East of the Great Smoky Mountains National Park, Western North Carolina: North Carolina Geological Survey, Carolina Geological Society Annual Field Trip Guidebook, p. 73-90.
75. Tenthorey, E.A., Ryan, J.G., and Snow, E.A., 1996, Petrogenesis of sapphirine-bearing meta-troctolites from the Buck Creek ultramafic body, southern Appalachians: Journal of Metamorphic Geology, v. 14, p. 103-114.
76. Thomas, C., Lee, A., Olesky, M., Cochrane, D., Kates, K., Lindenberg, M., Lizee, T., McCoy, A., Meyers, S., Morman, S., Rahl, J., Pauley, T., Peterson, V.L., Emilio, M., and Ryan, J.G., 1999, Petrology and geochemistry of meta-troctolites in the Buck Creek ultramafic complex, Clay County, NC: Geological Society of America Abstracts with Programs, v. 31, no. 3, p. A71.
77. Trupe, C.H., Stewart, K.G., Adams, M.G., and Foudy, J.P., 2004, Deciphering the Grenville of the southern Appalachians through evaluation of the post-Grenville tectonic history in northwestern North Carolina, in Tollo, R.P., Corriveau, L., McLelland, J, and Bartholomew, M.J., eds., Proterozoic tectonic evolution of the Grenville orogen in North America: Boulder, Colorado, Geological Society of America Memoir 197, p. 679-695.
78. Wakabayashi, J., and Dilek, Y., 2003, What constitutes 'emplacement' of an ophiolite?: Mechanisms and relationship to subduction initiation and formation of metamorphic soles, in Dilek, Y., and Robinson, P.T., eds., Ophiolites in Earth History: Geological Society of London Special Publication 218, p. 427-447.
79. Warner, R.D., 2001, Mineralogy and petrology of meta-ultramafic rocks at Buck Creek, North Carolina: Southeastern Geology, v. 40, p. 183-200.
80. Willard, R.A., and Adams, M.G., 1994, Newly discovered eclogite in the southern Appalachian orogen, northwestern North Carolina: Earth and Planetary Science Letters, v. 123, p. 61-70, doi: 10.1016/ 0012-821X(94)90257-7.
81. Williams, H., 1978, Tectonic Lithofacies Map of the Appalachian Orogen: St. John's Memorial University of New-foundland Map 1, scale 1:1,000,000.
82. Yurkovich, S.P., 1977, The Corundum Hill dunite, Macon County, NC: Southeastern Geology, v. 19, p. 55-68.