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______________________________________________________________________________________ 2008 annual meeting – Spruce Pine Mining District: Little Switzerland, North Carolina ______________________________________________________________________________________ References cited for this field trip stop Brobst, D.A., 1962, Geology of the Spruce Pine district, Avery, Mitchell, and Yancey Counties, North Carolina: U.S. Geological Survey Bulletin 1122-A, 26p. Johnson, B.S., Miller, B.V., and Stewart, K.G., 2001, the nature and timing of Acadian deformation in the southern Appalachian Blue Ridge constrained by the Spruce Pine Plutonic Suite, western North Carolina: Geological Society of America Abstracts with Programs, v. 33, no. 2, p.30. Kish, S.A., 1983, A geochronological study of deformation and metamorphism in the Blue Ridge and Piedmont of the Carolinas [Ph.D. dissertation]: Chapel Hill, University of North Carolina, 220 p. Rankin, D.W., Espenshade, G.H., and Shaw, K.W., 1973, Stratigraphy and structure of the metamorphic belt in northwestern North Carolina and southwestern Virginia; a study from the Blue Ridge across the Brevard fault zone to the Sauratown Mountains anticlinorium, in Glover, Lynn, III, and Ribbe, P.H., eds., The Byron N. Cooper volume: American Journal of Science, v. 273-A, p. 1-40. Rankin, D.W., Black, D.F.B., Boyer, S.E., Daniels, D.L., Goldsmith, R., Grow, J.A., Horton, J.W., Jr., Hutchinson, D.R., Klitgord, K.D., McDowell, R.C., Milton, D.J., Owens, J.P., and Phillips, J.D., 1991, Transect E-4, central Kentucky to Carolina Trough: Geological Society of America, The Decade of North American Geology (DNAG), Continent-Ocean Transect Series, 16, 41 p., 2 sheets, scale 1:500,000, (North American Continent-Ocean Transect Program explanatory pamphlet) Raymond, L.A., Yurkovich, S.P., and McKinney, Marjorie, 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, Nicholas, eds., Melanges and Olistostromes of the U.S. Appalachians: Geological Society of America Special Paper, 228, p. 195-215. Trupe, C.H., Stewart, K.G., Adams, M.G., Waters, C.L., Miller, B.V., Hewitt, L.K., 2003, The Burnsville fault: Evidence for the timing and kinematics of southern Appalachian Acadian dextral transform tectonics: GSA Bulletin: November 2003; v.115, no.11, p.1365-1376. Stop No. 7 – Banquet stop (return to Little Switzerland for dinner then reboard buses for night fluorescent mineral Stop 8). Stop No. 8 – Night fluorescent mineral viewing – Emerald Village. ______________________________________________________________________________________ Page 61 ______________________________________________________________________________________
______________________________________________________________________________________ 2008 annual meeting – Spruce Pine Mining District: Little Switzerland, North Carolina ______________________________________________________________________________________ DAY TWO STOP No. 1 – New Exposure of the Linville Falls Fault By: Peter R. Margolin, petermargolin@hotmail.com and Alex Glover Four years ago, thanks to catastrophic flooding during hurricanes Ivan and Frances, which destroyed the Park Service's Linville Falls Visitor Center, scientists were provided with a new exposure of the Linville Falls Thrust Fault. At the west edge of the Grandfather Mountain window, less than a mile above Linville Falls, the Linville River cut a new but temporary channel across an ox-bow meander at a place called River Bend, less than a mile from the Blue Ridge Parkway. Although the channel was abandoned in less than a day--the time that elapsed for the river's floodwaters to subside--the effects of this event are still quite evident, and no attempt has been made to undo them. The chief effect was removal of a vast accumulation of soil, loose rock and vegetation as the temporary riverbed was scoured down to bedrock. The bedrock here is a sheet of Precambrian gneiss that is highly jointed as a result of its emplacement over Cambrian quartzite during a major episode of late Paleozoic thrust faulting. Thanks to the joint pattern in the gneiss, the river plucked out large angular blocks of gneiss during the several hours it flowed through its new channel. When the waters subsided, the newly scoured bedrock surface revealed substantial exposures of fissile mylonitic rock, a much larger exposure of the thrust fault mylonite than had ever been available before. ______________________________________________________________________________________ Page 62 ______________________________________________________________________________________
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The Spruce Pine Mining District - A
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GEOLOGY The geologic history of Spr
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The Sink Hole at Bandana: A Blue Ri
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additional quality, mica’s dielec
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1919). Holmes and others have specu
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FIGURE 1 William H. Holmes, taken d
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FIGURE 6 View in 1936 of “ancient
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FIGURE 10 View of the Seip Mound, R
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