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GEOLOGY OF THE WEST HALF OF THE COVE CREEK GAP QUADRANGLE AND ADJACENT AREAS, WESTERN NORTH CAROLINA: INSIGHTS INTO EASTERN GREAT SMOKY MOUNTAINS TECTONOMETAMORPHISMSpaulding, Daniel F. 01 January 2014 (has links)
Three outstanding problems related to the tectonic evolution of the Western Blue Ridge in the eastern Great Smoky Mtns. (GSM) include: (1) the nature of the Greenbrier Fault, previously interpreted as a younger over older pre-Taconic thrust fault with ~24 km of displacement between the Snowbird and Great Smoky Groups; (2) the relationship of regional metamorphism, expressed by the growth of porphyroblastic index minerals, to folding and foliation development in pelitic metasediments; (3) the relation of deformation to regional Taconian metamorphism. These problems were addressed in previous studies that did not have detailed mapping and petrography as a context. By using 1:24000 bedrock mapping in the eastern GSM in the area of the Greenbrier Fault and where regional metamorphic isograds are telescoped as a context, it can be concluded that: (1) the Greenbrier Fault exhibits an unconstrainable amount of post-metamorphic slip along the contact of the Great Smoky and Snowbird Groups and is not a major tectonic feature within the western Blue Ridge; (2) there is no direct spatial/coeval relationship between porphyroblast growth and foliation formation/matrix deformation that is consistent throughout the study area; (3) further work and mapping outside of the study area (S and SE) is needed when considering the relation of deformation to regional Taconian metamorphism, because of the non-pelitic nature of the Great Smoky and Snowbird Groups.
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On Top of Old Smoky, Then and Now: Paying Tribute to Those Who Gave Us Their Homes and Their MusicOlson, Ted S. 01 January 2017 (has links)
Excerpt: The 2016 album On Top of Old Smoky: New Old-Time Smoky Mountain Music paid tribute to the 4,250 people from 700 families who gave—or, depending on one’s perspective, surrendered—their ancestral homes to create Great Smoky Mountains National Park, the most ecologically diverse area in the Appalachian region and the most popular national park in the US. Its ecosystems having recovered from extensive early-twentieth-century logging, this park simultaneously possesses a reconstructed wilderness and preserves a compelling cultural heritage story; indeed, Great Smoky Mountains National Park has been declared an International Biosphere Reserve and UNESCO World Heritage Site. Despite such official acknowledgement of the park’s significance, one story has rarely been told: the true story of those who sacrificed the most to make the park possible.
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Ozone monitoring and canopy effect in the Great Smoky Mountains National ParkMaloney, Ryan, January 2003 (has links) (PDF)
Thesis (M.S.)--University of Tennessee, Knoxville, 2003. / Title from title page screen (viewed Sept. 17, 2003). Thesis advisor: Wayne T. Davis. Document formatted into pages (x, 102 p. : ill., maps, charts). Vita. Includes bibliographical references (p. 39-40).
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PETROFABRIC AND GEOCHEMICAL ANALYSIS OF THE GREAT SMOKY -- SNOWBIRD GROUP CONTACT, WESTERN BLUE RIDGE, NORTH CAROLINA AND TENNESSEEClemons, Kristopher M. 01 January 2006 (has links)
Detailed structural and petrographic analysis of the Greenbrier Fault (GBF) reveal different fold and fabric styles and generations preserved in the Great Smoky Group (GSG) hanging wall and Snowbird Group (SG) footwall. Four planar fabrics (S0, S1, S2, and S3) are completely overprinted within meters of the contact by shear zone-related fabrics. Bedding (S0) is defined by planar laminations in the SG siltstones. S1 is weak, not associated with folding of S0, and defined locally by sub-parallel alignment of biotite. S2 (slaty cleavage) is deflected into a disjunctive planar (in GSG) or continuous planar (in SG) S3 foliation characterized by mica formation and dynamic recrystallization of quartz. Metamorphic microstructures indicate lower greenschist to upper amphibolite facies Taconian metamorphism is syn- to post-S2, and pre-S3. Local lower greenschist facies retrograde metamorphism precedes S3 formation. A meter scale, ductile mesoscopic shear zone in SG at the GSG-SG contact is characterized by S/C fabric; this is the youngest deformational event and postdates retrograde mineral assemblages indicating postmetamorphic motion along the contact. Premetamorphic fault fabrics indicative of GSG thrusting onto the SG were absent or completely reconstituted during metamorphism and deformation. The Metcalf phyllite and Pigeon siltstone were also compared to test the hypothesis that the Metcalf phyllite is tectonized Pigeon siltstone. Major and trace element abundances are similar between the lithologies, with the exception of depletion of Ca, Na and Zr in the Metcalf. The system appears to have been open with respect to these elements. It is concluded that the Metcalf phyllite is the tectonized equivalent of the Pigeon siltstone based on lateral continuity, the strong macroscopic and microscopic resemblance of weakly deformed Metcalf to the Pigeon, similar mean values and ranges in major, minor, and trace elements, and identical rock densities.
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Applications of surface electrical resistivity surveys and modflow modeling in Smoky Hill River aquifer, Kansas /Shei, Tai-Chyi. January 2007 (has links)
Thesis (Ph.D.)--University of Texas at Dallas, 2007. / Includes vita. Includes bibliographical references (leaves 132-135)
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Current status of the threatened spotfin chub (Erimonax monachus) and the endangered duskytail darter (Etheostoma percnurum) in Abrams Creek, Great Smoky Mountains National Park a thesis presented to the faculty of the Graduate School, Tennessee Technological University /Gibbs, W. Keith, January 2009 (has links)
Thesis (M.S.)--Tennessee Technological University, 2009. / Title from title page screen (viewed on Aug. 19, 2009). Bibliography: leaves 39-45.
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Reintroduction success of smoky madtom Noturus baileyi and yellowfin madtom Noturus flavipinnins in Abrams Creek, Great Smoky Mountains National Park a thesis presented to the faculty of the Graduate School, Tennessee Technological University /Throneberry, Jason K., January 2009 (has links)
Thesis (M.S.)--Tennessee Technological University, 2009. / Title from title page screen (viewed on Aug. 25, 2009). Bibliography: leaves 34-39.
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A watershed classification system based on headwater catchments in Great Smoky Mountains National Park, Tennessee-North CarolinaLafrenz, Martin Dietrich. January 2005 (has links) (PDF)
Thesis (Ph. D.) -- University of Tennessee, Knoxville, 2005. / Title from title page screen (viewed on Feb. 14, 2006). Thesis advisor: Carol P. Harden. Vita. Includes bibliographical references.
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Environmental Impacts to Stream Acidification and Brook Trout Populations in the Great Smoky Mountains National ParkNeff, Keil Jason 01 December 2010 (has links)
This research supports development of aquatic resource management strategies to address acid deposition in the Great Smoky Mountain National Park (GRSM) by 1) developing relationships between baseflow and stormflow chemical constituents and examining effects of elevation, area, geology, soil, and vegetation on stream chemistry; 2) evaluating physiological condition in brook trout in relation to changes in stream chemistry during stream acidification episodes, and 3) evaluating brook trout metrics with respect to stream chemistry, basin characteristics, and ecologically relevant hydrologic parameters. (1) Stream chemistry was monitored in eight GRSM streams considering basin area, site elevation, Anakeesta geology, soil, and vegetation. Following precipitation events, pH was significantly reduced and aluminum concentrations increased, while the concentration response of ANC, nitrate, sulfate, and base cations varied. Higher pH and ANC concentrations were observed in large and low-elevation streams. (2) Caged brook trout were exposed to two acid episodes during in situ bioassays conducted in three GRSM streams. Stream pH decreased (>0.7 pH units) and total dissolved aluminum increased (>0.175 mg/L) at all three sites during acid episodes. Whole-body sodium concentrations were significantly reduced (10-20%) when preceding 24-h time weighted average pH values (4.88, 5.09, 4.87) and corresponding 24-h aluminum concentrations (210, 202, 202 µg/L). Lower whole-body sodium concentrations were correlated with elevated proton and aluminum concentrations indicating physiological distress. (3) Water chemistry, hydrology and physical basin factors influenced brook trout distributions and densities in 16 collocated fish and water quality sampling sites (1990-2009). Higher concentrations of ANC, pH, sodium, and soil cation exchange capacity, and higher fall flows were associated with the presence of brook trout. Trout densities were higher in streams with higher concentrations of sodium, suggesting that sodium may ameliorate the effects of acid toxicity. These relationships provide useful information where GRSM managers can prioritize conservation and restoration efforts.
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Seasonality, variation in species prevalence, and localized disease for Ranavirus in Cades Cove (Great Smoky Mountains National Park) amphibiansTodd-Thompson, Megan 01 May 2010 (has links)
World-wide amphibian declines sparked concern and encouraged investigation into potential causes beginning in the 1980’s. Infectious disease has been identified as one of the major potential contributors to amphibian declines. For example, Ranavirus has caused amphibian die-offs throughout the United States. Investigators isolated Ranavirus from dead or moribund amphibians during large-scale die-offs of amphibians in the Cades Cove area of Great Smoky Mountains National Park in 1999-2001. In 2009, after nearly a decade without follow-up monitoring, I undertook an investigation to determine if the virus persisted in the area, and if so, to assess spatial, temporal, and taxonomic patterns in prevalence. Three amphibian breeding ponds, including Gourley Pond, the site of these earlier mortality events, were monitored for Ranavirus during the 2009 amphibian breeding season. A peak in prevalence occurred at Gourley Pond corresponding to a massive amphibian die-off. Prevalence varied among three different taxonomic groups during this mortality event with the highest prevalence, 84%, detected in larval Ambystomatids, 44.4% prevalence in adult Newts, and no virus detected in adult Plethodontids. I did not detect virus at either of the other two breeding ponds despite equivalent sampling effort, similar community composition, and close proximity to Gourley Pond. These results suggest that the severity and spatial extent of Ranavirus in Cades Cove remains unchanged since its initial detection a decade ago. Also, despite the observed massive die-offs there is no evidence of local amphibian extinction at Gourley Pond.
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