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Fairy chimney development in cappadocian ignimbrites (Central Anatolia, Turkey)
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index.pdf
Date
2008
Author
Sayın, M. Naci
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The purpose of this study is to evaluate systematic fairy chimney development within Cappadocian ignimbrites. The first step in the sudy is to identify fairy chimney producing ignimbrites. Accordingly the fairy chimneys are formed within Kavak ignimbrite, at Kavak-Zelve transition, and within Zelve and Cemilköy ignimbrites. Field measurements are taken from the fairy chimneys to quantify the shape and the size. Slope of the selected areas are identified to investigate the most suitable topography. Analysis have shown that fairy chimneys have basal diameters ranging from 9.7 to 13.7 m, with heights in the range from 8.41 to 21.73 m. The slopes of fairy chimneys are 60 to 70 degrees with a slight asymmetry towards the upslope. The chimneys are sligthy rounded due to the erosion in the slope direction. Distances between the fairy chimneys change from a minimum of 5.45 m for Zelve and 42.72 m for Kavak chimneys. Fairy chimneys are developed in two stages. The first stage is the generation of topography suitable for the formation of fairy chimneys. Three main factors in this stage are degree of welding, thickness of ignimbrite and topographic slope. In the second stage, several local features contribute for the final shaping of the chimneys.
Subject Keywords
Geological engineering.
,
Ignimbrites
URI
http://etd.lib.metu.edu.tr/upload/12609451/index.pdf
https://hdl.handle.net/11511/17659
Collections
Graduate School of Natural and Applied Sciences, Thesis
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M. N. Sayın, “Fairy chimney development in cappadocian ignimbrites (Central Anatolia, Turkey),” Ph.D. - Doctoral Program, Middle East Technical University, 2008.
