Abstract
A detailed analysis of weathering-pit distribution on Georgia's Stone Mountain granite dome reveals a complex relationship between pit size and density, compared with slope aspect and angle. The uniform nature of the lithology provides an ideal natural laboratory for the analysis of weathering pits. Through the random establishment of 32 dome-encircling, ten-by-ten meter study plots within an elevational range from 610 to 650 meters, the distribution, size, aspect, slope and lithology of pit features were mapped, measured, and analyzed. Thematic maps were used in the visual representation of pit distribution and dimension data. Correlation coefficients, ANOVA, and multiple regression analyses were utilized to determine the relationships of these variables. Pits showed a dimensional and density increase toward a southwestern aspect as well as a dimensional and density increase with decreasing slope angle. Greatest pit dimensions were found at approximately the 200° N azimuth. These findings lead the author...
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