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Effect of Rock Hardness and Moisture Content on Tafoni Weathering in the Granite of Mount Doeg-sung, Korea

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Many tafoni occur on the granite tors of Mount Doeg-sung, Korea. Relationships are investigated between growth processes of granite tafoni and rock properties such as rock hardness and moisture content. Field evidence shows that the rock surface of the inner backwalls and ceiling of tafoni have reduced hardness and higher moisture content compared to the outer visor of tafoni and to vertical cliff walls with no tafoni. This suggests that tafoni arise in weathered rock where conditions of low strength and high moisture content are both satisfied.

Keywords: Antarctica; granular disintegration; rock varnish; sheeting

Document Type: Research Article


Affiliations: 1: Institute of Geoscience, University of Tsukuba, Tsukuba, Japan, 2: Department of Geography, Faculty of Education and Regional Studies, Fukui University, Fukui, Japan

Publication date: April 1, 2000


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