Abstract
The geology and petrography of the area between Kakani and Kathmandu, Nepal, was studied to provide a basis for mapping mountain hazards. The study showed a close relationship between rock type and structure, degree of weathering, and susceptibility to landsliding and gully erosion. In addition the soil mineralogy indicates rather immature soils. Five rock units were recognized: a two-mica gneiss series primarily affected by an upper amphibolite facies metamorphism and later over-printed by greenschist facies metamorphism; marble-, quartzite and phyllite-, biotite gneiss-, and schist series that were only affected by the later metamorphism; tourmaline-muscovite granites and associated pegmatites that have been intruded into the other rock units.
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