Journal of Geological Society of India (Online archive from Vol 1 to Vol 78)

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Metamorphism and Development of Morphometric Parameters: An Illustration from Bino Basin-Almora Crystalline


Affiliations
1 Department of Geography, D.S.B. Campus, Kumaun University, Naini Tal (U.P.), India
2 Department of Geography, Almora Campus, Kumaun University, India
     

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Composition of drainage net in the Almora crystalline is considerably controlled by tectonics. The open synformal structure of Almora Nappe 1, composed of highly puckered granetiferous mica schist with stretched quartz lenses of High Grade Metamorphic rocks are demarcated by relatively higher values of drainage density (1.81 km/km2), stream frequency (6.22 channels/km2) and ruggedness number (1.26); and lower values of the length of first (2.05 krn), second (.85 km) and third (0.51 km) order streams, basin area (2.24 km), basin perimeter (6.68) and basin length (1.63 km) than that of the Low Grade Metamorphic rocks of the Almora Nappe II, composed of quartzite. phyllite, orthogneiss, granite, schist and amphibolite.
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  • Metamorphism and Development of Morphometric Parameters: An Illustration from Bino Basin-Almora Crystalline

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Authors

S. C. Joshi
Department of Geography, D.S.B. Campus, Kumaun University, Naini Tal (U.P.), India
J. S. Rawat
Department of Geography, Almora Campus, Kumaun University, India

Abstract


Composition of drainage net in the Almora crystalline is considerably controlled by tectonics. The open synformal structure of Almora Nappe 1, composed of highly puckered granetiferous mica schist with stretched quartz lenses of High Grade Metamorphic rocks are demarcated by relatively higher values of drainage density (1.81 km/km2), stream frequency (6.22 channels/km2) and ruggedness number (1.26); and lower values of the length of first (2.05 krn), second (.85 km) and third (0.51 km) order streams, basin area (2.24 km), basin perimeter (6.68) and basin length (1.63 km) than that of the Low Grade Metamorphic rocks of the Almora Nappe II, composed of quartzite. phyllite, orthogneiss, granite, schist and amphibolite.