Stratigraphy of the Lesser Himalayan rocks in Kumaun
The geology of Kumaun Lesser Himalaya falls within three main tectonic units, viz the Almora Nappe, Inner Krol Nappe and the Outer Krol Nappe, and the three units comprising the entire succession occur in five distinct zones or belts. The stratigraphy of the area has been revised on the basis of the occurrences of chloritic horizons (spilites) and also the existence of an unconformity at the base of Loharkhet/Bageshwar/Ganai/Bhimtal Formation. This paper describes briefly the lithological and structural characters of the rocks of the five belts and the observations are synthesized to present an integrated picture of the regional stratigraphic framework for the metasediments lying between the Main Central Thrust and the Main Boundary Thrust/Fault which define the tectonic boundaries of the Lesser Himalaya in Kumaun.
Volume 128 | Issue 8
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