Shortening structures in eastern and northwestern Himalayan rocks

Acharyya and Ray Alaknanda Almora Alpidic and/or approximately 3 km augen gneiss autochthonous axial planes B3 and B4 Badrinath bedded Berinag Berinag Pratapnagar Buxa Central Crystalline Chail Chakrata Chandpur Chandpur-Krol Nappe cleavage planes crenulation cleavage Damuda Darjeeling Darjeeling gneiss Darjeeling-Sikkim deformation Deoban Deoprayag developed exposed F4 folds F4 structures fold type Formation Gansser gneiss Gondwana Gorubathan granite half-klippen Hercynian Himalayan Himalayan geology Himalayan regions Himalayan rocks Jaunsar-Berinag Joshimath Jutogh Klippe klippen km-stone Kumaun large-scale Lesser Himalaya Lingtse gneiss Main Central Thrust major structures metamorphism mica schist migmatites movement planes Mukhem Munsiari mylonites Nappe NNE striking NorthEast occur orogenic Palaeozoic Parautochthon Paro Paro Group phyllite phyllonites plunge Precambrian puckers quartzite Raina Ramgarh Rampur Rangit recumbent Reyang road slope S3 cleavage schist Schwan sequence Shortening Structures Sikkim Simla Siwalik slates small-scale structures SSW vergence synformal T3 planes tectonic Tertiary thrust planes Tista Half-Window transversal trend Vaikrita Valdiya vergence WNW striking WNW-ESE zone