Shortening Structures in Eastern and Northwestern Himalayan Rocks |
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Page 1
... Hercynian and Himalayan ( Alpidic ) orogenies . INTRODUCTION This work is aimed to describe the various types of shortening struc- tures developed in rocks of Darjeeling - Sikkim , Kumaun - Garhwal and southeastern Himachal regions ...
... Hercynian and Himalayan ( Alpidic ) orogenies . INTRODUCTION This work is aimed to describe the various types of shortening struc- tures developed in rocks of Darjeeling - Sikkim , Kumaun - Garhwal and southeastern Himachal regions ...
Page 55
... Hercynian ) and Upper Cretaceous to Pleistocene ( Himalayan or Alpidic ) events affected the Himalayan rocks . The nature and time of the geotectonic events ( orogenic or epeirogenic ) is partly still problematic , mainly because of the ...
... Hercynian ) and Upper Cretaceous to Pleistocene ( Himalayan or Alpidic ) events affected the Himalayan rocks . The nature and time of the geotectonic events ( orogenic or epeirogenic ) is partly still problematic , mainly because of the ...
Page 56
... Hercynian endogenetic process has been put forward by many workers . Ray ( 1971 , 1978 ) beleives that a major event of metamorphism and even emplacement of granite may be related to D1 phase of Daling orogeny having a possible Hercynian ...
... Hercynian endogenetic process has been put forward by many workers . Ray ( 1971 , 1978 ) beleives that a major event of metamorphism and even emplacement of granite may be related to D1 phase of Daling orogeny having a possible Hercynian ...
Contents
INTRODUCTION | 1 |
DARJEELINGSIKKIM REGION 824 | 8 |
KUMAUNGARHWAL REGION 2539 | 25 |
Copyright | |
3 other sections not shown
Common terms and phrases
Acharyya and Ray Alaknanda Almora and/or augen gneiss autochthonous axial planes B1 and B2 B2 structures B3 and B4 Badrinath bedded Berinag Berinag Pratapnagar Buxa Central Crystalline Chail Chakrata Chandpur Chandpur-Krol Nappe cleavage planes Damuda Darjeeling Darjeeling gneiss Darjeeling-Sikkim deformation Dehra Dun Deoban Deoprayag developed exposed F1 and F2 F4 folds fold type Gansser gneiss Gondwana granite half-klippe Hercynian Himalaya Himalayan geology Himalayan rocks Joshimath Jutogh Klippe km Southwest km-stone Krol Nappe Kumaun L1 and L2 large-scale Lesser Himalaya lineations L3 Lingtse gneiss Main Central Thrust major structures metamorphism mica schist migmatites Mukhem Munsiari Nainital Nappe NNE striking NorthEast occur orogenic Palaeozoic Parautochthon Paro Paro Group phyllite phyllonites plunge Precambrian puckers quartzites Raina Ramgarh Rampur Rangit Reyang road slope S₁ S3 cleavage schists Schwan Sikkim Simla Siwalik slates southeastern Himachal SSW vergence synformal T3 planes tectonic Tertiary thrust planes Tista Half-Window transversal trend Vaikrita Valdiya vergence WNW-ESE zone