Structural Geology of the HimalayaP. S. Saklani |
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Page 43
... gneisses and is about 24 kms north of Ranikhet , a hill - station of Uttar Pradesh . The Dwarahat crystalline represents a part of Almora - Dudatoli thrust sheet which was considered by Heim and Gansser ( 1939 ) to be a huge crystalline ...
... gneisses and is about 24 kms north of Ranikhet , a hill - station of Uttar Pradesh . The Dwarahat crystalline represents a part of Almora - Dudatoli thrust sheet which was considered by Heim and Gansser ( 1939 ) to be a huge crystalline ...
Page 54
... gneisses of Almora - Dudatoli and Champawat regions to be instrusive rocks . In subsequent studies , Gupta ( 1961 ) , Pande et al . ( 1963 ) , Gansser ( 1964 ) , Pande and Powar ( 1968 ) and Singh ( 1972 ) have favoured granitization to ...
... gneisses of Almora - Dudatoli and Champawat regions to be instrusive rocks . In subsequent studies , Gupta ( 1961 ) , Pande et al . ( 1963 ) , Gansser ( 1964 ) , Pande and Powar ( 1968 ) and Singh ( 1972 ) have favoured granitization to ...
Page 67
... gneiss clearly involves the process of crystallisation of the porphyroblasts by metasomatism and subsequent deformation of the rocks . The srtucture is commonly seen in para- , granitic- , and porphyroblastic - gneisses . The augen gneisses ...
... gneiss clearly involves the process of crystallisation of the porphyroblasts by metasomatism and subsequent deformation of the rocks . The srtucture is commonly seen in para- , granitic- , and porphyroblastic - gneisses . The augen gneisses ...
Common terms and phrases
Almora anatexis anticline augen axes axial plane Badrinath basin beds Bhattacharya biotite Blaini cleavage Delhi developed direction earthquakes eastern Eocene F₂ fabric facies fault folds foliation Gansser Garhwal Garhwal Himalaya garnet Geol gneiss grained granitic gneisses Himalaya Indian Indian plate Indo-Pakistan Jour Jutogh Kashmir Klootwijk Krol Belt Krol thrust Kumaun Kumaun Himalaya Ladakh Lesser Himalaya limestone Lingtse Gneiss Lower Main Boundary Main Central Thrust metamorphism mica schist micaceous Middle Siwalik migmatite mineral lineation Mukhem mylonitic Naini nappe Nepal observed occur ophiolite orientation Pakistan palaeomagnetic parallel phase of deformation phyllite plagioclase porphyroblastic quartz quartzite Quetta region rocks rotation S₁ S₂ Saklani sandstone schist schistosity sedimentary sediments seismicity sequence shales shear Simla Sinha Roy Siwalik Siwalik Formation slate stratigraphic structures Surv Suture Zone syncline tectonic tectonites thrust sheet thrust zone Tibetan slab tourmaline trend units Upper Valdiya valley volcanics