Structural Geology of the HimalayaP. S. Saklani |
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Page 32
... direction of maximum stress . The geometrical pattern of this preferred orientation results into planar and linear fabrics in the deformed rocks . Planar Structures : Schistosity and slaty cleavage are the commonest types of planar ...
... direction of maximum stress . The geometrical pattern of this preferred orientation results into planar and linear fabrics in the deformed rocks . Planar Structures : Schistosity and slaty cleavage are the commonest types of planar ...
Page 33
... direction of tectonic transport . Another view regarding the lineations is that they represent the direction of maximum finite extension ( Hobbs , Means and Williams , 1976 ) . In the areas that have undergone a coaxial strain history ...
... direction of tectonic transport . Another view regarding the lineations is that they represent the direction of maximum finite extension ( Hobbs , Means and Williams , 1976 ) . In the areas that have undergone a coaxial strain history ...
Page 84
... direction of the earlier deformation coincided with the b direction of the later deformation . Cloos ( 1947 ) tried to explain bc girdle by a transverse strain by analogy of the move- ment of a train ; while the train moves ahead there ...
... direction of the earlier deformation coincided with the b direction of the later deformation . Cloos ( 1947 ) tried to explain bc girdle by a transverse strain by analogy of the move- ment of a train ; while the train moves ahead there ...
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