Structural Geology of the HimalayaP. S. Saklani |
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Page 82
... axes of quartz is developed in a rock in response to deformation during metamorphism . The poles of optic axes in such cases exhibit certain characteristic orientation patterns with maxima and girdle which contrast with random ...
... axes of quartz is developed in a rock in response to deformation during metamorphism . The poles of optic axes in such cases exhibit certain characteristic orientation patterns with maxima and girdle which contrast with random ...
Page 294
... axes and pucker lineation ( Fig . 10 ) , which despite being dispersed by F , structures possess a strong maximum ... axes , relationships similar to the above , particularly the variable orientation of coplanar F2 minor fold axes , is ...
... axes and pucker lineation ( Fig . 10 ) , which despite being dispersed by F , structures possess a strong maximum ... axes , relationships similar to the above , particularly the variable orientation of coplanar F2 minor fold axes , is ...
Page 299
... Axes of F , deformation ellipsoid , Xt2 . Yt2 , Zt2 = Axes of F2 deformation ellipsoid , 2 4 Angle between the particle long axes and the maximum extension direction ( X12 ) for F2 strain , 2 0 = Angle between the particle long axes and ...
... Axes of F , deformation ellipsoid , Xt2 . Yt2 , Zt2 = Axes of F2 deformation ellipsoid , 2 4 Angle between the particle long axes and the maximum extension direction ( X12 ) for F2 strain , 2 0 = Angle between the particle long axes and ...
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