Structural Geology of the HimalayaP. S. Saklani |
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Page 20
... Axial plane cleavage is exclusively developed in shaly members and is most prominently observed in the Spiti shales , where it can be mistaken for bedding planes . In thinly laminated and fine grained carbonate rocks , axial plane is ...
... Axial plane cleavage is exclusively developed in shaly members and is most prominently observed in the Spiti shales , where it can be mistaken for bedding planes . In thinly laminated and fine grained carbonate rocks , axial plane is ...
Page 81
... axial plane schistosity are broadly synchronous . 2. Axial plane schistosity is developed mostly by compre- ssion normal to the axial sur- faces of B folds . Variation in the attitude and orientation of S , is mainly by superposed F2 ...
... axial plane schistosity are broadly synchronous . 2. Axial plane schistosity is developed mostly by compre- ssion normal to the axial sur- faces of B folds . Variation in the attitude and orientation of S , is mainly by superposed F2 ...
Page 140
... axial- plane - cleavage . Most common linear structure is the intersection of bedding and cleavage ( L1 ) . Minor ... axial trends of F , and F2 make the studies difficult . 1 Fold Episode II ( F ) : The folding has given rise to a ...
... axial- plane - cleavage . Most common linear structure is the intersection of bedding and cleavage ( L1 ) . Minor ... axial trends of F , and F2 make the studies difficult . 1 Fold Episode II ( F ) : The folding has given rise to a ...
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