Geology of the Lower Himalaya (Garhwal) |
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Page 109
... strain estimation of the Pratapnagar quartzite of the Uttarkashi area . The XY plane in the quartzite is parallel to the foliation and the lineation is defined by X- axis . Thin sections parallel to XZ , XY and YZ were studied . In the ...
... strain estimation of the Pratapnagar quartzite of the Uttarkashi area . The XY plane in the quartzite is parallel to the foliation and the lineation is defined by X- axis . Thin sections parallel to XZ , XY and YZ were studied . In the ...
Page 119
... strain direction . angle from the Rf long axis to the maximum principal strain direction . Es V = = 1 - K 1 + K -1 1.0 Prolate Ellipsoid -0.5 Voct . Es 0.5- 60 0.0 o Plane Strain Flattening Field Oblate Ellipsoid +05 5 . = 0.5E 2 +1 1.0 ...
... strain direction . angle from the Rf long axis to the maximum principal strain direction . Es V = = 1 - K 1 + K -1 1.0 Prolate Ellipsoid -0.5 Voct . Es 0.5- 60 0.0 o Plane Strain Flattening Field Oblate Ellipsoid +05 5 . = 0.5E 2 +1 1.0 ...
Page 120
... strain with prolate type of ellipsoids . The stretching of the quartz grains was maximum along X coincid- ing with the NE - SW thrust transport direction . Initially , the elongation of quartz grains was along Y axis which was ...
... strain with prolate type of ellipsoids . The stretching of the quartz grains was maximum along X coincid- ing with the NE - SW thrust transport direction . Initially , the elongation of quartz grains was along Y axis which was ...
Common terms and phrases
Almora amphibolite Auden Bahuguna Banali bands Berinag Bhagirathi valley Bhainga Slate Bhatwari Bhelunta limestone Bhilangna valley biotite biotite schist Calc Zone Central Crystalline Chail Chail Nappe Chandpur Chandpur phyllite characterized chlorite chloritoid deformation Delhi Dharkot duplex exposed faults feldspar folds foliation Gansser Garhwal Himalaya garnet Geol Geology gneiss gneissic granite gneiss grey Gwar Gwar Phyllite high grade Himalaya Jour Jutogh Kotga Kotga-Banali Krol Nappe Krol Thrust Kumar Kumaun Kumaun Himalaya kyanite Lesser Himalaya limestone lithologies Lower Himalaya Main Central Thrust MCT-III Metabasics metamorphism mica migmatite minerals Mukhem Mussoorie mylonitized Nagthat nappe Narendranagar area Paturi phyllite plane porphyroblastic Pradesh Pratapnagar quartzite Precambrian quartz quartz grains quartzite quartzofeldspathic rocks Sainj Saklani Satendra schist schistose shales shear shortening showing sillimanite Simla Simla slates Siwaliks strain structures Subathu Surv tectonic Tehri Garhwal thrust zone Today & Tomorrow's Tomorrow's Publishers Upper upto Uttarkashi Vaikrita Valdiya Yamuna Yamuna valley