Himalaya: Geological Aspects, Volume 3P. S. Saklani Contributed articles. |
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Page 104
... quartz were found to be strained with an undulatory extinction angle varying from 23 to 30 ° . The average grain size of quartz varied from 0.20mm to 0.50mm . Most of the strained quartz grains were recrystallized and fractured . In few ...
... quartz were found to be strained with an undulatory extinction angle varying from 23 to 30 ° . The average grain size of quartz varied from 0.20mm to 0.50mm . Most of the strained quartz grains were recrystallized and fractured . In few ...
Page 109
... quartz and feldspar ( mainly albite ) along with flakes of mica and recrystallized quartz grains . About 80-90 % quartz grains exhibited strain effects with UE angle varying from 35 to 40 ° . In the coarse laths of biotite the inclusion of ...
... quartz and feldspar ( mainly albite ) along with flakes of mica and recrystallized quartz grains . About 80-90 % quartz grains exhibited strain effects with UE angle varying from 35 to 40 ° . In the coarse laths of biotite the inclusion of ...
Page 179
... quartz occur as porphyroblast defining the main gneissic foliation . Bands of marble ( 200 m in thickness ) are also present which contain tremolite , diop- side and quartz . Near thrust , it is sheared and mylonitised . Green to dark ...
... quartz occur as porphyroblast defining the main gneissic foliation . Bands of marble ( 200 m in thickness ) are also present which contain tremolite , diop- side and quartz . Near thrust , it is sheared and mylonitised . Green to dark ...
Contents
A Historical Perspective 1945 | 19 |
Magnetotelluric Studies in Northwestern Himalaya 4760 | 47 |
Sedimentology of the Palaeogene Succession in Jammu Region 6177 | 61 |
Copyright | |
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aggregate Almora Almora Nappe Almora Thrust basin belt Bhagirathi biotite Budhakedar Central Crystalline Chail Chandpur chlorite compression deformation Delhi developed displacement ductile Duplex evolution facies feldspar Figure folds foliation Gansser Garhwal Garhwal Himalaya garnet Geol Geology gneiss grade granite gneiss granitoids Higher Himalaya Himachal Himalaya Himalayan geology India Indian plate Jour Jutogh Krol Kumar Kumaun kyanite Lesser Himalaya limestone lineaments longitudinal magnetotelluric Main Central Thrust MCT zone MCT-I medium metamorphism mica migmatites minerals mountain movement Murree muscovite mylonitic Nepal North Almora orogenic Paligad pelitic phases phyllite plagioclase plane porphyroclasts Pratapnagar quartz quartzite Ramgarh ramp regional metamorphism RG and TLg river rocks rotation Saklani sandstone schist schistosity sedimentary sediments shale shear zone showing sillimanite Singh Siwalik strike-slips structures studies Subathu subduction Surv Survey tectonic Tertiary Tethys texture thick thrust sheet Tibet tourmaline transverse trend Vaikrita Group Valdiya valley Yamuna