Himalaya: Geological Aspects, Volume 3P. S. Saklani Contributed articles. |
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Page 104
... sericite and biotite ( Fig.2a ) . About 75 to 85 % grains of total 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 ...
... sericite and biotite ( Fig.2a ) . About 75 to 85 % grains of total 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 ...
Page 284
... Sericite II , Chlorite II , Quartz II , Green Biotite , Iron oxides , Sericite II , Chlorite II and III , K -feldspar I with relict core of clouded plagioclase I , Garnet II , Biotite II with Pleochroic haloes . Hercynian ( 520-240 Ma ) ...
... Sericite II , Chlorite II , Quartz II , Green Biotite , Iron oxides , Sericite II , Chlorite II and III , K -feldspar I with relict core of clouded plagioclase I , Garnet II , Biotite II with Pleochroic haloes . Hercynian ( 520-240 Ma ) ...
Page 285
... sericite , few grains of clouded plagioclase a . Carbonate Unit b . Slates c . Phyllites with schistose Amphibolites d . Migmatite Crystalline dolomatic limestone with siliceous bands and lenses of magnesite Quartz I , Sericite ...
... sericite , few grains of clouded plagioclase a . Carbonate Unit b . Slates c . Phyllites with schistose Amphibolites d . Migmatite Crystalline dolomatic limestone with siliceous bands and lenses of magnesite Quartz I , Sericite ...
Contents
The Formation of the Himalaya 117 | 1 |
A Historical Perspective 1945 | 19 |
Magnetotelluric Studies in Northwestern Himalaya 4760 | 47 |
Copyright | |
10 other sections not shown
Common terms and phrases
aggregate Almora Almora Nappe Almora Thrust basin belt Bhagirathi biotite Budhakedar Central Crystalline Chail Chandpur chlorite compression deformation Delhi deposited developed displacement ductile Duplex episode 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 neotectonic Nepal 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