Himalaya: Geological Aspects, Volume 2P. S. Saklani Contributed articles. |
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Page 256
... micaceous quartzite with pro- minent mineral lineation ( L ) marked by linear arrangement of biotite and dimensionally elon- gated quartz grains . A cleft girdle having two maxima and several sub - maxima around L , ( a ) girdle axis ...
... micaceous quartzite with pro- minent mineral lineation ( L ) marked by linear arrangement of biotite and dimensionally elon- gated quartz grains . A cleft girdle having two maxima and several sub - maxima around L , ( a ) girdle axis ...
Page 257
... Micaceous quartzite , S , with prominent L lineation . The quartz diagram is characteri- sed by a peripheral cleft ... Micaceous quartzite 35 S / 211 29 ° 57'42 " Sa - 35 / N260 L ( L , & S1 ) 200 78 ° 36'54 " : L - 20 / N300 Micaceous ...
... Micaceous quartzite , S , with prominent L lineation . The quartz diagram is characteri- sed by a peripheral cleft ... Micaceous quartzite 35 S / 211 29 ° 57'42 " Sa - 35 / N260 L ( L , & S1 ) 200 78 ° 36'54 " : L - 20 / N300 Micaceous ...
Page 461
... micaceous , gneisses are coarse grained and are usually banded ( PI . 4b ) with differentiated quartzo - feldspathic layers ( 5 mm in width ) . Beside muscovite and biotite the micaceous gneisses consist of quartz , K - feldspar and ...
... micaceous , gneisses are coarse grained and are usually banded ( PI . 4b ) with differentiated quartzo - feldspathic layers ( 5 mm in width ) . Beside muscovite and biotite the micaceous gneisses consist of quartz , K - feldspar and ...
Contents
The Central Himalayan Gneisses in Northern Pakistan | 1 |
LowPressure Metamorphism in a Regionally Metamorphic | 49 |
The Aureole Zone and Metasediments of Dhauladhar Chaori Khas H P | 75 |
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Almora amphibolite andalusite anticline assemblages augen gneiss axes axial plane axis Barun bedding belt Berinag Bhutan biotite Buxa Central Crystallines Chail Chail Nappes chlorite Chomolongma crenulation cleavage Darjeeling developed diagram eastern fabric facies faults feldspar folds foliation Formation fractures Fuchs Gansser Garhwal Garhwal Himalaya garnet Geol Geology girdle gneiss Gondwana grade grains granite gneiss Group Himalaya India isograd Jour Jutogh Khola Khumbu Kumaun kyanite Lesser Himalaya limestone lithological lower Main Central Thrust Makalu Massif mesoscopic metasediments mica schist micaceous migmatites mineral lineation muscovite mylonitic nappe Nepal occur orientation parallel pelitic Phaplu phase of deformation phyllites plagioclase porphyroblasts Pradesh Precambrian quartz quartzite reaction regional metamorphism rocks S₂ Saklani schist schistosity sedimentary sediments sequence sericite shear sillimanite Simla Siwalik Siyom slates staurolite stratigraphic strike-slip structural Surv syncline tectonic temperature Tethyan texture Thimpu thrust sheet thrust zone tourmaline trend upper Vaikrita Valdiya valley