Himalaya: Geological Aspects, Volume 2P. S. Saklani Contributed articles. |
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Page 92
... sillimanite and cordierite . Commonly , it is observed that cordierite is associated with both biotite and muscovite , particularly in rocks rich in FeO whereas microcline and / or perthite occur in sillimanite - cordierite bearing ...
... sillimanite and cordierite . Commonly , it is observed that cordierite is associated with both biotite and muscovite , particularly in rocks rich in FeO whereas microcline and / or perthite occur in sillimanite - cordierite bearing ...
Page 144
Geological Aspects P. S. Saklani. Sillimanite Zone The development of sillimanite schist was marked near Rehla . The mineral assemblages of this zone are : 9. Quartz - plagioclase - biotite - almandine - sillimanite - kyanite ...
Geological Aspects P. S. Saklani. Sillimanite Zone The development of sillimanite schist was marked near Rehla . The mineral assemblages of this zone are : 9. Quartz - plagioclase - biotite - almandine - sillimanite - kyanite ...
Page 550
... sillimanite . The modal decrease of kyanite and textural evidence of sillimanite fringing kyanite are supporting evidences of the reaction ( 4 ) . In Figure 16 the reactant and product assemblages of the reaction ( 4 ) are plotted ...
... sillimanite . The modal decrease of kyanite and textural evidence of sillimanite fringing kyanite are supporting evidences of the reaction ( 4 ) . In Figure 16 the reactant and product assemblages of the reaction ( 4 ) are plotted ...
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