Himalaya: Geological Aspects, Volume 2P. S. Saklani Contributed articles. |
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Page 164
... cleavage have been affected by subsequent deformation phases . The F , micro folds are affected by open to tight nature of F , micro folds associated with crenulation cleavage . The S , fabric , concordant quartz veins and quartz ...
... cleavage have been affected by subsequent deformation phases . The F , micro folds are affected by open to tight nature of F , micro folds associated with crenulation cleavage . The S , fabric , concordant quartz veins and quartz ...
Page 166
... cleavage zones . In such cases , the S2 crenulation cleavage shows a more than normal orientation of mica flakes , streaks of opaque minerals and is invariably of ā discrete type " . The micro quartz veins are frequently observable in ...
... cleavage zones . In such cases , the S2 crenulation cleavage shows a more than normal orientation of mica flakes , streaks of opaque minerals and is invariably of ā discrete type " . The micro quartz veins are frequently observable in ...
Page 349
... cleavage is seen to cut across the bedding . Continuous cleavage ( S , ) : Continuous cleavage is very well ... Crenulation cleavage ( S ) : Small scale folds in mica schists , and to some extent those formed in micaceous quartzites and ...
... cleavage is seen to cut across the bedding . Continuous cleavage ( S , ) : Continuous cleavage is very well ... Crenulation cleavage ( S ) : Small scale folds in mica schists , and to some extent those formed in micaceous quartzites and ...
Contents
The Central Himalayan Gneisses in Northern Pakistan | 1 |
LowPressure Metamorphism in a Regionally Metamorphic | 49 |
The Buniyar Granite of the Kashmir Himalaya | 61 |
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Acharyya 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 developed diagram fabric facies faults feldspar folds foliation Formation fractures 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 North Almora Thrust occur orientation parallel pelitic Phaplu phase of deformation phyllites plagioclase porphyroblasts Pradesh Precambrian quartz quartzite reaction regional metamorphism rocks Sā 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