Himalaya: Geological Aspects, Volume 2P. S. Saklani Contributed articles. |
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Page 629
... Bhutan area composite Bhutan Higher Himalaya North sikkim Formation Lithology Biostratigraphy Formation Tso Lhamo Formation ( Mid . Triassic ) Quartzite , shale and limestone Paraceratites trinodo- sus zone ( Anisian ) Plant fragments ...
... Bhutan area composite Bhutan Higher Himalaya North sikkim Formation Lithology Biostratigraphy Formation Tso Lhamo Formation ( Mid . Triassic ) Quartzite , shale and limestone Paraceratites trinodo- sus zone ( Anisian ) Plant fragments ...
Page 634
... Bhutan ( Nautiyal et al . , 1964 ) . These occur as lit - par - lit veins within the migmatites and thick sheets / sills , dykes , stocks and bosses within the Higher Himalayan gneisses and the Tethyan Hmalayan units . Radiometric ...
... Bhutan ( Nautiyal et al . , 1964 ) . These occur as lit - par - lit veins within the migmatites and thick sheets / sills , dykes , stocks and bosses within the Higher Himalayan gneisses and the Tethyan Hmalayan units . Radiometric ...
Page 637
... Bhutan these occur in the Lingshi area to the northwest , and in the northern border mountains . To the east these occur further south in the Tangchu valley and Black mountain areas , which are geographically located within the Lesser ...
... Bhutan these occur in the Lingshi area to the northwest , and in the northern border mountains . To the east these occur further south in the Tangchu valley and Black mountain areas , which are geographically located within the Lesser ...
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 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