Himalaya: geological aspectsContributed articles. |
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Page 90
Some of the assemblages, (i) and (ii), observed in the pelitic rocks may be
assigned to the epidote amphibolite facies of Eskola (1939) and appear to be
transitional in character between the high and low grade rocks. Eskola (1939)
regarded ...
Some of the assemblages, (i) and (ii), observed in the pelitic rocks may be
assigned to the epidote amphibolite facies of Eskola (1939) and appear to be
transitional in character between the high and low grade rocks. Eskola (1939)
regarded ...
Page 410
SUPERPOSITION OF ROCK ASSEMBLAGES The distribution of rock
assemblages in the investigated area has been influenced mainly by the tectonic
overlapping of crusal lamellae (nappe structure); partly by transversal megafold
bends ...
SUPERPOSITION OF ROCK ASSEMBLAGES The distribution of rock
assemblages in the investigated area has been influenced mainly by the tectonic
overlapping of crusal lamellae (nappe structure); partly by transversal megafold
bends ...
Page 548
Staurolite-biotite isograd The common occurrence of the staurolite-biotite-garnet-
bearing assemblages on the prograde side of the staurolite-biotite isograd in the
zones C, D and E and widespread occurrence of chlorite white mica i gamet on ...
Staurolite-biotite isograd The common occurrence of the staurolite-biotite-garnet-
bearing assemblages on the prograde side of the staurolite-biotite isograd in the
zones C, D and E and widespread occurrence of chlorite white mica i gamet on ...
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Contents
The Central Himalayan Gneisses in Northem Pakistan | 1 |
Ductile Shearing in Peridotites of Spongtang Nappe Ladakh | 27 |
LowPressure Metamorphism in a Regionally Metamorphic | 39 |
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Common terms and phrases
Almora amphibolite andalusite assemblages augen gneiss axes axial plane bedding belt Berinag Bhutan biotite Buxa Central Crystallines Chail Chail Nappes chlorite Chomolongma crenulation cleavage defined defonnation developed eastem F2 folds fabric facies faults feldspar field first flattening foliation Fonnation Formation fractures gamet Gansser Garhwal Garhwal Himalaya garnet Geol Geology girdle gneiss Gondwana grade grains granite gneiss Group Himalaya isograd Jour Jutogh Khola Khumbu Krol Kumaun kyanite Lesser Himalaya limestone lithological lower Main Central Thrust Makalu metasediments mica schist micaceous migmatites mineral lineation muscovite mylonitic nappe Nepal northem occur orientation parallel pattem pelitic Phaplu phase of deformation phyllites plagioclase porphyroblasts Pradesh Precambrian quartz quartzite reaction rocks Saklani schist schistosity sedimentary sediments sequence sericite shear significant sillimanite Simla Siwalik Siyom slates southem staurolite stratigraphic strike-slip structural Surv syncline tectonic texture Thimpu thrust sheet thrust zone trend upper Valdiya valley westem