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Page 246
Well developed axial plane schistosity marked by preferred orientation of (001)
cleavage of muscovite and biotite. General trend NW-SE. Mineral lineations (L,)
parallel to a direction with general NE-SW trend. 2. 3 Development of first folds ...
Well developed axial plane schistosity marked by preferred orientation of (001)
cleavage of muscovite and biotite. General trend NW-SE. Mineral lineations (L,)
parallel to a direction with general NE-SW trend. 2. 3 Development of first folds ...
Page 261
(3) The younger puckers L2 oblique or subnormal to L2 or Ls have been
developed during F2 phase of defonnation with a different strain pattem in
relation to F 2. Well developed L2 ('b ') lineation in mica schist and micaceous
quartzite points ...
(3) The younger puckers L2 oblique or subnormal to L2 or Ls have been
developed during F2 phase of defonnation with a different strain pattem in
relation to F 2. Well developed L2 ('b ') lineation in mica schist and micaceous
quartzite points ...
Page 288
Thus it is concluded that in the initial stages of D, defonnation tight isoclinal folds
(F I) developed on bedding plane (S1) on mesoscopic scale. With the
development of Fl folds prominent penetrative axial plane foliation (S 2)
developed which ...
Thus it is concluded that in the initial stages of D, defonnation tight isoclinal folds
(F I) developed on bedding plane (S1) on mesoscopic scale. With the
development of Fl folds prominent penetrative axial plane foliation (S 2)
developed which ...
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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
Bibliographic information
| Title | Himalaya: geological aspects Himalaya: Geological Aspects, P. S. Saklani, ISBN 8189304003, 9788189304003 Volume 15 of Current trends in geology Volume 2 of Himalaya:, P. S. Saklani, ISBN 8189304003, 9788189304003 |
| Author | P. S. Saklani |
| Editor | P. S. Saklani |
| Publisher | Satish Serial Pub. House, 2005 |
| ISBN | 8190228986, 9788190228985 |
| Length | 660 pages |
| Subjects | › › Geology Geology, Structural Metamorphism (Geology) Science / Earth Sciences / Geology |
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