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Page 352
Fabric of psammitic rocks : The fabric of psammitic rocks of the Badolisera-
Pithoragarh Zone is dependent, to a considerable extent, on the grain-size and
the mineralogy of the rocks. The relatively clean quartzites of the Bhatkot
Formation are ...
Fabric of psammitic rocks : The fabric of psammitic rocks of the Badolisera-
Pithoragarh Zone is dependent, to a considerable extent, on the grain-size and
the mineralogy of the rocks. The relatively clean quartzites of the Bhatkot
Formation are ...
Page 354
With still higher degree of deformation the grains become more equant in shape,
and with clearly defined grain boundaries. They are without any strain effect.
Minor amounts of sericite which may be present sometimes fonn helicitic trails or
...
With still higher degree of deformation the grains become more equant in shape,
and with clearly defined grain boundaries. They are without any strain effect.
Minor amounts of sericite which may be present sometimes fonn helicitic trails or
...
Page 358
8e ac Quartzite with slightly Weak concentration with maxima distributed in
elongated polygonal grains small circle at and around 'b'. Distroted monoclinic
flattened in 'ab' palne. symmetry. 8f bc - do - Almost complete 'bc' girdle. Weak
central ...
8e ac Quartzite with slightly Weak concentration with maxima distributed in
elongated polygonal grains small circle at and around 'b'. Distroted monoclinic
flattened in 'ab' palne. symmetry. 8f bc - do - Almost complete 'bc' girdle. Weak
central ...
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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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