Journal of Himalayan Geology, Volume 3Wadia Institute of Himalayan Geology, 1992 - Geology |
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Page 10
covers a they show overlap in the compositions of SiO2 , K20 , Na20 , Al2O3 ,
MnO , P2O5 , MgO , Nb , Y , Sr , Rb and Pb ... of granite composition , ( iv )
contains biotite rather than hornblende and are two mica granites ( muscovite
and biotite ) ...
covers a they show overlap in the compositions of SiO2 , K20 , Na20 , Al2O3 ,
MnO , P2O5 , MgO , Nb , Y , Sr , Rb and Pb ... of granite composition , ( iv )
contains biotite rather than hornblende and are two mica granites ( muscovite
and biotite ) ...
Page 37
... of geobarometers based on this assemblage gave very high or erroneously
low values due to the complexity of the activity - composition relationships of
calcium Tschermak's component in clinopyroxene and anorthite in plagioclase .
... of geobarometers based on this assemblage gave very high or erroneously
low values due to the complexity of the activity - composition relationships of
calcium Tschermak's component in clinopyroxene and anorthite in plagioclase .
Page 185
Their clasts have irregular shapes and varying composition . Melange zone also
comprises greywacke blocks . It consists of clasts of plagioclase , augite , chlorite
, epidote , chert and volcanolithic fragments , being dominant in thin sections .
Their clasts have irregular shapes and varying composition . Melange zone also
comprises greywacke blocks . It consists of clasts of plagioclase , augite , chlorite
, epidote , chert and volcanolithic fragments , being dominant in thin sections .
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Contents
Fold shape analysis in the vicinity of North Almora Thrust in District | 121 |
Simla group problem in HimalayaA critical review | 131 |
Geology of Kishanpur NagrotaBasantgarhGujru Nagrota Sector of Inner | 137 |
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Common terms and phrases
active associated average axis beds belt blocks central Chevron Folds compressive stresses crustal deformation developed direction displacement earthquake east east-west eastern estimated et al evidence exposed extension fault field folds Formation formed Garhwal Geol Geology grains granite Group Himalaya Himalayan Geology India indicate Jammu Jour landslide lateral left-lateral limestone lineation Lower major margin measurements melange metamorphism Mineral mm/a Molnar movement Murree normal faulting northern observed occurred oceanic offset ophiolitic orientation phase plane plateau Pradesh present pressure quartz quartzite range References region reported represent result rocks roughly samples sandstones seismic sequence Shan shape shear shortening Simla Sine Waves Siwalik Slates slip solutions southern specimens strain strike-slip faulting structures suggest surface Table Tapponnier tectonic thrust thrust faulting Tibet trending types units Upper valley volcanics western zone