Geology of the Western Himalaya |
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Page 90
... gneisses , such as augen gneiss , muscovite gneiss , biotite gneiss , quartzo - felspathic gneiss , garnetiferous gneiss etc. The intermixed schists within the gneissic complex contain kyanite , staurolite , garnet etc. In certain ...
... gneisses , such as augen gneiss , muscovite gneiss , biotite gneiss , quartzo - felspathic gneiss , garnetiferous gneiss etc. The intermixed schists within the gneissic complex contain kyanite , staurolite , garnet etc. In certain ...
Page 127
... gneiss The Main central thrust is immediately succeeded by the development of garnetiferous gneiss . At places , it is grading into garnet bearing mica schists . The gneissic / schistose rocks are accompanied by white to cream coloured ...
... gneiss The Main central thrust is immediately succeeded by the development of garnetiferous gneiss . At places , it is grading into garnet bearing mica schists . The gneissic / schistose rocks are accompanied by white to cream coloured ...
Page 130
... gneiss is found in most sections . It has a pre - dominance of alkali felspars . ( v ) Biotite - sericite schists with intercalations of biotite- alkali felspar - porphyroblastic gneiss having bluish grey orthoclases with dimensions 15 ...
... gneiss is found in most sections . It has a pre - dominance of alkali felspars . ( v ) Biotite - sericite schists with intercalations of biotite- alkali felspar - porphyroblastic gneiss having bluish grey orthoclases with dimensions 15 ...
Common terms and phrases
abstr Alaknanda Almora bands basin biotite Blaini formation calcerous Cambrian carbonaceous Chail Chail Nappe Chamoli Chor granite clays coloured shales comprises mainly conglomerates correlated deposition developed dolomite earthquake fault folded Formation This formation fossils Garhwal Garhwal group Garhwal-Kumaun Geol Geology glacial glaciers gneiss gneissic grained granite granitic body green coloured grey greyish Himachal Pradesh Himalaya horizons Indus Infra Krols Jammu Jutogh Kamlial Karewas Kashmir Krol belt Krol formation Kumar Kumaun Ladakh Lameri landslides lesser Himalaya limestone lithology lower Siwaliks main boundary thrust Main central thrust mation metabasics metamorphism metres middle Siwaliks number of places occur overlain overlies Palaeozoic Permian phyllites portion quartz quartzites river rock type Rudraprayag Saknidhar Salkhalas sandstones schists sections sedimentary sediments sequence shales Shali siltstones Simla slide slope failure Spiti Srinagar stage Stratigraphy structure Subathu Surv syncline tectonic Tethyan thick Triassic unconformably valley volcanics western Himalaya Yamuna Zanskar