Himalayan Geology: A Collection of Papers Presented at the Symposium Held in Calcutta During October 1963 |
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Page 9
... geochemical mapping , the rock samples are collected , analysed by the calorimetric or spectrochemical methods and plotted on the maps . The maps explain the geochemical history of the formations or mineral deposits . Spectrochemical ...
... geochemical mapping , the rock samples are collected , analysed by the calorimetric or spectrochemical methods and plotted on the maps . The maps explain the geochemical history of the formations or mineral deposits . Spectrochemical ...
Page 10
... geochemical maps can indicate the occurrence , the course and the limits of mineralisation . Applications of geochemical mapping in the Himalaya . For the collection of maximum possible information in short time in the Hima- layan ...
... geochemical maps can indicate the occurrence , the course and the limits of mineralisation . Applications of geochemical mapping in the Himalaya . For the collection of maximum possible information in short time in the Hima- layan ...
Page 13
... geochemical anomalies originating from metal occurrence at surface . Slag dumps from the old working may conveniently serve as the source where visible lodes are absent e.g , some profiles of geochemical anomalies for copper and lead in ...
... geochemical anomalies originating from metal occurrence at surface . Slag dumps from the old working may conveniently serve as the source where visible lodes are absent e.g , some profiles of geochemical anomalies for copper and lead in ...
Contents
Chowdhury and B Das Sharma | 9 |
vi Traverses in the Himalaya of U P A Ranga Rao | 31 |
ii Geomorphology and the Himalayas P C Hazra and B N Raina | 47 |
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Common terms and phrases
Alaknanda alluvium anticline Auden bands basin belt Bhagirathi biotite Blaini boulder bed carbonaceous Chails Chandpur chlorite clay colour conglomerate correlation Cretaceous deposits dolomite east exposed fault felspars flysch folded foliation foothills formations fossils Ganga Garhwal geochemical Geol Geological Survey geologists geophysical glacial glacier gneiss granite grey Himalaya indicate Indus flysch Jaunsars Jutogh Kalagarh Karewas Kashmir Krol Ladakh Larji limestone lithological Lower Siwalik Mandhali Mandi mapping metamorphic metres Middle Siwalik migmatites mineral mineralisation moraines Nagthat nappe nodules occur orogeny outcrops overlain overlying Panjal peaks pebbles phyllites Pleistocene Pradesh present Punjab purple quartz quartzite Ramganga region river salt sandstones schistose schists sediments seismic sequence shales Shali Simla Simla slates Siwalik snout Spiti stratigraphic structures Subathu Surv Survey of India Sutlej syncline tectonic terraces Tertiary thick thrust plane tion unconformity Upper Siwalik upto valley volcanic zone