Records of the Geological Survey of India, Volume 123, Parts 7-8Government of India, 1988 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 7
... pegmatite all along this contact is a noteworthy feature . The Pur - Banera Group , also a cover formation , commencing with a basal conglomerate , has tectonic contact with the Mangalwars . The polymodal composition of the ...
... pegmatite all along this contact is a noteworthy feature . The Pur - Banera Group , also a cover formation , commencing with a basal conglomerate , has tectonic contact with the Mangalwars . The polymodal composition of the ...
Page 97
... pegmatites related to this phase , host tungs- ten mineralisation in Balda and Uttara - Kaldari areas . Alteration at ... pegmatite in the area has indicated 150 ppm Sn . In view of impersistent nature of greisens and overall low W - Sn ...
... pegmatites related to this phase , host tungs- ten mineralisation in Balda and Uttara - Kaldari areas . Alteration at ... pegmatite in the area has indicated 150 ppm Sn . In view of impersistent nature of greisens and overall low W - Sn ...
Page 37
... pegmatite dykes and quartz veins of the Ladakh Granitoid Complex , giving a typical zebra - like appearance ( Fig.17 ) . The Dishi La Formation , around Kaksung - Mitpal Tso section , is overlain by Shyok Group of sediments ( Formation ...
... pegmatite dykes and quartz veins of the Ladakh Granitoid Complex , giving a typical zebra - like appearance ( Fig.17 ) . The Dishi La Formation , around Kaksung - Mitpal Tso section , is overlain by Shyok Group of sediments ( Formation ...
Contents
GEOLOGICAL MAPPING Page 1 Highgrade sequence and associated rocks of the Sandmata Complex 1 | 1 |
Mangalwar Project 3 | 3 |
Geological mapping of the Aravalli Supergroup and the associated granitic rocks in Panchmahals district Gujarat 7 | 7 |
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Common terms and phrases
aeolian alluvial Alluvium amphibolite bands basalt basin bedrock belt biotite block boreholes calcareous CHAMOLI DISTRICT channel clay comprises conglomerate covered crystalline deposits depth dipping DISTRICT dolomite downstream dunes dykes excavation exposed fault field season flood plain flows fluvial folds foliation Formation fossils foundation grade Ganga geochemical GEOENVIRONMENTAL geological mapping Geology Division geomorphological geophysical geotechnical gneiss grained granite Granitoid grey Group HIMACHAL PRADESH Himalaya HYDEL indicated intrusive JAMMU joints KASHMIR kmĀ² Krol Ladakh limestone lineament located Mangalwar metre mineral mineralisation nala Older Alluvium pegmatite phyllite porphyritic power house Proterozoic quartz quartz veins quartzite Quaternary Rajasthan regional river rocks samples sand sandstone scale schist sediments sequence shale shear zone silt siltstone Sirohi district Siwalik skarns slate slope spillway sq.km STAGE GEOLOGICAL INVESTIGATION structural studies sulphide surface tectonic terrace thick Thrust toposheet traverse trending tunnel Udaipur district Upper upto UTTAR PRADESH valley Vindhyan volcanics