Records of the Geological Survey of India, Volume 129, Parts 4-5The Survey, 1994 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 22
... occur on the north and west in the low lying lands at the base of the hills . The Burapahar ridge extends towards west upto Sekoni . The northern boundary of the area is marked by Brahmaputra river . The ridges show thick soil covers ...
... occur on the north and west in the low lying lands at the base of the hills . The Burapahar ridge extends towards west upto Sekoni . The northern boundary of the area is marked by Brahmaputra river . The ridges show thick soil covers ...
Page 70
... occurs with orthoclase as subordinate minerals . Nepheline , alkali amphibole ( kersutite ) , biotite and olivine occur as minor constituents . Apatite and rutile occur as accesso- ries . The rock shows hypidiomorphic granular texture ...
... occurs with orthoclase as subordinate minerals . Nepheline , alkali amphibole ( kersutite ) , biotite and olivine occur as minor constituents . Apatite and rutile occur as accesso- ries . The rock shows hypidiomorphic granular texture ...
Page 44
... occur- ring in the area between Parvathipuram in the northwest and Madduvalasa - Ambada Venkatapuram Majjirayudupeta Pedda Lingalavalasa - Gulla Seetharamapuram in the southeast . Locally , the , leptynites are also called " Snow White ...
... occur- ring in the area between Parvathipuram in the northwest and Madduvalasa - Ambada Venkatapuram Majjirayudupeta Pedda Lingalavalasa - Gulla Seetharamapuram in the southeast . Locally , the , leptynites are also called " Snow White ...
Contents
Resource Survey for dimensional stones of Mylliem Granite East Khasi Hills District Meghalaya | 4 |
ASSAM PROJECT 6 GEOLOGICAL MAPPING | 12 |
An Overview | 1 |
Copyright | |
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amphibolite ANANTAPUR DISTRICT ANDHRA PRADESH anomaly Arunachal Pradesh Assam assessment auriferous banded iron formation beach bedrock BIF bands biotite block boreholes carried charnockite chert clay comprising delineated deposits depth dips dolerite drilling dykes east eastern emplaced ENE-WSW excavated exposed field season folds foliation Formation gabbro geochemical GEOLOGICAL MAP geophysical geotechnical investigations gneiss grade grained granite granite gneiss granulite gravity grey Group hill hornblende indicated intrusives joints KARNATAKA KERALA kimberlite laterite limestone lineament located mafic magnetic Meghalaya metabasalt migmatites mineral mineralised zones NE-SW NW-SE occur overburden pegmatite phyllite pink power house PROJECT pyrite quartz quartz veins quartzite regional ridge river rock types samples sand sandstone scale schist belt schistose sediments shale shear zone Shillong slope soil Specialised Thematic Mapping sq km strike length structural studies sulphides surface surveys TAMIL NADU thick traverses trenching trending tunnel ultramafic upto valley volcanics weathered width