Records of the Geological Survey of India, Volume 126, Parts 2-3The Survey, 1993 - 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. |
From inside the book
Results 1-3 of 73
Page 25
... associated syenitic gneisses exhibit subidioblastic K- felspar grains with plagioclase , garnet , amphibole and quartz mineral assemblage . The appearance of garnet and production of K - felspar rich syenitic rock may have been produced ...
... associated syenitic gneisses exhibit subidioblastic K- felspar grains with plagioclase , garnet , amphibole and quartz mineral assemblage . The appearance of garnet and production of K - felspar rich syenitic rock may have been produced ...
Page 153
... associated with pyrite . Extensive alteration to malachite and azurite is seen in thin chert bands of the metasediments . In Jungels , copper mineralisation is recorded as malachite stains associated with quartz - baryte lense occurring ...
... associated with pyrite . Extensive alteration to malachite and azurite is seen in thin chert bands of the metasediments . In Jungels , copper mineralisation is recorded as malachite stains associated with quartz - baryte lense occurring ...
Page 189
... associated with pyrite are noticed within the carbonaceous phyllite / quartzite with very poor core recovery , possibly due to major shearing and frac- turing of the host rock . Besides , the sub - surface exploration a total of 200 ...
... associated with pyrite are noticed within the carbonaceous phyllite / quartzite with very poor core recovery , possibly due to major shearing and frac- turing of the host rock . Besides , the sub - surface exploration a total of 200 ...
Contents
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 121 |
Geodata and Information Division | 141 |
Overview of the Deputy Director General | 195 |
Copyright | |
19 other sections not shown
Other editions - View all
Common terms and phrases
amphibolite anomaly apatite bands BANKA DISTRICT Barakar Barakar Formation Barren Measures basemetal basin belt Bihar BIHAR Code biotite block boreholes carbonaceous chalcopyrite chlorite clay coal seams Coalfield Construction stage geotechnical copper cores covered delineated deposits depth DISTRICT drilling east eastern Engineering Geology fault field season folds foliation geochemical GEOLOGICAL MAP geophysical Geotechnical & Special geotechnical investigation Ghosh gneiss gold Gondwana grade granite gneiss grey Group heavy mineral INDEX indicated intersected Irrigation Project Kamthi laterite lithounits located magnetic metamorphism mica schist mineralisation occur Orissa OVERVIEW pegmatite phyllite PRADESH Purulia quartz quartz veins quartzite Quaternary Raniganj Regional exploration Regional Geology Division river rocks samples sand sandstone scale schist seabed seam zones sector sediments sequence shale shear zone slope spillway sq km stage geotechnical investigation strike length sulphide surface Talchir Formation thickness Toposheet trending ultramafic unconformably upto varies volcanics West Bengal