Records of the Geological Survey of India, Volume 124, Part 3The Survey, 1991 - 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 56
... bodies continue upto 100 m depth and the granites and migmatites occur as sequence alternating with the khon- dalitic rocks . The grade as well as the width of the ore bodies gradually diminish with depth . In Podakana ( East ) block ...
... bodies continue upto 100 m depth and the granites and migmatites occur as sequence alternating with the khon- dalitic rocks . The grade as well as the width of the ore bodies gradually diminish with depth . In Podakana ( East ) block ...
Page 58
... bodies occur as conformable lenses , lenticular bodies , pockets and also as irregular concentrations , pisolitic and nodular forms within the lithomergic clay ( saprolite zone ) upto 65 m depth in the laterite profile . On the hard ...
... bodies occur as conformable lenses , lenticular bodies , pockets and also as irregular concentrations , pisolitic and nodular forms within the lithomergic clay ( saprolite zone ) upto 65 m depth in the laterite profile . On the hard ...
Page 82
... bodies in two 3 km apart areas - one each in Bandodih and in Suridih village respectively below the depth of 60m from the surface . The thickness of the apatite bodies ranges from 10 to 14 m and grades from 10 to 13 % PO , These are new ...
... bodies in two 3 km apart areas - one each in Bandodih and in Suridih village respectively below the depth of 60m from the surface . The thickness of the apatite bodies ranges from 10 to 14 m and grades from 10 to 13 % PO , These are new ...
Contents
Quaternary geological and geomorphological mapping of the GangaSon alluvial belt in Aurangabad | 4 |
Integrated geological and structural mapping and geochemical survey and exploration by drilling in parts | 10 |
Bihar | 19 |
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alignment amphibolite Andaman anomaly arca ash bed basemetal basin belt BIHAR BIHAR Code block boreholes charnockites clay CONSTRUCTION STAGE GEOTECHNICAL copper dam axis deposits depth Dhanjori drilling Eastern Ghat Economic Geology Engineering Geology Engineering Geology Division-II excavation FEASIBILITY STAGE GEOTECHNICAL FIELD SEASON flood plain folds foliation formation geochemical geological mapping Geology Division Geology Division-II Ops geophysical Geotechnical and Special GEOTECHNICAL INVESTIGATION gneiss gold Gondwana granite granite gneiss granitoids graphite Group of rocks grouting holes indicate Khondalite Koraput laterite lava located mica schist migmatite mineralisation nala occur Orissa ORISSA Code pegmatite ph ph phyllite power house Purulia district quartz quartz veins quartzite Quaternary Rec.GSI Regional Geology RESERVOIR SCHEME river rock types SAMBALPUR DISTRICT samples sandstone scale schist sector sediments shear zone Sikkim Singhbhum slope soil Special Investigation spillway sq km STAGE GEOTECHNICAL INVESTIGATION structures surface SURVEY OF INDIA toposheets traverses trending tunnel upto volcanic West Bengal