Records of the Geological Survey of India, Volume 125, Issues 3-4Vols. 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 13
... amphibolite Mica schist and quartzite Pegmatite / quartz veins Ortho - amphibolite Feldspathic quartzite Augen gneiss Granite geniss - para amphibolite sequence Tremolite - actinolite schist / calcsilicate rocks Quartzite collected from ...
... amphibolite Mica schist and quartzite Pegmatite / quartz veins Ortho - amphibolite Feldspathic quartzite Augen gneiss Granite geniss - para amphibolite sequence Tremolite - actinolite schist / calcsilicate rocks Quartzite collected from ...
Page 3
... amphibolite which occurs as bands and lenses of both mappable and smaller dimension within the granodiorite and leucogranite . The amphibolite is medium grey , medium grained , schistose and consists of hornblende , biotite ...
... amphibolite which occurs as bands and lenses of both mappable and smaller dimension within the granodiorite and leucogranite . The amphibolite is medium grey , medium grained , schistose and consists of hornblende , biotite ...
Page 123
... amphibolite , ( c ) diorite- quartz diorite - tonalite , ( d ) leucogranites and ( e ) microgabbro - micro gabbro norite . The following rocks were identified . Sillimanite bearing granite gneiss ( ? ) is is very coarse grained and ...
... amphibolite , ( c ) diorite- quartz diorite - tonalite , ( d ) leucogranites and ( e ) microgabbro - micro gabbro norite . The following rocks were identified . Sillimanite bearing granite gneiss ( ? ) is is very coarse grained and ...
Contents
Bihar | 1 |
Studies of granites of Hazaribagh Gaya and Palamau districts Bihar | 7 |
Geological mapping around PindaraBiharbariBaghmari area Bhagalpur district Bihar | 13 |
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ABSTRACTS OF PROGRESS abutment amphibolite anomaly Arunachal Pradesh bands Barail basalt basemetal basin Bhuban Bihar biotite block bore holes borehole chalcopyrite charnockite chlorite chromite clay CONSTRUCTION STAGE GEOTECHNICAL deposits depth Disang drilling Eastern Ghat Engineering Geology Engineering Geology Division excavation exposed EXTENDED ABSTRACTS field season fold foliation Formation foundation grade geochemical geological mapping geophysical Geotechnical and Special geotechnical investigation gneiss Gneissic granite gneiss granulite grey Group grouting Hills district indicate joints lava left bank limestone located magnetite Manipur Meghalaya migmatite mineral mineralisation Mizoram nala occur Orissa OVERVIEW Ph/SS phyllite power house proposed Purulia pyrite quartz quartz veins quartzite Quaternary Regional Geology Division right bank rocks samples sandstone scale schist sediments shale shear zone Shillong siltstone slope Special Investigation spillway sq km stage geotechnical investigation strike length structure sulphide Survey of India Tertiary thick toposheet trending tunnel Upper upto volcanics West Bengal