Records of the Geological Survey of India, Volume 116Government of India, 1985 - 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 217
Geological Survey of India. gneiss with lenses of biotite gneiss or hornblende biotite gneiss and composite gneiss . Minor shear zones have been observed . Subsurface exploration has been suggested . Extension of site surveys at Marali ...
Geological Survey of India. gneiss with lenses of biotite gneiss or hornblende biotite gneiss and composite gneiss . Minor shear zones have been observed . Subsurface exploration has been suggested . Extension of site surveys at Marali ...
Page 251
... gneiss and the gneissic granite represents a more advanced stage of the same migmaiti- sation producing the biotite gneiss . The amphibole- garnet gneiss is at places intruded by the gneissic granite indicating that the area has ...
... gneiss and the gneissic granite represents a more advanced stage of the same migmaiti- sation producing the biotite gneiss . The amphibole- garnet gneiss is at places intruded by the gneissic granite indicating that the area has ...
Page 52
... gneiss , pegmatite and pegmatoids associated with migmatite and the granodiorite gneiss . The field relationship between granitoids and the country rock at diverse points varies from largely discordant to locally concordant ...
... gneiss , pegmatite and pegmatoids associated with migmatite and the granodiorite gneiss . The field relationship between granitoids and the country rock at diverse points varies from largely discordant to locally concordant ...
Contents
CENTRAL HEADQUARTERS | 1 |
GEOCHRONOLOGY AND ISOTOPE GEOLOGY DIVISION | 7 |
PHOTOGEOLOGY AND REMOTE SENSING DIVISION | 15 |
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amphibolite analysed Andhra Pradesh anomaly Asstt attended bands Bangalore basalt basin Bihar biotite boreholes Calcutta carried Chemical Circle clay coal coalfield conglomerate covering an area Deccan Trap Delhi deposits depth Director District Divn dolomite drill holes Dutta dykes exploration exposed fault folds Formation fossils geochemical Geol geological mapping Geologist Jr Geology Division Geophysical Geophysicist geotechnical investigations Ghosh gneiss Gondwana granitoid Group Gupta Headquarters Hydel Hyderabad India indicated Jaipur Karnataka Kumar Laboratory limestone line km located logging Lucknow magnetic migmatite mineral mineralisation Murthy Nagpur pegmatite phyllite power house Pradesh Project quartz quartzite Quaternary RAC meeting Rajasthan Region river rock types S/Shri samples were collected sandstone scale schist seams sedimentary sediments shale Sharma Shillong Shri siltstone Singh Sinha spillway sq km sq km area Srivastava strike length studies Supergroup Survey thickness tonnes toposheet traverse trending tunnel upto Vindhyan volcanics