Records of the Geological Survey of India, Volume 124, Part 1The Survey, 1999 - 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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Results 1-3 of 49
Page 94
... biotite with minor amount of plagioclase . The biotite flakes contain tiny radioactive miner- als forming pleochroic haloes . The basic rocks associated with the alkaline rocks appear to have been fenitised . Local dis- semination of ...
... biotite with minor amount of plagioclase . The biotite flakes contain tiny radioactive miner- als forming pleochroic haloes . The basic rocks associated with the alkaline rocks appear to have been fenitised . Local dis- semination of ...
Page 215
... biotite and actinolite and plagioclase , quartz and microcline , respectively . The secondary minerals are calcite , epidote and sphene . Meta- rhyolite shows phyllitic , schistose , banded and foliated fabric . Mineralogically they ...
... biotite and actinolite and plagioclase , quartz and microcline , respectively . The secondary minerals are calcite , epidote and sphene . Meta- rhyolite shows phyllitic , schistose , banded and foliated fabric . Mineralogically they ...
Page 225
... biotite gneiss / fissile biotite gneiss , auguen gneiss , grey leuco gneiss and migmatites . White garnetiferous quartzo- feldspathic rock . Amphibolite , pyroxenite , meta - gabbro , garnet- pyroxene rock , peridotite , anorthosite ...
... biotite gneiss / fissile biotite gneiss , auguen gneiss , grey leuco gneiss and migmatites . White garnetiferous quartzo- feldspathic rock . Amphibolite , pyroxenite , meta - gabbro , garnet- pyroxene rock , peridotite , anorthosite ...
Contents
AIRBORNE MINERAL SURVEYS EXPLORATION WING 28 | 28 |
MARINE WING 4757 | 47 |
CENTRAL REGION 5889 | 58 |
Copyright | |
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alluvium amphibolite analysis Andhra Pradesh anomaly associated Asstt bands basalt base metal basin bed rock Bihar biotite block boreholes carried chalcopyrite charnockite clay coal seams coalfield Construction stage core covering deposits depth Director Geologist district Code DIVISION Headquarters drilling dykes excavation exploration exposed Formation foundation geochemical geological investigation geological mapping Geologist Jr geophysical Geophysicist geotechnical investigation gneiss gold Gondwana grained granite granite gneiss granitoids Group holes indicated km long Kumar limestone line km located logging migmatite mineral mineralisation occurs Orissa pegmatite phyllite power house Pradesh Precambrian project envisages construction quartz quartz veins quartzite Quaternary Rajasthan Raniganj river rock types samples were collected sand sandstone scale schist schist belt sediments shale shear zone Shri A. K. Singhbhum spillway sq km sq km area stage geotechnical investigation strike length studies sulphide Supergroup surface surveys thick tion Toposheet traverse trending tunnel upto volcanics West Bengal