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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Page 103
... rock condition at the proposed spillway site . Fresh and competent foundation grade rock is found to be available at shallow depth . Quartz - biotite gneisses and schists intruded by pegmatite veins would constitute the foundation rock ...
... rock condition at the proposed spillway site . Fresh and competent foundation grade rock is found to be available at shallow depth . Quartz - biotite gneisses and schists intruded by pegmatite veins would constitute the foundation rock ...
Page 115
... rocks constitute the foundation material at the site of head regulator . The boulder bed foundation in regulator portion was found to be suitable for laying concrete ; here , fresh rock level has been indicated at R.L. 159.00 m . Since ...
... rocks constitute the foundation material at the site of head regulator . The boulder bed foundation in regulator portion was found to be suitable for laying concrete ; here , fresh rock level has been indicated at R.L. 159.00 m . Since ...
Page 184
... rock and quartz venins . The general trend of the rocks is N65 ° W - S65 ° E. Primary mineralisation is represented in the area by arsenopyrite , pyrite and a few specks of chalcopyrite . The al- tered arsenate mineral recorded are ...
... rock and quartz venins . The general trend of the rocks is N65 ° W - S65 ° E. Primary mineralisation is represented in the area by arsenopyrite , pyrite and a few specks of chalcopyrite . The al- tered arsenate mineral recorded are ...
Contents
AIRBORNE MINERAL SURVEYS EXPLORATION WING 28 | 28 |
MARINE WING 4757 | 47 |
CENTRAL REGION 5889 | 58 |
Copyright | |
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Common terms and phrases
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