Records of the Geological Survey of India, Volume 127, Parts 1-2Government of India, 1992 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
From inside the book
Results 1-3 of 74
Page 6
... Veins of microgranites , pegmatite and basic dykes and veins / reefs of quartz with indications of Cu , Pb and Zn mineralisation intrude the older rocks . The quartz veins / reefs of a few cm to more than 2 km length and a few cm to ...
... Veins of microgranites , pegmatite and basic dykes and veins / reefs of quartz with indications of Cu , Pb and Zn mineralisation intrude the older rocks . The quartz veins / reefs of a few cm to more than 2 km length and a few cm to ...
Page
... veins were encountered . Two types of quartz veins were identified . The first type is grey , greasy looking , concordant and sheared vein while the other type is of grey to white coloured and discordant veins . Molybdenite specks and ...
... veins were encountered . Two types of quartz veins were identified . The first type is grey , greasy looking , concordant and sheared vein while the other type is of grey to white coloured and discordant veins . Molybdenite specks and ...
Page 211
... vein quartz / quartz reef which are , at places , found to be auriferous . Three such veins / reefs have been studied in detail at Rudiya . The mineral assemblages such as chlorite - biotite - sericite etc. suggest low to medium grade ...
... vein quartz / quartz reef which are , at places , found to be auriferous . Three such veins / reefs have been studied in detail at Rudiya . The mineral assemblages such as chlorite - biotite - sericite etc. suggest low to medium grade ...
Contents
COORDINATION TECHNICAL DIVISION | |
FOREWORD | |
PALAEONTOLOGY DIVISION I 10 | |
Copyright | |
11 other sections not shown
Other editions - View all
Common terms and phrases
amphibolite analysis Andhra Pradesh anomalies associated Asstt bands Barakar Barakar Formation base metal basin Bihar block boreholes carried Chakraborty chemical clay coal seams Coalfield comprising core covered deposits depth Director Geologist district DIVISION Director drilling eastern ENGINEERING GEOLOGY exploration for coal field season fold GEODATA geological mapping Geologist Jr Geophysicist geotechnical investigation Ghosh gneiss gold Gondwana grade grained granitoids gravity Group Headquarters heavy mineral India indicated intersected Kumar limestone located Madhya Pradesh magnetic Maharashtra mineralisation Orissa PETROLOGY phyllite Precambrian programme Project quartz veins quartzite Quaternary Rajasthan Raniganj Regional exploration REMOTE SENSING river S.T.A. Geol Sakoli samples were collected sand sandstone scale schist schist belt Seabed survey seam zones sector sediments sequence shale shear zone Shri A.K. Singh Singhbhum sq km sq.km stage geotechnical investigation studies sulphide surface Tamil Nadu tectonic thematic mapping thickness Toposheet traverse trending undertaken upto Valley volcanic