Records of the Geological Survey of India, Volume 125, Part 2The Survey, 1992 - 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. |
From inside the book
Results 1-3 of 67
Page 47
... occur in two generations , of which the earlier ones are subhedral and replace the early magnetite almost completely keeping some relict patches ; whereas the late pyrites are well crystallized . The sulphide assemblage comprise ...
... occur in two generations , of which the earlier ones are subhedral and replace the early magnetite almost completely keeping some relict patches ; whereas the late pyrites are well crystallized . The sulphide assemblage comprise ...
Page 102
... occurring in Hanuten is pinkish brown in colour , very coarse grained and porphyroblastic in nature . The megacrysts of ... occur in very minor quantity . The accessory minerals present are rutile and zircon . These rocks are strongly ...
... occurring in Hanuten is pinkish brown in colour , very coarse grained and porphyroblastic in nature . The megacrysts of ... occur in very minor quantity . The accessory minerals present are rutile and zircon . These rocks are strongly ...
Page 133
... occur in small amounts . Trace element data for the surficial sediments show wide variation in Cu , Ni , Co , Cr and Mn concentrations . Copper values range between 18 and 305 ppm ( x = 106 ± 39 ) , Ni between 20 and 107 ppm ( x = 75 ...
... occur in small amounts . Trace element data for the surficial sediments show wide variation in Cu , Ni , Co , Cr and Mn concentrations . Copper values range between 18 and 305 ppm ( x = 106 ± 39 ) , Ni between 20 and 107 ppm ( x = 75 ...
Contents
Overview of the DirectorinCharge | 107 |
East Coast DivisionII 117 | 117 |
West coast Division 127134 | 127 |
Copyright | |
9 other sections not shown
Other editions - View all
Common terms and phrases
aeromagnetic amphibolite analysis Andhra Pradesh anomalies bands Barakar Barakar Formation Barren Measures Formation basemetal basin belt Bhutan BIHAR biotite block boreholes chalcopyrite charnockite clay coal seams COALFIELD coarse grained Code copper covered deposition depth range DISTRICT Division drilling dyke east eastern EXPLORATION FOR COAL fault felsic field season folds foraminifera geochemical GEOLOGICAL MAP geophysical gneiss Gondwana grade grey Group heavy mineral horizon INDEX India indicate intersected in boreholes investigation isobath isotopic Kamthi Formation lignite limestone line km lineaments located MADHYA PRADESH magnetic magnetite Maharashtra metamorphism migmatites million tonnes mineralisation NW-SE occur Orissa phyllite plagioclase PLATE-I Precambrian quartz quartz veins quartzite Rajasthan Raniganj Raniganj Formation REGIONAL EXPLORATION rocks Saharjuri sand sandstone schist seabed seam zones sector sediments shallow shelf silty Singhbhum sq km strike length studies sulphide survey Talchir Formation tectonic thickness Thimphu toposheet trending upto varies volcanic