Records of the Geological Survey of India, Volume 126, Issues 3-4Vols. 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 127
... ranging in thickness from 30 m to 2.5 m . The individual veins of an en echelon array extend upto 25 m . At places , they contain visible wolframite crystals . The presence of floats of wolframite crystals of diverse dimension have been ...
... ranging in thickness from 30 m to 2.5 m . The individual veins of an en echelon array extend upto 25 m . At places , they contain visible wolframite crystals . The presence of floats of wolframite crystals of diverse dimension have been ...
Page 169
... ranging from 19 to 28 mv / V over the background of 12 mv / V . These I.P. zones , of strike lengths varying from 800 m to 1200 m , are located on both sides of the quartzite to the south of Gundra ( 24 ° 45'41 " , 86 ° 37'6 " ) and are ...
... ranging from 19 to 28 mv / V over the background of 12 mv / V . These I.P. zones , of strike lengths varying from 800 m to 1200 m , are located on both sides of the quartzite to the south of Gundra ( 24 ° 45'41 " , 86 ° 37'6 " ) and are ...
Page
... ranging so age. 25 . ENE of Shangla Dark brown limestone Radiolarians : Lithobotrys sp . , Glycobotrys sp . , Dicobcapsa sp . , Cenodiscus sp . and unidentifiable foraminiferal shells . Lower Eocene age 26 . East of Marao Dark brown ...
... ranging so age. 25 . ENE of Shangla Dark brown limestone Radiolarians : Lithobotrys sp . , Glycobotrys sp . , Dicobcapsa sp . , Cenodiscus sp . and unidentifiable foraminiferal shells . Lower Eocene age 26 . East of Marao Dark brown ...
Contents
Quaternary geological and geomorphological mapping of the SonGanga | 2 |
An Overview | 10 |
Integrated geological and structural mapping and geochemical survey | 17 |
Copyright | |
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ABSTRACTS OF PROGRESS amphibolite apatite Assam bands bank BANKA DISTRICT Barail basemetal basin belt Bihar biotite block boreholes Brahmaputra chalcopyrite channel chert chlorite chromite Construction stage geotechnical dam axis deposits depth drilling dykes east Eastern Economic Geology Division Engineering Geology Engineering Geology Division erosion exposed field season folds foliation Formation foundation geochemical geological mapping geomorphological geophysical Geotechnical & Special geotechnical investigation gneiss gold granite gneiss grey indicated Irrigation Project laterite limestone lithounits located magnetic Manipur Meghalaya mica schist mineral mineralised zone nala occur Orissa OVERVIEW pegmatite phyllite power house Purulia quartz quartz veins quartzite Quaternary Regional Geology Division river samples sandstone scale schist Sector sediments shale shear zone Shillong siltstone slope soil Sp Sp Sp spillway sq km stage geotechnical investigation strike length sulphide surface Survey of India syenite thick toposheet traverse trending ultramafic unconformably upto valley volcanics West Bengal Δ Δ Δ