Records of the Geological Survey of India, Volume 122, Part 8The Survey, 1987 - 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 130
... veins , quartz veins , whereas , the basic rocks are represented by dolerite dykes . An area of 0.26 sq km on 1 : 2000 scale was covered by geological mapping of the mineralised shear zones in granitoids , one km southwest of Umlah ...
... veins , quartz veins , whereas , the basic rocks are represented by dolerite dykes . An area of 0.26 sq km on 1 : 2000 scale was covered by geological mapping of the mineralised shear zones in granitoids , one km southwest of Umlah ...
Page 133
... veins and these veins and dykes are intruding the country rock mostly along the WNW- -SSE , N -- S , E -- W trending joint planes . The veins and dykes are generally few mm to over a meter thick , though few dykes are quite thick . The ...
... veins and these veins and dykes are intruding the country rock mostly along the WNW- -SSE , N -- S , E -- W trending joint planes . The veins and dykes are generally few mm to over a meter thick , though few dykes are quite thick . The ...
Page 136
... veins . There are two zones in the magnesite which show poor disseminations of sulphide , mostly chalcopyrite and ... vein is associated with magnesite south of village Nainoli . It shows very fine disseminations of sulphides . A thin ...
... veins . There are two zones in the magnesite which show poor disseminations of sulphide , mostly chalcopyrite and ... vein is associated with magnesite south of village Nainoli . It shows very fine disseminations of sulphides . A thin ...
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Common terms and phrases
aeolian alignment Alluvial Alluvium bands basin biotite borehole calcareous Central Crystalline CHAMOLI CHAMOLI DISTRICT channel clay comprising construction covered deposits depth dolomite downstream drill hole dunes excavation exposed fault field season folds foliation Formation Ganga Geol geological mapping GEOMORPHOLOGICAL geophysical glacier gneiss grained granite Granitoid HARYANA head race tunnel HIMACHAL PRADESH HYDEL PROJECT India indicated JAMMU AND KASHMIR joints kankar km long Krol Kulu Kumar landslide left bank limestone lineament Lithology lithostratigraphy located logging metres micaceous mineralisation Murree nala Older Alluvium pegmatite penstock phyllite PITHORAGARH DISTRICT plane proposed quartzite Quaternary Recent Flood Plain regional right bank river road rocks samples sand sandstone scale schist sediments sequence shale Sharma shear zone silt siltstone Singh Siwalik slate slope Spiti sq km Srivastava STAGE GEOLOGICAL INVESTIGATIONS studies surface power house Surv tectonic terrace Tethyan thick Thrust toposheet trending Triassic upstream upto UTTAR PRADESH valley