Records of the Geological Survey of India, Volume 132, Parts 6-8Government of India, 1997 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 10
... veins . These veins when emplaced within meta - acid volcanic close to its contact with the schist are normally mineralised . The veins are controlled by a regional shear trending N550 W - S55 ° E with a steep southerly dip , and it is ...
... veins . These veins when emplaced within meta - acid volcanic close to its contact with the schist are normally mineralised . The veins are controlled by a regional shear trending N550 W - S55 ° E with a steep southerly dip , and it is ...
Page 105
... veins and shear zones . Quartz veins with or without arsenopyrite have been recorded over a strike length of 4 km and the width of this zone varies from 200m to 1 km . Detailed mapping of 1 sq . km on 1 : 1,000 scale revealed the ...
... veins and shear zones . Quartz veins with or without arsenopyrite have been recorded over a strike length of 4 km and the width of this zone varies from 200m to 1 km . Detailed mapping of 1 sq . km on 1 : 1,000 scale revealed the ...
Page
... veins of varying dimensions and compositions , as described below : ( 1 ) Quartz vein : This is the most common type of vein with at least three distinct orientations ( a ) N70 ° W - S70 ° E , ( b ) N25 ° W - S25 ° E and ( c ) N10 ° E ...
... veins of varying dimensions and compositions , as described below : ( 1 ) Quartz vein : This is the most common type of vein with at least three distinct orientations ( a ) N70 ° W - S70 ° E , ( b ) N25 ° W - S25 ° E and ( c ) N10 ° E ...
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Common terms and phrases
alluvial Alluvium Almora amphibolite analysis bands basalt basin bed rock belt biotite block borehole carried chalcopyrite clay comprises covered Deccan Trap Dehradun Dehradun district Delhi Supergroup deposits depth dipping district dolomite drilling exposed Field Season fluvial foliation Formation Garhwal geochemical Geoenvironmental appraisal geological mapping geomorphological geophysical GEOTECHNICAL INVESTIGATIONS glacier gneiss gold grade grained granite granitoid grey ground water Group Haryana Himachal Pradesh indicated Jhansi district Krol landslide limestone located logging magnetite Maharashtra mineralised zone minerals nala neotectonic occur Older Alluvium pegmatite phyllite plagioclase Project Proterozoic pyrrhotite quartz quartz veins quartzite Quaternary Rajasthan Region river samples sandstone scale schist sediments sequence shale shear zone Siwalik slide slopes soil Sonbhadra district sq km structure studies sulphide surface surveys tectonic terrace thematic maps thick trending tunnel upto valley Yamuna एवं का कार्य किया गया की के क्षेत्र तथा द्वारा पर प्रदेश में से है