Records of the Geological Survey of India, Volume 122, Part 5The 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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Results 1-3 of 36
Page 76
... trench samples in this mineralised zone analysed gold values consistently in the range of 0.2 to 0.54 g / t . One trench sample collected from altered . quartzofeldspathic schist with granite veins analysed 2.7 g / t of gold over a ...
... trench samples in this mineralised zone analysed gold values consistently in the range of 0.2 to 0.54 g / t . One trench sample collected from altered . quartzofeldspathic schist with granite veins analysed 2.7 g / t of gold over a ...
Page 179
... trenches . The trench put down in Rayarpatti over a soil anomly point indicated only very weak mineralisation ( upto 200 ppm W ) . Trenching carried out in the Pallakudi tank ( located north of the Somagiri prospect ) has exposed ...
... trenches . The trench put down in Rayarpatti over a soil anomly point indicated only very weak mineralisation ( upto 200 ppm W ) . Trenching carried out in the Pallakudi tank ( located north of the Somagiri prospect ) has exposed ...
Page 239
... trench on the right flank representing a buried channel , was suggested to be excavated to expose bedrock . The cut - off trench excavated between Chs . 19 and 26.20 on the left flank and between Chs . 38 and 44 on the right flank has ...
... trench on the right flank representing a buried channel , was suggested to be excavated to expose bedrock . The cut - off trench excavated between Chs . 19 and 26.20 on the left flank and between Chs . 38 and 44 on the right flank has ...
Contents
Quaternary Geology and Geomorphology of the Coastal Tracts in East Godavari District | 1 |
Quaternary Geology and Geomorphology of the Coastal Tracts of Srikakulam Vizianagaram and Visakhapatnam Districts | 17 |
Geology of Peninsular Gneisses in parts of Mahaboobnagar and Nalgonda Districts | 33 |
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amphibolite ANANTAPUR DISTRICT ANDHRA PRADESH ANDHRA PRADESH Code anorthosite bands beach bed rock biotite biotite granite block boreholes boreholes drilled charnockite charnockite gneiss clay comprises conglomerate dam alignment Deccan Trap deposits depth Dharwar dips DISTRICT dolerite dolerite dykes dunes earth dam enclaves excavated exposed fluvial folds foliation formation foundation fresh rock gabbro GEOLOGICAL MAP GEOPHYSICAL GEOTECHNICAL gneiss Godavari delta gold granite granite gneiss granodiorite granulite grey indicated intrusives joints KARNATAKA KERALA landforms laterite left flank limestone lineament located lode magnetite metabasalt migmatite mineralisation NNW-SSE NW-SE occur overburden pegmatite phyllite power house PROJECT proposed quartz quartz veins quartzite Raichur reservoir ridge right flank river bed rock types samples sand sandstone scale schist schist belt schistose sediments shale shear zone soil spillway sq km strike length studies suggested Supergroup supracrustal surface TALUK TAMIL NADU thickness Tonalite toposheet traverse trench trending tunnel ultramafic upto width