Records of the Geological Survey of India, Volume 124, Part 5The Survey, 1991 - 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 30
... basic matrix ) , thin impersistent bands of magnetite- chert , autoclas- tic conglomerate ( with granite clasts of pebble and cobble size , clasts of magnetite - chert and hornblende porphyry ) , syntectonic granite , post tectonic acid ...
... basic matrix ) , thin impersistent bands of magnetite- chert , autoclas- tic conglomerate ( with granite clasts of pebble and cobble size , clasts of magnetite - chert and hornblende porphyry ) , syntectonic granite , post tectonic acid ...
Page 79
... basic volcanic rocks with cross cutting pegmatite veins . Seven trenches were put to trace the continuity of mineralised zone along the line of old workings . The trenches BT - 1 to BT - 5 exposed mineralised zones over a strike length ...
... basic volcanic rocks with cross cutting pegmatite veins . Seven trenches were put to trace the continuity of mineralised zone along the line of old workings . The trenches BT - 1 to BT - 5 exposed mineralised zones over a strike length ...
Page 261
... Basic dykes Younger granite - tonalite , trondhjemite , granodiorite granite Rhyodacite , rhyolite , acid tuffs , quartz - sericite schist Metabasalt Granodiorite - gneiss Basement ( ? ) Quartz reef Basic dykes Younger granite ...
... Basic dykes Younger granite - tonalite , trondhjemite , granodiorite granite Rhyodacite , rhyolite , acid tuffs , quartz - sericite schist Metabasalt Granodiorite - gneiss Basement ( ? ) Quartz reef Basic dykes Younger granite ...
Contents
Andhra Pradesh | 11 |
Karnataka and Goa | 61 |
Tamil Nadu Kerala | 109 |
Copyright | |
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alkali feldspar granite amphibolite ANDHRA PRADESH ANDHRA PRADESH Code anomaly zones banded iron formation basin biotite block boreholes carried channel charnockite Chitradurga chlorite clay coarse-grained comprising depth Dharwar dips DISTRICT dolerite drilling emplaced enclaves exposed feldspar field season fluvial foliation Formation gabbro geochemical GEOLOGICAL MAP GEOPHYSICAL gneiss gold values granite granite gneiss granitoids gravel grey granite hornblende INDEX indicated intersected intrusives INVESTIGATION FOR GOLD joints KARNATAKA KARNATAKA Code KERALA kimberlite Krishna landforms lateritic lignite limestone located lode magnetic magnetite metabasalt migmatites mineralised zone NW-SE occur palaeochannel Palar pediplain pegmatite Peninsular Gneissic Complex phyllite pink granite Plate-2 pyroxenite quartz quartz veins quartzite Quaternary reservoir river rock types samples sand scale schist belt schistose shale shear slopes soil sq km strike length studies sulphide mineralisation surface surveys syenite TAMIL NADU terrace thick tonalite traverse trench trending ultramafic upto vertical volcanics width