Records of the Geological Survey of India, Volume 123, Parts 3-4Government of India, 1990 - 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 69
... veins and metabasic sills . Panning of stream sediment samples were also carried out in Nangshai nala , Sona nala and Kumari river and specks of gold were collected along with the heavy minerals . Tutko nala and Bundwan areas The ...
... veins and metabasic sills . Panning of stream sediment samples were also carried out in Nangshai nala , Sona nala and Kumari river and specks of gold were collected along with the heavy minerals . Tutko nala and Bundwan areas The ...
Page 28
... veins . The faults trending E - W appear to be active , as is evidenced by the presence of thermal springs along them ( noticed outside the study area ) . The large and wide quartz veins are devoid of economic minerals . However , a few ...
... veins . The faults trending E - W appear to be active , as is evidenced by the presence of thermal springs along them ( noticed outside the study area ) . The large and wide quartz veins are devoid of economic minerals . However , a few ...
Page 42
... veins ( 5-20 cm ) and a net work of thin ( 2-10 cm ) quartzo - feldspathic veins dissect the granite body . These veins contain disseminated mineralisation of pyrite , chalcopyrite , arsenopyrite and rarely molybdenite specks ...
... veins ( 5-20 cm ) and a net work of thin ( 2-10 cm ) quartzo - feldspathic veins dissect the granite body . These veins contain disseminated mineralisation of pyrite , chalcopyrite , arsenopyrite and rarely molybdenite specks ...
Contents
CONTENTS | 1 |
Quaternary geological and geomorphological mapping of the ChandanBadua | 7 |
Quaternary geological mapping in KosiGandak interfluve tract North Bihar | 13 |
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alignment amphibolite anomaly anorthosite bands basin bed rock belt BIHAR BIHAR Code biotite block boreholes chromite clay CONSTRUCTION STAGE GEOTECHNICAL covered cut-off dam axis deposits depth Disang district drilling earth dam Engineering Geology Engineering Geology Division-IV excavation exposed EXTENDED ABSTRACTS field season folds foliation Formation foundation geochemical geological mapping Geology Division-II Ops geomorphological geophysical Geotechnical and Special GEOTECHNICAL INVESTIGATION gneiss gneissic Gondwana grained granite granite gneiss granitoid graphite grey grouting GSI Vol hill indicate irrigation khondalite lineaments located Meghalaya migmatites mineralisation minerals nala occur ORISSA ORISSA Code pegmatite phyllite plagioclase power house proposed Purulia Purulia district quartz veins quartzite Quaternary Regional Geology Division right bank samples sandstone scale schist sediments shale shear zone Shillong siltstone Singhbhum slope soil Special Investigation spillway sq km STAGE GEOTECHNICAL INVESTIGATION structure surface SURVEY OF INDIA thick toposheet traverse trending tunnel upto volcanic weathered West Bengal