Records of the Geological Survey of India, Volume 126, Parts 3-5Government of India, 1991 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 20
... intrusives are basic and ultrabasic in composition . All these rocks are unconformably overlain by the platform ... intrusives Basic dykes and silts Intrusives Quartz and pegmatite veins granitoids and amphibolite Pre - cambrian Shillong ...
... intrusives are basic and ultrabasic in composition . All these rocks are unconformably overlain by the platform ... intrusives Basic dykes and silts Intrusives Quartz and pegmatite veins granitoids and amphibolite Pre - cambrian Shillong ...
Page 22
... intrusive into the Shillong Group . Post - tectonic basic intrusives in the form of dykes and sills have intruded the gneisses and younger granitoids . Petrologically the basic intrusive is diabase in composition . Ultrabasic intrusives ...
... intrusive into the Shillong Group . Post - tectonic basic intrusives in the form of dykes and sills have intruded the gneisses and younger granitoids . Petrologically the basic intrusive is diabase in composition . Ultrabasic intrusives ...
Page 163
... Intrusives Quartz veins Pegmatite vein Bosic Intrusives Dolerite dyke Gabbre dyke M Pink granite Alkalie Intrusives 26 Corendum Syenite Siderite.onkerite gneiss and colc - eneiss Carbonatite Sulphide shows Location of Lithogeochemical ...
... Intrusives Quartz veins Pegmatite vein Bosic Intrusives Dolerite dyke Gabbre dyke M Pink granite Alkalie Intrusives 26 Corendum Syenite Siderite.onkerite gneiss and colc - eneiss Carbonatite Sulphide shows Location of Lithogeochemical ...
Contents
Quaternary geological and geomorphological mapping of the SonGanga | 2 |
An Overview | 10 |
Integrated geological and structural mapping and geochemical survey | 17 |
Copyright | |
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alignment amphibolite ANDHRA PRADESH anomaly zones apatite bands basemetal basin BIHAR biotite block boreholes carried chalcopyrite charnockite chlorite chlorite schist chromite Code construction depth DISTRICT dolerite drilling dykes east eastern Engineering Geology exposed field season flood folds foliation Formation foundation gabbro geochemical GEOLOGICAL MAP geophysical GEOTECHNICAL INVESTIGATION gneiss gneissic gold granite granite gneiss granitoids granulite grey Group grouting hill hornblende INDEX indicated intersected intrusives Irrigation Project joints KARNATAKA kimberlite laterite limestone lithounits located magnetite metabasalt migmatite mineral mineralised zone occur Orissa pegmatite phyllite pink power house proposed pyrite pyroxenite quartz quartz veins quartzite Quaternary reservoir river rock types samples sandstone scale schist schist belt schistose shale shear zone Singhbhum slope soil Sp Sp Sp spillway sq km STAGE GEOTECHNICAL INVESTIGATION strike length structure studies suggested sulphide surface surveys syenite thick toposheet traverse trench trending tunnel ultramafic upto valley volcanics width Δ Δ Δ