Records of the Geological Survey of India, Volume 126, Parts 4-6The Survey, 1993 - 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. |
From inside the book
Results 1-3 of 82
Page 60
... occur numerous peg- matites and quartz veins . Chromite most commonly occurs as lenses , veins , pockets and layers and less commonly as dissemina- tions within the serpentinite and pyroxenite . At places , as at Loya quarry No.2 ...
... occur numerous peg- matites and quartz veins . Chromite most commonly occurs as lenses , veins , pockets and layers and less commonly as dissemina- tions within the serpentinite and pyroxenite . At places , as at Loya quarry No.2 ...
Page 98
... occur within this zone , varying in width from 20 to 50 cm . The zone has an outcrop width of 1 to 5 m . Sulphides occur as thin stringers , mostly at the contact of the quartz vein with the schistose rocks . Fractures are developed at ...
... occur within this zone , varying in width from 20 to 50 cm . The zone has an outcrop width of 1 to 5 m . Sulphides occur as thin stringers , mostly at the contact of the quartz vein with the schistose rocks . Fractures are developed at ...
Page 167
... occur- ring as detached concordant enclaves within epidote - hornblende gneiss shows alteration to amphibolite . Dunite , syenite and carbonatite occur as younger intrusives within the metapyroxenite , showing sharp contact . Syenite occurs ...
... occur- ring as detached concordant enclaves within epidote - hornblende gneiss shows alteration to amphibolite . Dunite , syenite and carbonatite occur as younger intrusives within the metapyroxenite , showing sharp contact . Syenite occurs ...
Contents
Arunachal Pradesh | 1 |
Mineral InvestigationII Arunachal Pradesh | 9 |
Geology of parts of Karbi Anglong North Cachar Hills and Nowgaon | 15 |
Copyright | |
2 other sections not shown
Other editions - View all
Common terms and phrases
acid amphibolite ANDHRA PRADESH bands basalt biotite biotite gneiss block boreholes charnockite chert complex dam axis Deccan Trap depth DISTRICT dolerite dolomite drilling enclaves ENE-WSW Engineering Geology Division exposed feldspar field season flows folds foliation Formation gabbro geochemical GEOLOGICAL MAP Geophysical GEOTECHNICAL INVESTIGATIONS gneiss gneissic gold grained granite granite gneiss granitoids granulite grey Group hornblende INDEX indicated intrusives joints KARNATAKA kimberlite limestone lineament located mafic magnetic magnetite Maharashtra metabasalt migmatite mineral mineralised zone Nagpur Narmada NE-SW NNE-SSW NNW-SSE NW-SE occur pegmatite pink granite plagioclase porphyritic power house PRADESH Code pyrite pyroxene pyroxenite quartz quartz veins quartzite Regional Geology Division reservoir rhyolite river Sakoli samples sandstone scale schist schist belt schistose sediments shale shear zone slope soil Sp Sp spillway sq km strike length structures studies sulphide surveys syenite thick toposheet traverses trench trending tunnel ultramafic upto valley volcanics width Δ Δ Δ