Records of the Geological Survey of India, Volume 114Geological Survey of India, 1984 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
From inside the book
Results 1-3 of 31
Page 59
... minerals . Calcite always occurs as an accessory mineral in the nepheline - bearing syenites . Chemical analy- ses ... minerals in them . minerals in them . The pock marks on the exposed surfaces of the nepheline - bearing varieties are ...
... minerals . Calcite always occurs as an accessory mineral in the nepheline - bearing syenites . Chemical analy- ses ... minerals in them . minerals in them . The pock marks on the exposed surfaces of the nepheline - bearing varieties are ...
Page 60
... mineral at a late stage in the paragenetic sequence . Records Vol . 114 , Pt . 2 GEOLOGICAL MAP. opaque minerals . In the nepheline - bearing varieties calcite is typically always present as an accessory . Plagioclase occurs both as fine ...
... mineral at a late stage in the paragenetic sequence . Records Vol . 114 , Pt . 2 GEOLOGICAL MAP. opaque minerals . In the nepheline - bearing varieties calcite is typically always present as an accessory . Plagioclase occurs both as fine ...
Page 61
... mineral paragenesis in the syenites shows a perfectly normal order . Presence of considerable amount of volatiles in the syenite - forming melt is indicated by the abundance of minerals containing HO , PO , and CO . The syenites show ...
... mineral paragenesis in the syenites shows a perfectly normal order . Presence of considerable amount of volatiles in the syenite - forming melt is indicated by the abundance of minerals containing HO , PO , and CO . The syenites show ...
Contents
Integrated Geochemical Approach for Tracing Gold Mineralisation in Parts | 1 |
On Jacobsites from Vizianagaram Manganese Belt of Eastern Ghats Andhra | 15 |
Fossil Hippopotamus from Quaternary Alluvial Deposits of Narmada Valley | 17 |
Copyright | |
3 other sections not shown
Other editions - View all
Common terms and phrases
actinolite amphiboles amphibolite analysis ARCHAEAN assemblage associated BANKURA DISTRICT Barakar basement bedrock samples Bihar Biotite boreholes catchment area Chakradharpur chemical colour composition country rocks crystals Dassarma Dolerite Domuhan river Dubrajpur Dubrajpur Formation Electron elements epidiorites geochemical Geol Geological Survey Ghose gneiss Goilkera gold grains Granite gneiss green GSI Type Haast river Hippopotamus hornblende hornblende schist host rock igneous jacobsite Kharswan strip Khatangi hill section magnetite manganese Manuscript received massive amphibolite Mayapur McCluskieganj meta-basic rocks metamorphic metres south mica schists mineralisation minerals namadicus Narmada Neogene nepheline syenite occur palaeindicus Pegmatite pelite phyllites plagioclase Porphyritic present area quartz Quartzite Quaternary ratios Rupatganj schist schistose schistose amphibolite sediments shale Singhbhum Singhbhum Shear Zone specimens stratigraphic stream sediment-concentrate samples sulphide Surv Survey of India Table-II Talapatra texture three strips values vein-quartz veins West Bengal X-Ray