Records of the Geological Survey of India, Volume 124, Part 7The Survey, 1992 - 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 85
... quartz veins have limited lengths and narrow widths , some veins extend over 90 m length and are about 1 m wide . Many of these quartz veins contain W - mineralisation . Wolf- ramite occurs as tiny flakes to coarse aggregates ...
... quartz veins have limited lengths and narrow widths , some veins extend over 90 m length and are about 1 m wide . Many of these quartz veins contain W - mineralisation . Wolf- ramite occurs as tiny flakes to coarse aggregates ...
Page 99
... quartz reefs the grey quartz reefs are mineralised while the white ones are barren . Surface manifestation of mineralisation is in the form of malachite stains , oxidation products , and specks and stringers of sulphides in quartz reefs ...
... quartz reefs the grey quartz reefs are mineralised while the white ones are barren . Surface manifestation of mineralisation is in the form of malachite stains , oxidation products , and specks and stringers of sulphides in quartz reefs ...
Page 102
... quartz - topaz- wolframite , quartz - topaz - fluorite veins and in quartz - molybdenite segregations . Petrogenetically , the Degana Granite is classi- fied as A - type of Granite of specialised nature owing to higher concentration of ...
... quartz - topaz- wolframite , quartz - topaz - fluorite veins and in quartz - molybdenite segregations . Petrogenetically , the Degana Granite is classi- fied as A - type of Granite of specialised nature owing to higher concentration of ...
Contents
GEOLOGICAL MAPPING Page 1 Highgrade and mediumgrade sequences of the Mangalwar and Sandmata Complexes | 1 |
Studies on the Mangalwar and the Hindoli rock sequence | 3 |
Mangalwar Project | 4 |
Copyright | |
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aeolian Ajabgarh Group alluvium Alwar Alwar district amphibolite anomaly bands barchan basalt BASE METAL basement basin beds block boreholes calc-silicate calcareous carbonate Chittaurgarh Chittaurgarh district clay coastal comprises copper Deccan Traps deposits depth dips dolerite dolomite drilling dunes dykes exploration exposed fault fine-grained flows fluvial foundation geochemical Geological map Geology Division geophysical gneisses grade granite gravity grey Gujarat Hindoli indicate intersected intrusive investigation Kachchh kankar kmē Ladera landforms limestone lineament magnetic Mangalwar Complex marble massive metamorphic mica schist migmatites Miliolite mineralised zone Narmada NE-SW NNE-SSW North Sindesar Ridge occur overlain Pachham palaeochannels Pali district pegmatite phase phyllite phyric plagioclase porphyritic quartz quartz veins quartzite Quaternary Raialo Rajasthan regional river rocks samples sand sandstone Sawar scale schist sediments sequence shale shear zone silt strike length structures Supergroup surveys tectonic thick tidal flat toposheet 45 traverse trending Udaipur district Vindhyan volcanic