- Chanchal Sarbajna
- A. K. Paul
- D. C. Banerjee
- U. K. Pandey
- Tikam Chabria
- R. Viswanathan
- B. Kumar
- R. P. Sinha
- K. V. G. Krishna
- B. V. Oleinikov
- A. F. Korobeinikov
- O. V. Koroleva
- Anil Kumar
- K. Gopalan
- R. Murari
- K. S. Gopalan
- G. V. Nesterekno
- P. I. Tihonenko
- Rajeev Bidwai
- B. K. Pandey
- Minati Roy
- A. K. Bagchi
- E. V. S. S. K. Babu
- Brindaban Mishra
- S. Nayak
- A. K. Rai
- S. N. Kak
- P. Senthil kumar
- G. Parthasarathy
- S. Das Sharma
- R. Srinivasan
- R. H. Sawkar
- G. V. Hegde
- K. S. Godhavari
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
Krishnamurthy, P.
- Mineralogical and Chemical Characteristics of Complexly-Zoned Columbite-Tantalite from the Rare Metal Pegmatites of Southern Karnataka
Authors
1 Atomic Minerals Directorate for Exploration and Research, Begumpet, Hyderabad - 500 016, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 56, No 5 (2000), Pagination: 557-571Abstract
Detailed mineralogical and chemical studies by EPMA on the Nb-Ta minerals from the rare metal pegmatites of southern Karnataka have revealed wide compositional variations, and the presence of some new minerals like tapiolite and microlite, hitherto unreported from these pegmatites. Back scattered electron (BSE) images have indicated complex zoning patterns such as oscillatory, patchy and/or their combinations, associated with replacement of columbite-tantalite by microlite, manifested by the variations of Nb2O5, Ta2O5, FeO and MnO. Such features, although known from a few rare meral pegmatites of the world, are being recorded here for the first time in India. Oscillatory zones in columbite-tantalites are manifested as alternating dark and light grey coloured bands, of which darker bands are Nb-rich (30-300 μM thick) and lighter bands are Ta-rich (125-450 μm thick). The wider zones may, in turn, consist of a group of very fine sub-zones (1-50 μm) of slightly varying composition: Patchy zoned crystals exhibit corroded remnants of early formed columbite-tantalite (with 39.73-44.02% Ta2O5), surrounded by later formed zones which are enriched in Ta2O5 (up to 50.99 %) in columbite-tantalite leading to the formation of microlite containing up to 73.4% Ta2O5. The zoning of the columbite-tantalites has been attributed to periodic changes in the composition of the major components such as Nb, Ta, Fe and Mn in the pegmatite fluid system, apparently influenced by the late stage fractionation of volatiles. This ultimately generated fluids rich in Ta and Na, resulting in resorption and replacement with patchy zoning of early formed, zoned columbite-tantalites.Keywords
Columbite-Tantalite, Rare Metal Pegmatite, Zoning, Ore Mineralogy, Southern Karnataka.- Carbon Isotope and X-Ray Diffraction Studies on Calcite-Graphite System in Calc-Granulites around Usilampatti Area, Madurai, Tamil Nadu
Authors
1 Atomic Minerals Directorate for Exploration and Research, Department of Atomic Energy, Begumpet, Hyderabad - 500 016, IN
2 National Geophysical Research Institute, Hyderabad - 500 007, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 55, No 1 (2000), Pagination: 37-46Abstract
Carbon isotope studies on calcite - graphite system yield narrow Δ Cat - Gr values, varying from 3.9 to 4.3, indicating equilibrium between coexisting calcite and graphite. Calcite - graphite geothermometry has assigned temperatures ranging from 630° to 700°C for the calc - granulites found to the NE of Usilampatti area. The inferred temperatures correspond to the retrograde temperatures obtained by cation exchange thermometry on the granulites from other areas in the Madurai Block. These temperatures may correspond to the late isobaric cooling event. X-ray diffraction studies indicate well ordered nature of these graphites and corroborate the findings of isotope geothermometric inferences.Keywords
Geothermometry, Calc-Granulite, Calcite-Graphite, Carbon-Oxygen Isotopes, X-Ray Diffraction, Usilampatti, Tamil Nadu.- Mineralogy and Geochemistry of Alkali Beryl from the Rare Metal Bearing Pegmatites of Marlagalla-Allapatna, Mandya District, Karnataka
Authors
1 Atomic Minerals Directorate for Exploration and Research, Begumpet, Hyderabad - 500 016, IN
2 Atomic Minerals Directorate for Exploration and Research, Nagarbhavi, Bangalore - 560072, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 54, No 6 (1999), Pagination: 599-608Abstract
White coloured alkali beryl from the pegmatites of Mariagalla-Allapatna in Mandya district, Karnataka contains distinctly higher alkali elements (Na, Li, Rb, Ca) and relatively low beryllium oxide (c. 11 % BeO) compared to normal beryl. Beryl occurs mostly between graphic intermediate zone and quartz core in the complexly zoned, spodumene-bearing Li-Cs-Ta (LCT) type pegmatites in this area. The average value (n = 7) for alkali beryl from this area are Na2O 1.26%, Li2O 0.6%, Cs2O, 0.74%, K2O 0.07 and Rb2O 0.08%. Cs content in some of the beryls are higher than Na and hence such beryls may be termed as a new Na-Li-Cs type X-ray powder diffraction data for the beryl (ao = 9.2765-9.339 Å, co = 9.2079-9.2487 Å) reveal differences in crystal structure with respect to normal beryls from Royalstone, Massachusetts, USA (ao = 9.215Å, co = 9.192Å) and compares well with the reported alkali beryl from Arizona, USA (ao = 9.30Å, co = 9.20Å) Their refractive index (Nω) ranges from 1.588 to 1.592 and the specific gravity varies from 2.74 to 2.79.Keywords
Economic Geology, Geochemistry, Mineralogy, Rare Metal Pegmatites, Beryl, Marlagalla, Karnataka.- On Some Geochemical Aspects of the Sevattur Carbonatite Complex, North Arcot District, Tamil Nadu
Authors
1 Atomic Minerals Division, Department of Atomic Energy, Hyderabad 16, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 18, No 6 (1977), Pagination: 265-274Abstract
The major and trace element compositions of the Sevattur carbonatites are broadly comparable with the 'typical carbonatite abundance' values compiled by Gold (1966). The mean values for the Sevattur carbonatites are as follows (in weight per cent): SiO2-2.60, Al2O3-2.49, TiO2-0.46, Fe2O3 + FeO-9.64, MnO-0.52, MgO-10.14, CaO-32.84, Na2O-0.85, K2O-0.49, P2O5-3.48, CO2-36.15, H2O±0.32, with trace elements in parts per million as: Ba-1663, Sr-6427, Zr-763, Rb-2, La-271, Ce-641, Y -41, Nb-78, Ta-34, SC-16, Zn-69, Cu-78, Ni-18, Pb-27.There is an enrichment of total iron, MgO, MnO, P2O5 and Na2O with successively younger phases within the main carbonatite body and such a feature is comparable with the liquid lines of descent, observed in synthetic carbonatite systems. Fenitisation of the country rocks (granitic gneisses) along the southern border of the carbonatite body is indicated from the enrichment of K2O, Na2O, Al2O3 and impoverishment in SiO2, total iron and MgO in the fenites when compared with the country rocks.
Sr (4109-9375 ppm, mean 6427) exceeds Ba (1000-2420 ppm, mean 1663) in all the types of carbonatites by a factor of 2 to 5. The lighter rare earths such as La and Ce are enriched in the calcitic types (La + Ce, 892-1351 ppm) when compared to the beforsites (647-920 ppm). In general, the beforsites are richer in Ba, Nb, Ta and Sc.
Among the carbonatitic minerals, early calcites are much enriched in Sr (5500-6200 ppm) in comparison with Ba (1230-1700) by a factor of 3 to 5. Sr with successively younger fractions of the carbonatite, seems to show a preference to the dolomites (3500-4000 ppm in the early phases and 9000-11000 ppm in the later phases) rather than to the apatites (6200 ppm). No systematic variation has been found in the Sr content of the different carbonatitic minerals within a particular carbonatite type.
The study emphasizes the importance of chemical data as one of the essential parameters in identifying carbonatite complexes from doubtful occurrences and also in elucidating their evolution. The study confirms the earlier observation that the carbonatites of Sevattur belong to the apatite-magnetite type.
- Petrology of the Carbonatites and Associated Rocks of Sung Valley, Jaintia Hills District, Meghalaya, India
Authors
1 Atomic Minerals Division, Begumpet, Hyderabad, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 26, No 6 (1985), Pagination: 361-379Abstract
In Sung Valley, (Lat : 25°31' -25°36'N : Long; 92°05' -92°10'E) the Shillong Series rocks comprising mainly quartzites and phyllites are intruded by a N-S trending, roughly oval shaped body of pyroxenite covering an area of about 35 km2 and into which the following genetically related rock types have been emplaced in order of decreasing age and abundance. Peridotites (stock-like bodies), ijolites (ring dyke and plug like), carbonatites (incomplete cone sheets) and syenites (sheets, dykes and veins). Minor dykes and veins of magnetite-serpentine rock, ijolite and melilite-bearing types with a rough radial disposition are also present. Fenitization, due to both ijolites and carbonatites, has affected older rocks resulting in wollastonite-rich aegirine-augite bearing rocks, K-feldspar-aegirine-augite veins and oversaturated potassic syenites.
Carbonatites are mainly sovites with minor beforsite and types rich in magnetite and apatite are present. Average abundances of trace elements (values in ppm) characterizing carbonatites such as Bu (549), Sr (3134), La (50-100), Ce (489), Y (50), Nb (372), Zr (179) and P2O5 (5.7) wt% are comparable to those found in reported intrusive carbonatites. The weathered mantle of the carbonatites and the contact zones between carbonatites and pyroxenites have resulted in soils rich in pyrochlore, apatite and magnetite. It is postulated that the carbonatites may be differentiates of an ijolitic magma, in turn derived (liquid immiscibility?) from a parental mela-nephelinite or alkali picritic magma. The ultramafic suite could represent the cumulates from such a picritic source.
- The Gold Content of Deccan Basalts Western Ghats, India
Authors
1 Yakut Institute of Geological Sciences, Siberian Branch, Russian Academy of Science, Yakutsk - 677 891, RU
2 Atomic Minerals Division, Hyderabad-500 016, IN
3 National Geophysical Research Institute, Hyderabad-500 007, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 42, No 3 (1993), Pagination: 243-246Abstract
Sixty nine (69) samples of Deccan basalt flows from the Western Ghats representing the Wai, Lonavala and Kalsubai subgroups average 3.7 ppb of gold. Gold content shows limited variation from 3.0 to 5.8 ppb in 62 samples whereas they range from 1.4 to 2.7 ppb in 7 samples. Flows of the Wai subgroup show the maximum variation in gold abundances (1.4 - 5.8 ppb) and which may be related to the presence of primitive uncontaminated basalts (Ambenali)- lowest value-crust-contaminated basalts (Poladpur) and basalts derived from enriched-mantle sources (Mahabaleshwar). Gold appears to be insensitive to crystal fractionation or differentiation as basalts of different types such as the picritic, porphyritic, aphyric and giant plagioclase-bearing types found within a subgroup or formation have similar avcrages (3.6-3.8 ppb).
Deccan Tholciitic basalts contain higher amounts of gold than dome of the occean island (Hawaii) tholciitic basalts island are (Kurile-Kamchatka) tholciites, but contain values similar to those found in the Columbia River basalt province.
Keywords
Gold, Deccan Basalts, Western Ghats, Economic Geology.- High-Alumina Hypersthene in a Basalt Flow from Mt. Sundook, Siberian Traps, Russia
Authors
1 National Geophysical Research Institute, Hyderabad 500007, IN
2 Atornic Minerals Division, Hyderabad-500016, IN
3 Vernadsky Institute of Geochemistry and Analytical Chemistry, Moscow-117075, RU
4 Vernadsky Institute of Geochemistry and Analytical Chemistry, Moscow-117075, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 41, No 6 (1993), Pagination: 509-512Abstract
Electron probe microanalysis (EPMA) and preliminary x- ray diffraction studies on a basalt flow from Mt.Sundook have revealed the presence of rare high-alumina hypersthene in the groundmass. The basalt occurs at the base of a 800 m flow sequence (Ivakinsky and Syverminsky suite) that unconformably overlies a Permo-Carboniferous sedimentary sequences. It is postulated that besides normal processes of fractionation, assimilation-fractional Crystallization (AFC) processes involving the parental magma and crustal components (pelitic sedinientary rocks) were responsible for the formation of hypersthene in the basalt. The presence of a complex feldspar and pyroxene assemblage may also be an additional evidence for the operation of such an AFC process.Keywords
High-Alumina Hypersthene, Basalt, Siberian Traps, Mt. Sundook, Russia.- The Fertile Granite at Allapatna, Mandya District, Karnataka : A Possible Parent to Rare Metal Pegmatites of Southern Karnataka
Authors
1 Atomic Minerals Division, Hyderabad - 500 016, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 47, No 1 (1996), Pagination: 95-98Abstract
The Allapatna granite has been found to be a low-calcic (CaO-0.85%), peraluminous (A/C+N+K ratio = 1.04) and potassic type (K2O=4.75%), enriched in Rb(362), Ga(25), Cs(3), Nb( 19), U(l3), Ta(18), Th(38), Pb(55) and strongly depleted in Ba(333). Such abundances together with low K/Rb ( 118.9), Ba/Rb (0.92) and Th/U (2.92), and high Rb/Sr (3.45) ratios than normal granite indicate their highly fractionated and fertile character and strongly suggests that the Li-Cs-Ta (LeT) rich rare metal bearing pegmatites of Marlagalla and nearby areas may have been derived from such a parental granitic magma.Keywords
Granite, Pegmatites, Rare Metals, Allapatna, Karnataka.- Deccan Basalts, (1996)
Authors
1 Atomic Minerals Division Begumpet Hyderabad - 500 016, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 48, No 3 (1996), Pagination: 367-368Abstract
No Abstract.- 'Carbonatite Workshop' Held at Ambadongar: December 6-11,1996
Authors
1 A.M.D., Hyderabad, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 49, No 4 (1997), Pagination: 451-452Abstract
No Abstract.- Possible Lava Channels and Tubes from the Siwana Caldera Sequence, Siwana, Barmer District, Rajasthan
Authors
1 Atomic Minerals Division, Begumpet, Hyderabad, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 50, No 3 (1997), Pagination: 303-305Abstract
Lava propagating systems comprising channels and tubes from the Siwana caldera sequence of the Malani Igneous Suite are reported at Sain Ki Beri and Dhiran. Their location near the periphery of the ring dyke suggests that these channels may have been fed by the volcanic vents or cones, that were part of the ring which collapsed later.Keywords
Petrology, Malani Igneous Suite, Lava Channels, Caldera, Rajasthan.- Late Archaean Granitoid With a Ring Structure Around Chandra, Mandya District, Karnataka
Authors
1 Atomic Minerals Directorate for Exploration and Research, Department of Atomic Energy, Hyderabad-500 016, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 54, No 4 (1999), Pagination: 411-414Abstract
A ring-like structure is defined by a late Archaean granite around Chandra. It is a fertile granite with a parental status akin to the rare metal pegmatite-hosted deposits of Li-Be-Nb and Ta around Allapatna-Marlagalla. This observation has important implications for new exploration targets for rare metal pegmatites in southern Karnataka and also geological evolution of the terrain as a whole.Keywords
Petrology, Ring Structure, Fertile Granite, Karnataka.- Golden Jubilee Celebrations of the Geological Society of India, 12-13 October 2008, Bangalore: A Report
Authors
1 Geological Society of India, Bangalore - 560 019, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 72, No 6 (2008), Pagination: 828-836Abstract
No abstract.- Special Issue of Mineralogy and Petrology on Carbonatites and Associated Mineralization
Authors
1 Management Training Centre UCIL, Narwapahar, Singhbhum East Jharkhand - 832 107, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 66, No 1 (2005), Pagination: 127-128Abstract
No Abstract.- Geochronology (Rb-Sr, Sm-Nd and Pb-Pb) of the Proterozoic Granulitic and Granitic Rocks around Usilampatti, Madurai District, Tamil Nadu: Implication on Age of Various Lithounits
Authors
1 Atomic Minerals Directorate Geochronology Lab , Begumpet, Hyderabad - 500 016, IN
2 Atomic Minerals Directorate, Pratap Nagar, Sanganer, Jaipur - 303 906, IN
3 Atomic Minerals Directorate, Khasmahal, Tatanagar - 831 002, Jharkhand, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 66, No 5 (2005), Pagination: 539-551Abstract
Rb-Sr, Sm-Nd and Pb-Pb systematics on mafic granulites, intermediate-charnockites, charnockites, calcgranulites, orthogneisses, leptynites, granites and two (2) mineral samples (microcline and muscovite) from pegmatite have been studied Sm-Nd model ages (TDM) for most of the rocks cluster around 2 1 Ga Calc-Granulites gave Rb-Sr whole rock isochron age of 1339 ± 110 Ma with initial 87sr/86sr ratio(I R ) = 0 709 Mesoproterozoic age for the Metasedimentary. Group of rocks (calc-granulites) has been inferred based on their 87sr/86sr ratio also. Granites and leptynites have yielded Rb-Sr whole rock isochron ages of 823 ± 38 Ma, with I R = 0 713 and 894 ± 82 Ma, with I R = 0 708 respectively which are younger than the calc-Granulites. Microcline and muscovite from pegmatite gave Rb-Sr model ages as 532 and 491 Ma respectively. Granites, leptynites and calc-Granulites are derived from the crustal source as indicated by their high initial 87sr/86sr ratios. Most probably the protolith of the granitic and granulitic rocks is of Palaeoproterozoic age in this part of the Madurai Block. The minimum age of granulite grade of metamorphism has been inferred at c 850 Ma, indirectly on the basis of Rb-Sr ages of leptynites, which normally form during the evolution of granulite facies assemblages. Both granulite facies metamorphism and granitic magmatism probably took place during Neoproterozoic period correlatable to the early phase of Pan-African orogeny. Later decompression, causing mineral scale resetting of the Rb-Sr and Sm-Nd systematics, around 450-550 Ma, may correspond to the final exhumation, which brought the middle to lower crustal granulites to upper crustal levels, during the last phase of Pan-African activity. As per ages obtained on various lithounits in the present study the Metasedimentary Group of rocks (Mesoproterozoic) are younger than the Charnockite Group of rocks (Palaeoproterozoic) followed by the rocks belonging to the Migmatite Complex (Neoproterozoic).Keywords
Rb-Sr, Sm-Nd, Pb-Pb Geochronology, Proterozoic, Granulites, Age, Lithounits Usilampatti, Madurai, Tamil Nadu.- Petromineragraphy and Mineral Chemistry of Bituminous Shale-Hosted Uranium Mineralisation at Sonrai, Lalitpur District, Uttar Pradesh
Authors
1 Atomic Minerals Directorate for Exploration and Research, New Delhi, IN
2 Atomic Minerals Directorate for Exploration and Research, Jamshedpur, IN
3 Atomic Minerals Directorate for Exploration and Research, Hyderabad, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 63, No 3 (2004), Pagination: 291-298Abstract
Bituminous shale of the Sonrai Formation of the Bijawar Group hosts uranium mineralisation in Sonrai, Lalitpur dist., U.P. Mineragraphy of radioactive mineral phases viz. pitchblende and U-Si complex indicate that the pitchblende, apparently the first formed uranium phase, occurs as dispersed phase in the bitumen. Multistage remobilisation of uranium due to thermal gradient provided by basic and acid magmatic activity have resulted in the concentration of pitchblende along the fractures. EMP based mineral chemistry of pitchblende has shown negligible amount of Th02 and small amounts of RE203(0.78 to 0.90%) indicating its low-temperature formation. Chemistry of U-Si complex, a precursor phase of coffinite-like phase, suggests its formation from U-Zr-Y-REE-P-rich and Th-depleted hydrothermal fluid. High variability of PbO content in pitchblende and U-Si complex and resultant large range in their chemical ages suggest high degree of mobility and remobilization of Pb. Pyrite and chalcopyrite besides bitumen, are indicative of reducing environment necessary for the precipitation of pitchblende. Three major episodes of U-mineralisation based on the chemical ages of pitchblende (within bitumen: 413 Ma and as fracture fill: 51 Ma) and U-Si complex (1 to 13 Ma) have been inferred from this area.Keywords
Petromineragraphy, Mineral Chemistry, Pitchblende, Uranium Mineralisation, Sonrai, Uttar Pradesh.- Discrete Selenide Phases from the Uraniferous Mahadek Sandstones of Domiasiat and Wahkyn South, West Khasi Hills District, Meghalaya
Authors
1 Atomic Minerals Directorate for Exploration and Research, Department of Atomic Energy 'Begumpet, Hyderabad - 500 016, IN
2 Atomic Minerals Directorate for Exploration and Research, Department of Atomic Energy, Shillong, Meghalaya, IN
3 Atomic Minerals Directorate for Exploration and Research, Department of Atomic Energy, Tatanagar, Jamshedpur, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 59, No 6 (2002), Pagination: 571-574Abstract
Occurrences of discrete selenide phases in the geological environment are rather rare and are confined to a few sulphide deposits and sandstone-type uranium deposits such as those of the Colorado plateau, USA. The occurrence of discrete selenide phases viz., clausthalite (PbSe), ferroselite (FeSe2) and Co-penroseite (CoNiCuSe2) are reported for the first time from the Uraniferous Mahadek sandstones of Domiasiat and Wahkyn South, West Khasi Hills District, Meghalaya. The selenide phases are associated with pyritiferous organic matter, pitchblende and other ore minerals such as marcasite and sphalerite.- Mineralogical and Geochemical Study on Carbonate Veins of the Salem-Attur Fault Zone, Southern India: Evidence for Carbonatitic Affinity
Authors
1 National Geophysical Research Institute, Uppal Road, Hyderabad-500 007, IN
2 Atomic Minerals Directorate for Exploration and Research, AMD Complex, Begumpet, Hyderabad-500 01 6, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 58, No 1 (2001), Pagination: 15-26Abstract
Carbonate veins up to few metres thick have been recognised in the E-W striking Salem-Attur deep fault zone which represents the eastern extention of the Moyar fault in the southern granulite terrane of India. X-ray diffraction, FTIR spectroscopy and chemical analyses show calcite, ankerite, siderite and benstonite as dominant minerals besides minor apatite and green biotite. Whole rock compositions show enrichment of light REE, Ba, Sr and Nb. C and 0 isotopic data determined for calcite (δ13C= -4.9 to -5.1%0 V-PDB and δ180 = 9 to 9.2%0 V-SMOW) points to a mantle origin. The chemical characteristics therefore suggest that the carbonate veins have carbonatitic affinity. The FTIR spectra provide evidence for presence of H20 and CH4 in addition to CO2 in the carbonate minerals of these veins.Keywords
Ferrocarbonatites, Benstonite, FTIR Spectroscopy, X-Ray Diffraction, Geochemistry, Isotopes, Tamil Nadu.- Conference on Carbonatites and Associated Alkaline Rocks of Tamil Nadu
Authors
1 Atomic Minerals Directorate for Exploration and Research Jamshedpur - 831 002, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 58, No 1 (2001), Pagination: 81-81Abstract
No Abstract.- Geo-Spectrum Interface
Authors
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 73, No 2 (2009), Pagination: 290-290Abstract
No Abstract.- Deccan Volcanics (2006): A Field Guide Book on Geological Mapping of Physical Volcanological Features of the Deccan Volcanic Province
Authors
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 73, No 2 (2009), Pagination: 290-290Abstract
No Abstract.- The Earth System Sciences in the 21st Century: Ten Big Questions Posed by Select Committee Formed by the National Research Council (NRC), USA - A Summary
Authors
1 Bangalore, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 75, No 2 (2010), Pagination: 444-446Abstract
No Abstract.- Alex Du Toit Memorial Lecture
Authors
1 Geolgoical Society of India, Bangalore, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 77, No 1 (2011), Pagination: 99-100Abstract
No Abstract.
- 'Earth Day' Celebration, April 22, 2010
Authors
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 76, No 1 (2010), Pagination: 96-98Abstract
No Abstract.- 6th International Dyke Conference, Varanasi, India
Authors
1 Geological Society of India, Bangalore - 560 019, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 75, No 4 (2010), Pagination: 573-575Abstract
No Abstract.- Foundation Day Celebrations of Geological Society of India, Bangalore
Authors
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 76, No 2 (2010), Pagination: 196-196Abstract
No Abstract.- 'Eyjafjallajokull' Volcano of Iceland
Authors
1 Bangalore, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 76, No 3 (2010), Pagination: 296-296Abstract
No Abstract.- 7th Annual Meeting of the Asia Oceania Geosciences Society (AOGS)
Authors
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 76, No 3 (2010), Pagination: 299-299Abstract
No Abstract.- Fundamentals of Geology
Authors
1 Geological Society of India, Bangalore, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 76, No 4 (2010), Pagination: 419-419Abstract
No Abstract.- Vision Document on "Mineral Development - 2020 for Orissa"
Authors
1 Geological Society of India, Bangalore - 560 019, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 76, No 6 (2010), Pagination: 632-634Abstract
No Abstract.- Report on Training in "Advances in Chromitite, Ni-Cu Sulphide and PGE Deposits in Ultramafic and Mafic Igneous Rocks with Special Reference to the Nuggihalli Schist Belt (NSB) and Extension Areas, Karnataka, India
Authors
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 77, No 2 (2011), Pagination: 200-201Abstract
No Abstract.- Launching of a New Journal from China
Authors
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 77, No 2 (2011), Pagination: 204-204Abstract
No Abstract.- Geochemistry: Exploration, Environment and Analysis
Authors
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 77, No 4 (2011), Pagination: 385-386Abstract
No Abstract.- Special Lectures by Prof. Roger H. Mitchell, Lakehead University, Ontario, Canada
Authors
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 77, No 4 (2011), Pagination: 394-395Abstract
No Abstract.- Gold Metallogeny Indiaand Beyond
Authors
1 Geological Society of India, Bangalore - 560 019, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 77, No 5 (2011), Pagination: 478-480Abstract
No Abstract.- Kolar Gold Fields down Memory Lane
Authors
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 77, No 5 (2011), Pagination: 482-483Abstract
No Abstract.- Workshop on Groundwater Hydrogeology and Groundwater Quality in and around Bangalore City
Authors
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 77, No 5 (2011), Pagination: 490-492Abstract
No Abstract.- Earth Day 2011 Celebrations
Authors
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 77, No 6 (2011), Pagination: 580-582Abstract
No Abstract.- World Environment Day, 5th June, 2011
Authors
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 78, No 1 (2011), Pagination: 92-93Abstract
No Abstract.- Prof. W. D. West's Centenary Celebration and Conference Report
Authors
1 Department of Atomic Energy Begumpet, Hyderabad - 500 016, IN