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Number of items: 72.

Gopalan, Kunchithapadam (2011) High precision isotope dilution determination of potassium by thermal ionisation mass spectrometry Geostandards and Geoanalytical Research, 35 (2). pp. 175-181. ISSN 1639-4488

Gopalan, K. ; Venkatasubramanian, V. S. (2009) Studies of radioactive disequilibrium in minerals by alpha-ray spectroscopy Indian Journal of Pure & Applied Physics, 3 . pp. 478-482. ISSN 0019-5596

Gopalan, K. ; Anil Kumar, (2008) Phlogopite K-Ca dating of Narayanpet kimberlites, south India: implications to the discordance between their Rb-Sr and Ar/Ar ages Precambrian Research, 167 (3-4). pp. 377-382. ISSN 0301-9268

Gopalan, K. (2008) Conjunctive K-Ca and Rb-Sr dating of glauconies Chemical Geology, 247 (1-2). pp. 119-123. ISSN 0009-2541

Gopalan, Kunchithapadam ; Macdougall, J. Douglas ; Macisaac, Christopher (2007) High precision determination of 48Ca/42Ca ratio by tims for Ca isotope fractionation studies Geostandards and Geoanalytical Research, 31 (3). pp. 227-236. ISSN 1639-4488

Gopalan, K. (2007) Helium isotopic memories of episodic mantle melting and crustal growth Current Science, 93 (1). pp. 13-14. ISSN 0011-3891

Sarangi, S. ; Gopalan, K. ; Srinivasan, R. (2007) Small scale sampling for Pb-Pb dating of marbles: example from the Sargur supracrustal rocks, Dharwar Craton, South India Precambrian Research, 152 (1-2). pp. 83-91. ISSN 0301-9268

Ravi Prasad, G. V. ; Rajagopalan, G. ; Choudhury, R. K. ; Gopalan, K. ; Somayajulu, B. L. K. (2006) AMS facility at institute of physics, Bhubaneswar: inter-laboratory comparison of results Current Science, 90 (4). pp. 488-490. ISSN 0011-3891

Gopalan, Kunchithapadam ; Macdougall, D. ; Macisaac, C. (2006) Evaluation of a 42Ca-43Ca double-spike for high precision Ca isotope analysis International Journal of Mass Spectrometry, 248 (1-2). pp. 9-16. ISSN 1387-3806

Sarangi, S. ; Gopalan, K. ; Roy, A. B. ; Sreenivas, B. ; Das Sharma, S. (2006) Pb-Pb age of carbonates of Jhamarkotra formation: constraints on the age of Aravalli supergroup, Rajasthan Journal of the Geological Society of India, 67 (4). pp. 442-446. ISSN 0016-7622

Mahapatra, D. P. ; Behera, A. K. ; Gopalan, K. ; Chakraborty, S. ; Dutta, K. ; Somayajulu, B. L. K. (2004) AMS at the Institute of Physics, Bhubaneswar, India Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 223-224 . pp. 26-30. ISSN 0168-583X

Sarangi, S. ; Gopalan, K. ; Kumar, S. (2004) Pb-Pb age of earliest megascopic, eukaryotic alga bearing Rohtas Formation, Vindhyan Supergroup, India: implications for Precambrian atmospheric oxygen evolution Precambrian Research, 132 (1-2). pp. 107-121. ISSN 0301-9268

Gopalan, K. (2003) Indian journals: scope for improvement Current Science, 85 (7). pp. 853-854. ISSN 0011-3891

Sharma, S. Das ; Patil, D. J. ; Gopalan, K. (2002) Temperature dependence of oxygen isotope fractionation of CO2 from magnesite-phosphoric acid reaction Geochimica et Cosmochimica Acta, 66 (4). pp. 589-593. ISSN 0016-7037

Gopalan, K. (2002) Direct correction for mass fractionation of spiked isotopic ratios from dynamic multicollector measurements Geochemical Journal, 36 (1). pp. 83-89. ISSN 0016-7002

Anil Kumar, ; Gopalan, K. ; Rajagopalan, G. (2001) Age of the Lower Vindhyan sediments, Central India Current Science, 81 (7). pp. 806-809. ISSN 0011-3891

Shukla, A. D. ; Bhandari, N. ; Kusumgar, Sheela ; Shukla, P. N. ; Ghevariya, Z. G. ; Gopalan, K. ; Balaram, V. (2001) Geochemistry and magnetostratigraphy of Deccan flows at Anjar, Kutch Proceedings of the Indian Academy of Sciences - Earth and Planetary Sciences, 110 (2). pp. 111-132. ISSN 0253-4126

Ravi Prasad, G. V. ; Mahapatra, D. P. ; Punithavelu, A. M. ; Somayajulu, B. L. K. ; Gopalan, K. (2000) Status of the AMS project at IOP Bhubaneswar Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 172 (1-4). pp. 66-69. ISSN 0168-583X

Gupta, Anil K. ; Ahmad, S. M. ; Dayal, A. M. ; Gopalan, K. (2000) Is strontium isotope record a strict proxy for chemical weathering rates during the late Miocene (Ocean Drilling Program Site 758A)? Current Science, 79 (6). pp. 899-902. ISSN 0011-3891

Ahmad, S. M. ; Dayal, A. M. ; Padmakumari, V. M. ; Gopalan, K. (2000) Evolution of strontium isotopes in seawater during the middle Miocene: new results from ODP site 758A Journal of the Geological Society of India, 55 (3). p. 307. ISSN 0016-7622

Krishnamurthy, P. ; Gopalan, K. ; Macdougall, J. D. (2000) Olivine compositions in picrite basalts and the Deccan volcanic cycle Journal of Petrology, 41 (7). pp. 1057-1069. ISSN 0022-3530

Anil Kumar, ; Gopalan, K. ; Bhandari, N. (1999) 147sm-143Nd and 87Rb-87Sr ages of the eucrite Piplia Kalan Geochimica et Cosmochimica Acta, 63 (23-24). pp. 3997-4001. ISSN 0016-7037

Zachariah, John K. ; Bhaskar Rao, Y. J. ; Srinivasan, R. ; Gopalan, K. (1999) Pb, Sr and Nd isotope systematics of uranium mineralised stromatolitic dolomites from the proterozoic cuddapah supergroup, South India: constraints on age and provenance Chemical Geology, 162 (1). pp. 49-64. ISSN 0009-2541

Anil Kumar, ; Gopalan, K. ; Zachariah, J. K. ; Bhandari, N. (1998) Sm-Nd age of the 'Piplia Kalan' eucrlte Chinese Science Bulletin, 43 (1). p. 70. ISSN 1001-6538

Anil Kumar, ; Nirmal Charan, S. ; Gopalan, K. ; Macdougall, J. D. (1998) A long-lived enriched mantle source for two Proterozoic carbonatite complexes from Tamil Nadu, southern India Geochimica et Cosmochimica Acta, 62 (3). pp. 515-523. ISSN 0016-7037

Venkatesan, T. R. ; Anil Kumar, ; Gopalan, K. ; Al'Mukhamedov, A. I. (1997) 40Ar-39Ar age of Siberian basaltic volcanism Chemical Geology, 138 (3-4). pp. 303-310. ISSN 0009-2541

Srinivasan, R. ; Pantulu, G. V. C. ; Gopalan, K. (1997) Rare earth element geochemistry and Rb-Sr geochronology of Archaean stromatolitic cherts of the Dharwar craton, south India Proceedings of the Indian Academy of Sciences - Earth & Planetary Sciences, 106 (4). pp. 369-377. ISSN 0253-4126

Anil Kumar, ; Bhaskar Rao, Y. J. ; Sivaraman, T. V. ; Gopalan, K. (1996) Sm-Nd ages of Archaean metavolcanics of the Dharwar craton, South India Precambrian Research, 80 (3-4). pp. 205-216. ISSN 0301-9268

Bhaskar Rao, Y. J. ; Chetty, T. R. K. ; Janardhan, A. S. ; Gopalan, K. (1996) Sm-Nd and Rb-Sr ages and P-T history of the Archean Sittampundi and Bhavani layered meta-anorthosite complexes in Cauvery shear zone, South India: evidence for Neoproterozoic reworking of Archean crust Contributions to Mineralogy and Petrology, 125 (2-3). pp. 237-250. ISSN 0010-7999

Subba Rao, T. V. ; Narayana, B. L. ; Gopalan, K. (1994) Rb-Sr age of the Sivamalai alkaline complex, Tamil Nadu Proceedings of the Indian Academy of Sciences - Earth and Planetary Sciences, 103 (3). pp. 425-437. ISSN 0253-4126

Sharma, S. Das ; Patil, D. J. ; Srinivasan, R. ; Gopalan, K. (1994) Very high 18O enrichment in archean cherts from South India: implications for Archean ocean temperature Terra Nova, 6 (4). pp. 385-390. ISSN 0954-4879

Natarajana, M. ; Bhaskar Rao, B. ; Parthasarathy, R. ; Anil Kumar, ; Gopalan, K. (1994) 2.0 Ga old pyroxenite-carbonatite complex of Hogenakal, Tamil Nadu, South India Precambrian Research, 65 (1-4). pp. 167-181. ISSN 0301-9268

Naha, K. ; Srinivasan, R. ; Gopalan, K. ; Pantulu, G. V. C. ; Subba Rao, M. V. ; Vrevsky, A. B. ; Bogomolov, Ye. S. (1993) The nature of the basement in the Archaean Dharwar craton of southern India and the age of the Peninsular Gneiss Proceedings of the Indian Academy of Sciences - Earth and Planetary Sciences, 102 (4). pp. 547-565. ISSN 0253-4126

Venkatesan, T. R. ; Pande, K. ; Gopalan, K. (1993) Did Deccan volcanism pre-date the Cretaceous/Tertiary transition? Earth and Planetary Science Letters, 119 (1-2). pp. 181-189. ISSN 0012-821X

Panigrahi, M. K. ; Mookherjee, A. ; Pantulu, G. V. C. ; Gopalan, K. (1993) Granitoids around the Malanjkhand copper deposit: types and age relationship Proceedings of the Indian Academy of Sciences - Earth and Planetary Sciences, 102 (2). pp. 399-413. ISSN 0253-4126

Anil Kumar, ; Padma Kumari, V. M. ; Dayal, A. M. ; Murthy, D. S. N. ; Gopalan, K. (1993) Rb-Sr ages of Proterozoic kimberlites of India: evidence for contemporaneous emplacement Precambrian Research, 62 (3). pp. 227-237. ISSN 0301-9268

Bhaskar Rao, Y. J. ; Sivaraman, T. V. ; Pantulu, G. V. C. ; Gopalan, K. ; Naqvi, S. M. (1992) Rb-Sr ages of late Archean metavolcanics and granites, Dharwar craton, South India and evidence for Early Proterozoic thermotectonic event (s) Precambrian Research, 59 (1-2). pp. 145-170. ISSN 0301-9268

Srimvasan, R. ; Naha, K. ; Bhaskar Rao, Y. J. ; Gopalan, K. ; Vrevsky, A. B. ; Ryabakov, S. I. ; Golubev, A. I. (1992) Archaean greenstone belts of the Eastern Baltic and the Southern Indian shields - a comparative study Current Science, 62 (11). pp. 741-744. ISSN 0011-3891

Bhaskar Rao, Y. J. ; Naha, K. ; Srinivasan, R. ; Gopalan, K. (1991) Geology, geochemistry and geochronology of the Archaean Peninsular Gneiss around Gorur, Hassan District, Karnataka, India Proceedings of the Indian Academy of Sciences - Earth and Planetary Sciences, 100 (4). pp. 399-412. ISSN 0253-4126

Anil Kumar, ; Bhaskar Rao, Y. J. ; Padma Kumari, V. M. ; Dayal, A. M. ; Gopalan, K. (1988) Late cretaceous mafic dykes in the Dharwar craton Proceedings of the Indian Academy of Sciences - Earth and Planetary Sciences, 97 (1). pp. 107-114. ISSN 0253-4126

Dhoundial, D. P. ; Paul, D. K. ; Sarkar, Amitabha ; Trivedi, J. R. ; Gopalan, K. ; Potts, P. J. (1987) Geochronology and geochemistry of Precambrian granitic rocks of Goa, SW India Precambrian Research, 36 (3-4). pp. 287-302. ISSN 0301-9268

Ramesh, R. ; Bhattacharya, S. K. ; Gopalan, K. (1986) Climatic correlations in the stable isotope records of silver fir (Abies pindrow) trees from Kashmir, India Earth and Planetary Science Letters, 79 (1-2). pp. 66-74. ISSN 0012-821X

Ramesh, R. ; Bhattacharya, S. K. ; Gopalan, K. (1985) Dendroclimatological implications of isotope coherence in trees from Kashmir Valley, India Nature, 317 . pp. 802-804. ISSN 0028-0836

Mahoney, J. J. ; Macdougall, J. D. ; Lugmair, G. W. ; Gopalan, K. ; Krishnamurthy, P. (1985) Origin of contemporaneous tholeiitic and K-rich alkalic lavas: a case study from the northern Deccan Plateau, India Earth and Planetary Science Letters, 72 (1). pp. 39-53. ISSN 0012-821X

Gopalan, K. ; Choudhary, A. K. (1984) The crustal record in Rajasthan Proceedings of the Indian Academy of Sciences - Earth and Planetary Sciences, 93 (3). pp. 337-342. ISSN 0253-4126

Choudhary, A. K. ; Gopalan, K. ; Anjaneya Sastry, C. (1984) Present status of the geochronology of the Precambrian rocks of Rajasthan Tectonophysics, 105 (1-4). pp. 131-140. ISSN 0040-1951

Oza, P. G. ; Mazumdar, H. S. ; Choudhary, A. K. ; Gopalan, K. (1984) A microcomputer system for mass spectrometer control and data acquisition Proceedings of the Indian Academy of Sciences - Chemical Sciences, 93 (2). pp. 189-193. ISSN 0253-4134

Mahoney, J. J. ; Macdougall, J. D. ; Lugmair, G. W. ; Gopalan, K. (1983) Kerguelen hotspot source for Rajmahal Traps and Ninetyeast Ridge Nature, 303 . pp. 385-389. ISSN 0028-0836

Mahoney, J. ; Macdougall, J. D. ; Lugmair, G. W. ; Murali, A. V. ; Sankar Das, M. ; Gopalan, K. (1982) Origin of the Deccan Trap flows at Mahabaleshwar inferred from Nd and Sr isotopic and chemical evidence Earth and Planetary Science Letters, 60 (1). pp. 47-60. ISSN 0012-821X

Trivedi, J. R. ; Gopalan, K. ; Kisharma, Kewal ; Gupta, K. R. ; Choubey, V. M. (1982) Rb-Sr age of Gaik granite, Ladakh batholith, northwest Himalaya Proceedings of the Indian Academy of Sciences - Earth and Planetary Sciences, 91 (1). pp. 65-73. ISSN 0253-4126

Gopalan, K. ; Trivedi, J. R. ; Merh, S. S. ; Patel, P. P. ; Patel, S. G. (1979) Rb-Sr age of Godhra and related granites, Gujarat, India Proceedings of the Indian Academy of Sciences - Earth and Planetary Sciences, 88 (1). pp. 7-17. ISSN 0253-4126

Bhai, N. B. ; Gopalan, K. ; Goswami, J. N. ; Rao, M. N. ; Venkatesan, T. R. (1978) Solar cosmic ray produced neon and xenon isotopes and particle tracks in feldspars from lunar fines 14148 and 24087 Proceedings of the Lunar and Planetary Science Conference, 2 . pp. 1629-1645. ISSN 0270-9511

Gopalan, K. ; Rao, M. N. ; Suthar, K. M. ; Venkatesan, T. R. (1977) Cosmogenic and radiogenic noble gases in the Dhajala chondrite Earth and Planetary Science Letters, 36 (2). pp. 341-346. ISSN 0012-821X

Gopalan, K. ; Goswami, J. N. ; Rao, M. N. ; Suthar, K. M. ; Venkatesan, T. R. (1977) Solar cosmic ray produced noble gases and tracks in lunar fines 10084 and 14163 Proceedings of the Lunar and Planetary Science Conference, 1 . pp. 793-811. ISSN 0270-9511

Gopalan, K. ; Rao, M. N. (1976) Rare gases in Bansur, Udaipur and Madhipura chondrites Meteoritics, 11 . pp. 131-136. ISSN 0026-1114

Gopalan, K. ; Rao, M. N. (1976) Neon, argon and xenon isotopes in allende white inclusions Meteoritics, 11 . p. 289. ISSN 0026-1114

Gopalan, K. ; Rao, M. N. (1976) Solar cosmic ray effects in heavy noble gases of lunar soils and Breccias Proceedings of the Lunar and Planetary Science Conference, 7 . pp. 316-318. ISSN 0270-9511

Gopalan, K. ; Rao, M. N. (1975) Rare gas studies of allende and St.severin meteorites and their implications with reference to curium-248 Meteoritics, 10 . p. 410. ISSN 0026-1114

Gopalan, K. ; Rao, M. N. (1975) Enhanced solar cosmic-ray flux in the early solar system Proceedings of the Lunar and Planetary Science Conference, 5 . pp. 1607-1612. ISSN 0270-9511

Gopalan, K. ; Rao, M. N. (1975) Uranium-xenon dating by thermal neutron irradiation Canadian Journal of Earth Sciences / Revue Canadienne des Sciences de la Terre, 12 (5). pp. 887-890. ISSN 0008-4077

Bhattacharya, S. K. ; Gopalan, K. ; Goswami, J. N. ; Lal, D. ; Rao, M. N. (1974) Ancient solar wind and solar flare activity Proceedings of the Lunar and Planetary Science Conference . p. 73. ISSN 0270-9511

Agrawal, J. K. ; Gopalan, K. ; Rao, M. N. (1974) Solar wind and cosmogenic rare gases in Luna 16 and 20 soils and their correlation with cosmic ray produced fossil tracks in lunar samples Pramana - Journal of Physics, 3 (3). pp. 176-185. ISSN 0304-4289

Rao, M. N. ; Gopalan, K. (1973) Curium-248 in the early solar system Nature, 245 . pp. 304-307. ISSN 0028-0836

Gopalan, K. ; Rao, M. N. (1973) Noble gases in three Indian meteorites Meteoritics, 8 . p. 374. ISSN 0026-1114

Rao, M. N. ; Gopalan, K. ; Venkatavaradan, V. S. ; Wilkening, L. (1971) Solar flare effects in lunar xenon Nature, 233 . pp. 114-117. ISSN 0028-0836

Gopalan, K. ; Wetherill, G. W. (1971) Rubidium-Strontium studies on black hypersthene chondrites: effects of shock and reheating Journal of Geophysical Research, 76 (35). pp. 8484-8492. ISSN 0148-0227

Gopalan, K. ; Kaushal, S. ; Lee-Hu, C. ; Wetherill, G. W. (1970) Rubidium-strontium, uranium, and thorium-lead dating of lunar material Science, 167 (3918). pp. 471-473. ISSN 0036-8075

Gopalan, K. ; Wetherill, G. W. (1970) Rubidium-Strontium studies on enstatite chondrites: whole meteorite and mineral isochrons Journal of Geophysical Research, 75 (17). pp. 3457-3467. ISSN 0148-0227

Gopalan, K. ; Wetherill, G. W. (1969) Rubidium-Strontium age of amphoterite (LL) chondrites Journal of Geophysical Research, 74 (17). pp. 4349-4358. ISSN 0148-0227

Gopalan, K. ; Wetherill, G. W. (1968) Rubidium-strontium age of hypersthene (L) chondrites Journal of Geophysical Research: Solid Earth, 73 (22). pp. 7133-7136. ISSN 0148-0227

Venkatasubramanian, V. S. ; Gopalan, K. ; Iyer, S. S. ; Pal, S. ; Krishnan, R. S. (1968) Studies on the Rb-Sr and K-Ar dating of minerals from the Precambrian of India Canadian Journal of Earth Sciences, 5 (3). pp. 601-603. ISSN 0008-4077

Reynolds , John H. (1956) High sensitivity mass spectrometer for noble gas analysis Review of Scientific Instruments, 27 (11). pp. 928-934. ISSN 0034-6748

This list was generated on Tue Dec 11 08:56:49 2018 UTC.