The geoid in southeastern Brazil and adjacent regions: New constraints on density distribution and thermal state of the lithosphere

Journal of Geodynamics

Volumn 28, Issue 4-5, 1999, Pages 357-374

  Molina, Eder Cassola ^a   Ussami, Naomi ^a  

^a UNIVERSITY OF SÃO PAULO   (Brazil)

Author keywords

[No Author keywords available]

Indexed keywords

DENSITY; GEOID; LITHOSPHERIC STRUCTURE;

BRAZIL;

EID: 0343776182     PISSN: 02643707     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0264-3707(99)00015-0     Document Type: Article

References (53)

1. Almeida F.F.M., Hasui Y., Neves B.B.B., Fuck R.A. Brazilian structural provinces: an introduction. Earth Science Review. 17:1981;1-29.
2. Anderson D.L. The sublithospheric mantle as the source of continental flood basalts; the case against the continental lithosphere and plume head reservoirs. Earth and Planetary Science Letters. 123:1994;269-280.
3. Anderson D.L., Tanimoto T., Zhang Y.S. Plate tectonics and hotspots: the third dimension. Science. 256:1992;1645-1651.
4. Arabelos D., Tziavos I.N. Sea surface heights in the Mediterranean Sea from Geosat altimeter data. Journal of Geophysical Research. 95:1990;17947-17956.
5. Assumpção M. Seismicity and stresses in the Brazilian Passive margin. Bulletin of the Seismological Society of America. 88:1998;160-169.
6. Assumpção M., James D., Snoke A. Crustal thicknesses in SE Brazilian shield with receiver function: isostatic compensation by density variations in the lithospheric mantle. In Anais do 5° Congresso Internacional da Sociedade Brasileira de Geofisica. 2:1997;895-897.
7. Baker P.F. Tectonic evolution and subsidence history of the Rio Grande Rise. Baker P.F., Carlson R.L. Initial Reports of the DSDP. vol. 72:1983;953-976 US Government Printing Office, Washington, D.C.
8. Bowin C. The geoid and deep earth mass anomaly structure. vanicek P., Christou N.T. Geoid and its Geophysical Interpretations. 1993;203-219 CRC Press, USA.
9. Bulot A., Diament M., Kogan M.G., Dubois J. Isostasy of aseismic tectonic units in the South Atlantic Ocean and geodynamic implications. Earth Planetary Science Letters. 70:1984;346-354.
10. Campbell I.H., Griffith R.W. Implications of mantle plume structure for the origin of flood basalts. Earth Planetary Science Letters. 99:1990;79-93.
11. Cazenave A., Dominh K., Rabinowitz P.D., Ceuleneer G. Geoid and depth anomalies over ocean swells and troughs: evidence of an increasing trend of the geoid to depth ratio with age of plate. Journal of Geophysical Research. 93:1988;8064-8077.
12. Cordani U.G. Idade do vulcanismo no Oceano Atlântico Sul. Boletim de Geociências e Astronomia da Universidade de São Paulo. 1:1970;9-75.
13. Crough S.T. Thermal origin of hot-spot swells. Geophysical Journal of the Royal Astronomic Society. 87:1978;815-868.
14. Deckart K., Féraud G., Marques L.S., Bertrand H. New time constraints on dyke swarms related to the Paraná-Etendeka magmatic province, and subsequent South Atlantic opening, southeastern Brazil. Journal of Volcanology and Geothermal Research. 80:1998;67-83.
15. Doin M.P., Fleitout D., McKenzie D. Geoid anomalies and the structure of continental and oceanic lithosphere. Journal of Geophysical Research. 101:1996;16119-16135.
16. Ernesto M., Raposo M.I.B., Renne P.R. Paleomagnetism and MAS studies in diabase rocks bordering the Paraná Magmatic Province. Eos, Transactions, AGU. 78:(46):1997;741.
17. Ferreira, F.J.F., 1982. Integração de dados aeromagnéticos e geológicos: configuração e evolução tectônica do Arco de Ponta Grossa. Master thesis, Universidade de São Paulo, pp. 170.
18. Fodor R.V., Asmus H.E. K-Ar ages and the opening of the South Atlantic Ocean: basaltic rock from the Brazilian margin. Marine Geology. 54:1983;M1-M8.
19. Gallagher K., Hawkesworth C.J., Mantovani M.S.M. The denudation history of the onshore continental margin of SE Brazil inferred from apatite fission track data. Journal of Geophysical Research. 99:1994;18117-18145.
20. Gamboa L.A.P., Rabinowitz P.D. The Evolution of the Rio Grande Rise in the Southwest Atlantic Ocean. Marine Geology. 58:1984;35-58.
21. Gibson S.A., Thompson R.N., Leonardos O.H., Dickin A.P., Mitchell J.G. The late cretaceous impact of the Trindade Mantle Plume: evidence from large-volume, mafic, potassic magmatism in SE Brazil. Journal of Petrology. 36:1995;189-229.
22. Gonçalves A., Oliveira M.A.M., Motta S.O. Geologia da Bacia de Pelotas e da Plataforma de Florianópolis. Boletim Técnico da Petrobrás. 22:(3):1979;157-174.
23. Haines B.J., Born G.H., Rosborough G.W., Marsh J.G., Williamson R.G. Precise orbit computation for the Geosat exact repeat mission. Journal of Geophysical Research. 95:(C3):1992;2871-2886.
24. Haxby W.F., Turcotte D.L. On isostatic geoid anomalies. Journal of Geophysical Research. 83:1978;5473-5478.
25. Hegarty K.A., Duddy I.R., Green P.F. The thermal history in around the Paraná basin using apatite fission track analysis - implications for hydrocarbon occurrences and basin formation. Comin-Chiaramonti P., Gomes C.B. Alkaline Magmatism in Central-Eastern Paraguay: Relationships with Coeval Magmatism in Brazil. 1996;67-84 Edusp/Fapesp, São Paulo.
26. Hill R.I. Starting plumes and continental break-up. Earth Planetary Science Letters. 104:1991;398-416.
27. Hittleman, A.M., Groman, R.C., Haworth, R.T., Holcombe, T.L., McHendrie, G., Smith, S. M., 1977. The Marine Geophysical Data Exchange Format MGD77, Key to Geophysical Records Documentation 10, National Geophysical Data Center, National Oceanographic and Atmospheric Administration, Boulder, Colorado.
28. International Association of Geodesy (IAG), 1974. The international gravity standardization net, 1971. Bulletin Géodésique, Special Publication, vol. 4, 194 pp.
29. Knudsen P. Estimation and modelling of the local empirical covariance function using gravity and satellite altimeter data. Bulletin Géodésique. 61:1987;145-160.
30. Marshak S., Alkmim F.F., Jordt-Evangelista H. Proterozoic crustal extension and the generation of dome-and-keel structure in an Archaean granite-greenstone terrane. Nature. 357:1992;491-493.
31. Molina, E.C., 1996. Ajustamento e integração de dados gravimétricos e de altimetria por satélite na representação do campo de gravidade no Atlântico Sul. PhD Thesis, IAG-USP, 200 pp.
32. Molina E.C., Ussami N., de Sá N.C., Blitzkow D., Miranda F O.F. Deep crustal structure under Paraná Basin (Brazil) from gravity study. Piccirillo E.M., Melfi A.J. The Mesozoic Volcanism of the Paraná basin: Petrogenetic and Geophysical Aspects. 1988;271-283 IAG/USP, São Paulo.
33. Moritz H. Advanced Physical Geodesy. 1980;Abacus Press, Wichmann.
34. NGDC (National Geophysical Data Center), 1991. Marine Geological and Geophysical Data from NGDC. Colorado, USA.
35. O'Connor J.M., Duncan R.A. Evolution of the Walvis Ridge-Rio Grande rise hot spot system: implications for African and South American plate motions over plumes. Journal of Geophysical Research. 95:1990;17475-17502.
36. Piccirillo E.M., Bellieni G., Comin-Chiaramont P., Ernesto M., Melfi A.J., Pacca I.G., Ussami N. Significance of the Paraná Flood volcanism in the disruption of Western Gondwanaland. Piccirillo E.M., Melfi A.J. The Mesozoic Volcanism of the Paraná basin: petrogenetic and geophysical aspects. 1988;285-295 IAG/USP, São Paulo.
37. Prince R.A., Forsyth D.W. A simple objective method for minimizing crossover errors in marine gravity data. Journal of Geophysical Research. 49:1984;1070-1083.
38. 39Ar dating of the Early Cretaceous Florianópolis dike swarm (Santa Catarina Island), Southern Brazil. Physics of the Earth and Plan. Interiors. 108:1998;275-290.
39. Rapp, R.H., Lemoine, F., 1998. The development of the joint NASA GSFC and the National Imagery and Mapping Agency (NIMA) geopotential model EGM96. NASA/TP-1998-206861, GSFC, Greenbelt, MD.
40. Rapp R.H., Pavlis N.K. The development and analysis of geopotential coefficient models to spherical harmonic degree 360. Journal of Geophysical Research. 95:1990;21885-21911.
41. Renne P.R., Ernesto M., Pacca I.G., Coe R.S., Glen J.M., Prevot M., Perrin M. The age of Paraná flood volcanism, rifting of Gondwanaland, and the Jurassic-Cretaceous boundary. Science. 258:1992;975-979.
42. Richards M., Duncan R., Courtillot V. Flood basalts and hotspots tracks: plume heads and tails. Science. 246:1989;103-108.
43. de Sá N.C., deUssami N., Molina E.C. Gravity map of Brazil 1. Representation of free-air and Bouguer anomalies. Journal of Geophysical Research. 98:1993;2187-2197.
44. Sandwell D.T., McAdoo D.C. High-accuracy, high-resolution gravity profiles from 2 years of the Geosat exact repeat mission. Journal of Geophysical Research. 95:1990;3049-3060.
45. Sandwell D.T., MacKenzie K.R. Geoid height versus topography for oceanic plateaus and swells. Journal of Geophysical Research. 94:(B6):1989;7403-7418.
46. Sandwell, D.T., Yale, M.M., 1994. ERS-1 geodetic mission reveals detailed tectonic structures. AGU Fall Meeting. San Francisco, Abstracts, pp. 155.
47. Sjöberg L.E. Techniques for geoid determination. vanicek P., Christou N.T. Geoid and its Geophysical Interpretations. 1993;33-56 CRC Press, USA.
48. Thompson R.N., Gibson S.A., Mitchell J.G., Dickin A.P., Leonardos O.H., Brod J.A., Greenwood J.C. Migrating Cretaceous-Eocene Magmatism in the Serra do Mar Alkaline Province, SE Brazil: melts from the deflected Trindade Mantle Plume? Journal of Petrology. 39:(1):1998;1.493-1.526.
49. Turcotte D.H., Schubert G. Geodynamics, Applications of Continuous Physics to Geological Problems. 1982;Wiley, NY.
50. Ulbrich H.H.G., Gomes C.B. Alkaline rocks from continental Brazil. Earth Sciences Reviews. 121:1981;333-348.
51. vanDecar J.C., James D.E., Assumpção M. Seismic evidence for a fossil mantle plume beneath South America and implications for plate driving forces. Nature. 378:1995;25-31.
52. Wessel P., Watts A.B. On the accuracy of marine gravity measurements. Journal of Geophysical Research. 93:1988;393-413.
53. White R., McKenzie D. Magmatism at rift zones: the generation of volcanic continental margins and flood basalts. Journal of Geophysical Research. 94:1989;7685-7729.