Mineralium Deposita

, Volume 31, Issue 4, pp 343–344 | Cite as

Comments on the paper by G.M. Gonzaga et al.

The origin of diamonds in western Minas Gerais, Brazil
  • O. H. Leonardos
  • R. N. Thompson
  • R. Fleicher
  • S. A. Gibson
  • D. P. Svisero
  • R. K. Weska
Discussions
Received:
Accepted:

Keywords

Mineral Resource 
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References

  1. Campos, J.E.G. (1992) Unpublished M.Sc. Thesis, University of BrasiliaGoogle Scholar
  2. Carvalho, J.B., Leonardos, O.H. (1995) Geothermobarometric and metassomatism studies on mantle xenoliths of kimberlites and associated rocks from the Alto Paranaiba, SE Brazil. Extended Abstracts, 6th Int. Kimber. Conf, Novosibirsk, 101–103Google Scholar
  3. Fleischer, R. (1993) Um modelorift para os depósitos sedimentares de diamante do Brasil. Proceedings I Simp. Geologia do Diamante, Cuiabá., 165–1197Google Scholar
  4. Gibson, S.A., Thompson, R.N., Leonardos, O.H., Dickin, A.P. & Mitchell, J.G. (1995) The Late Cretaceous impact of the Trindade plume: evidence from large volume, mafic, potassic magmatism in SE Brazil. J. Petrol. 36:189–229Google Scholar
  5. James, D.E. (1994) Subduction zone to craton: deep lithospheric structure beneath South America along 20°S latitude. EOS, Trans. Am. Geophys. Union, 75:462Google Scholar
  6. Leonardos, O.H., Carvalho, J.B., Tallarico, F.H.B., Gibson, S.A., Thompson, R.N., Meyer, H.O.A., Dickin, A.P. (1993) O xenólito de granada lherzolito de Tres Ranchos 4: uma rochá matriz do diamante na provincia magmática cretácica do Alto Paranaiba, Goiás. Proc. 1 Simp. Bras. Geol. Diamante, Cuiabá, 129–140Google Scholar
  7. Leonardos, O.H., Gibson, S.A. & Thompson, R.N. (1995) First evidence of thick sub-cratonic lithospheric mantle forming a Cretaceous diamond source beneath SE Brazil. The National Academy of Sciences of India, W.S. Fyfe Special volume, 14 p.Google Scholar
  8. Meyer, H.O.A., Garwood, B.L., Svisero, D.P. Smith, C.B. (1994) Alkaline intrusions of western Minas Gerais. In H.O.A. Meyer, O.H. Leonardos (eds.) Kimberlites, related rocks and mantle xenoliths. Proceedings 5th Intern. Kimb. Conf., Araxá. CPRM Spec. publ. 1A, 140–155.Google Scholar
  9. Svisero, D.P., Meyer, H.O.A. (1981) Ilmenitas kimberliticas da Mina de diamantes de Romaria, MG. Rev Bras Geosci 11(4):217–221Google Scholar
  10. Svisero, D.P., Meyer, H.O.A., Haralyi, N.L.E., Hasui, Y. (1984) A note on the geology of some Brazilian kimberlites. J. Geol 92:331–338Google Scholar
  11. VanDecar, J, James, D.E. (1994) Teleseismic travel-time inversion for P- and S- wave velocity structure beneath southeastern Brazil. EOS Trans. Ann. Geophys. Union 75:423Google Scholar

Copyright information

© Springer-Verlag 1996

Authors and Affiliations

  • O. H. Leonardos
    • 1
  • R. N. Thompson
    • 3
  • R. Fleicher
    • 2
  • S. A. Gibson
    • 6
  • D. P. Svisero
    • 4
  • R. K. Weska
    • 5
  1. 1.Departamento de Geoqumica e Recursos MineraisUniversidade de BrasiliaBrasiliaBrazil
  2. 2.Andrade Gutierrez MineraçãoBrazil
  3. 3.Department of Geological SciencesUniversity of DurhamSouth RoadUK
  4. 4.Instituto de GeociénciasUniversidade de Sao PauloSao PauloBrazil
  5. 5.Departamento de GeociénciasUniversidade Federal de Mato GrossoCuiabáBrazil
  6. 6.Department of Earth SciencesUniversity of CambridgeCambridgeUK

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