Shrimp U-Pb zircon age evidence for Paleoproterozoic sedimentation and 2.05 Ga syntectonic plutonism in the Nyong Group, South-Western Cameroon: consequences for the Eburnean-Transamazonian belt of NE Brazil and Central Africa

Journal of African Earth Sciences

Volumn 44, Issue 4-5 SPEC. ISS., 2006, Pages 413-427

  Lerouge, Cathérine ^a   Cocherie, Alain ^a   Toteu, Sadrack F ^b   Penaye, Joseph ^b   Milési, Jean Pierre ^a   Tchameni, Robert ^c   Nsifa, Emmanuel N ^d   Mark Fanning, C ^e   Deloule, Etienne ^f  

^a BRGM   (France)

^b Centre for Geological and Mining Research   (Cameroon)

^c UNIVERSITÉ DE NGAOUNDÉRÉ   (Cameroon)

^d UNIVERSITY OF YAOUNDÉ I   (Cameroon)

^e AUSTRALIAN NATIONAL UNIVERSITY   (Australia)

^f CRPG CNRS   (France)

Author keywords

Cameroon; Central Africa; Collisional belt; Nyong Group; Paleoproterozoic; SHRIMP dating

Indexed keywords

METAMORPHISM; METASEDIMENTARY ROCK; NEODYMIUM ISOTOPE; PAN AFRICAN OROGENY; PLUTONIC ROCK; PLUTONISM; SEDIMENTATION; SYNTECTONIC SEDIMENT; URANIUM-LEAD DATING;

AFRICA; BRAZIL; CAMEROON; CENTRAL AFRICA; SOUTH AMERICA; SUB-SAHARAN AFRICA; WEST AFRICA;

DECAPODA (CRUSTACEA);

EID: 33645867374     PISSN: 08995362     EISSN: 1464343X     Source Type: Journal    
DOI: 10.1016/j.jafrearsci.2005.11.010     Document Type: Article

References (41)

1. Almeida F.F.M., Brito Neves B.B.d., and Carneiro C.D.R. The origin and evolution of the South American Platform. Earth Science Reviews 500 (2000) 77-111
2. Barbosa J.S.F., and Sabaté P. Geological features and the Paleoproterozoic collision of four Archean crustal segments of the São Francisco craton, Bahia, Brazil, A synthesis. Annals of the Brazilian Academy of Sciences 74 (2002) 343-359
3. Barbosa J.S.F., and Sabaté P. Archean and Paleoproterozoic crust of the São Francisco Craton, Bahia, Brazil: geodynamic features. Precambrian Research 133 (2004) 1-27
4. Caen-Vachette M., Vialette Y., Bassot J.P., and Vidal P. Apport de la géochronologie isotopique à la connaissance de la géologie gabonaise. Chronique de Recherche Minière 49 (1988) 35-54
5. Campos J.C.S., Carneiro M.A., and Basei M.A.S. U-Pb evidence for late Neoarchean crustal reworking in the southern São Francisco craton (Minas Gerais, Brazil). Annals of the Brazilian Academy of Sciences 75 (2003) 497-511
6. Claoué-Long, J.C., Compston, W., Roberts, J., Fanning, C.M., 1995. Two Carboniferous ages: a comparison of SHRIMP zircon dating with conventional zircon ages and 40Ar/39Ar analysis. Geochronology Time Scales and Global Stratigraphic Correlation, SEPM Special Publication 54, pp. 1-21.
7. Compston W., Williams I.S., Kirschvink J.L., Zhang Z., and Ma G. Zircon U-Pb ages for early Cambrian time scale. Journal of Geological Society of London 149 (1992) 171-184
8. Corsini, M., Maurin, J.C., 1993. Le Proterozoi{dotless}̈que inférieur en Afrique centrale (Congo, Gabon, Angola, Zai{dotless}̈re). Synthèse géochronologique et structurale. Occasional publication of CIFEG 23, 73-75.
9. D'Agrella-Filho M.S., Feybesse J.L., Prian J.P., Dupuis D., and N'Dong J.E. Paleomagnetism of Precambrian rocks from Gabon, Congo craton, Africa. Journal of African Earth Sciences 22 (1996) 65-80
10. Deloule E., Chaussidon M., Glass B.P., and Koeberl C. U-Pb isotopic study of relict zircon inclusions recovered from Muong Nong-type tektites. Geochimica et Cosmochimica Acta 65 (2001) 1833-1838
11. Ferré E., Dereris J., Bouchez J.L., Lar A.U., and Peucat J.J. The Pan-African reactivation of Eburnean and Archean provinces in Nigeria: structural and isotopic data. Journal of Geological Society of London 153 (1996) 719-728
12. Feybesse, J.L., Johan, V., Maurizot, P., Abessolo, A., 1986. Mise en évidence d'une nappe syn-métamorphe d'âge éburnéen dans la partie Nord-Ouest du craton zai{dotless}̈rois, Sud-Ouest Cameroun. In: Les formations birrimiennes en Afrique de l'Ouest, journée scientifique, compte rendu de conférences. Occasional Publications-CIFEG, 1986/10, 105-111.
13. Feybesse J.L., Milesi J.P., Ledru P., Billa M., and Lescuyer J.L. Palaeoproterozoic tectonic styles and markers of the Archean/Proterozoic transition in the Congo, São Francisco and Guiana-West African cratons. International Geological Congress, Abstracts-Congres Geologique Internationale, Resumes 30 (1996) 278
14. Feybesse J.L., Johan V., Triboulet C., Guerrot C., Mayaga-Mikolo F., Bouchot V., and Eko N'dong J. The West Central African belt: a model of 2.5-2.0 Ga accretion and two-phase orogenic evolution. Precambrian Research 87 (1998) 161-216
15. Kornprobst J., Cantagrel J.M., Fabries J., Lasserre M., Rollet M., and Soba D. Existence au Cameroun, d'un magmatisme alcalin panafricain ou plus ancien; la syénite néphélinique à mboziite de Nkonglong; comparaison avec les roches alcalines connues dans la même region. Existence in Cameroon of a Pan-African or older alkaline magmatism, the nepheline syenite with mboziite of Nkonglong; comparison with the known alkaline rocks of the same region. Bulletin de la Société Géologique de France 18 (1976) 1295-1305
16. Korsin M., de Mello R.C., de Zouza J.D., de Oliveira A.P., Carvalho M.J., and Leite C.M. Geology of the northern segment of the Itabuna-Salvador-Curaçá orogen and field trip guide. Revista Brasileira de Geociências 33 (2003) 15-26
17. Lasserre M., and Soba D. Age libérien des granodiorites et des gneiss à pyroxènes du Cameroun méridional. Bulletin du BRGM 2 (1976) 17-32
18. Ledru P., Eko N'dong J.E., Johan V., Prian J.P., Coste B., and Haccard D. Structural and metamorphic evolution of the Gabon orogenic belt: collision tectonics in the lower-Proterozoic. Precambrian Research 44 (1989) 227-241
19. Ledru P., Johan V., Milesi J.P., and Tegyey M. Markers of the last stages of the Paleoproterozoic collision: evidence for a 2.0 Ga continent evolving circum-South Atlantic provinces. Precambrian Research 69 (1994) 169-191
20. Ludwig K.R., 2003. Users manual for ISOPLOT/EX, version 3. A geochronological toolkit for Microsoft Excel. Berkeley Geochronology Center, Special Publication 4, 60 p.
21. Maurizot, P., Abessolo, A., Feybesse, J.L., Johan, V., Lecomte, P., 1986. Etude et prospection minière du Sud-Ouest Cameroun. Synthèse des travaux de 1978 à 1985. BRGM Report 85 CMR 066.
22. Maurizot, P., 2000. Geological map of south-west Cameroon. Edition BRGM, Orleans.
23. ème Congrès des Société Savantes, Montpellier, vol. 4, pp. 41-52.
24. Nsifa, E.N., Riou, R., 1990. Post Archean migmatization in the charnockitic series of the Ntem complex, Congo craton, southern Cameroon. 15th Colloquium on African Geology, Occasional Publication, CIFEG 22, 33-36.
25. Oliveira E.P., Windley B.F., McNaughton N.J., Pimentel M., and Fletcher I.R. Contrasting copper and chromium metallogenic evolution of terranes in the Palaeoproterozoic Itabuna-Salvador-Curaca orogen, Sao Francisco craton, Brazil: new zircon (SHRIMP) and Sm-Nd (model) ages and their significance for orogen-parallel escape tectonics. Precambrian Research 128 (2004) 143-165
26. Paces J.B., and Miller J.D. Precise U-Pb ages of Duluth Complex and related mafic intrusions, Northern Minnesota: geochronological insight to physical, petrogenic, and tectonomagmatic processes associated with the 1.1 Ga midcontinent rift system. Journal of Geophysical Research 98 (1993) 13997-14013
27. Pedrosa-Soares A.C., Noce C.M., Wiedemann Cr., and Pinto Cl.P. The Araçuai-West-Congo Orogen in Brazil: an overview of a confined orogen formed during Gondwana assembly. Precambrian Research 110 (2001) 307-323
28. Penaye J., Toteu S.F., Tchameni R., Van Schmus W.R., Tchakounte J., Ganwa A., Miyem D., and Nsifa E.N. The 2.1 Ga West Central African Belt in Cameroon: extension and evolution. Journal of African Earth Sciences 39 (2004) 159-164
29. Prian, J.P., Coste, B., Eko N'dong, J., Johan, V., Ledru, P., 1990. Synthèse géologique et géochimique, potentialities minières du degré carré Boué (Gabon central) avec carte géologique au 1/200,000. Republique gabonaise. Ministère des Mines et des Hydrocarbures, Libreville, BRGM, Orléans, 103 p.
30. Shang C.K., Satir M., Siebel W., Nsifa N.E., Taubald H., Liegeois J.P., and Tchoua F.M. TTG magmatism in the Congo craton; a view from major and trace elements geochemistry, Rb-Sr and Sm-Nd systematics: case of the Sangmelima region, Ntem Complex, southern Cameroon. Journal of African Earth Sciences 40 (2004) 61-70
31. Stacey J.S., and Kramers J.D. Approximation of terrestrial lead isotope evolution by a two-stage model. Earth and Planetary and Sciences and Letters 26 (1975) 207-221
32. Tack L., Wingate M.T.D., Liégeois J.-P., Fernandez-Alonso M., and Deblond A. Early Neoproterozoic magmatism (1000-910 Ma) of the Zadinian and Mayumbian groups (Bas-Congo): onset of Rodinia rifting at the western edge of the Congo craton. Precambrian Research 110 (2001) 227-306
33. Tchameni R., Mezger K., Nsifa N.E., and Pouclet A. Neoarchean crustal evolution in the Congo craton: evidence from K-rich granitoids of the Ntem complex, southern Cameroon. Journal of African Earth Sciences 30 (2000) 133-147
34. Tchameni R., Mezger K., Nsifa N.E., and Pouclet A. Crustal origin of early Proterozoic syenites in the Congo craton (Ntem Complex), southern Cameroon. Lithos 57 (2001) 23-42
35. Teixeira W., and Figueiredo M.C.H. An outline of early-Proterozoic crustal evolution in the São Francisco craton, Brazil: a review. Precambrian Research 53 (1991) 1-22
36. Tera F., and Wasserburg G.J. U-Th-Pb systematics in three Apollo 14 basalts and the problem of initial Pb in lunar rocks. Earth and Planetary and Sciences Letters 14 (1972) 281-304
37. Thomas, R.J., Makanga, J.F., Chevallier, L., 2002. Carte géologique de la République gabonaise au 1/1000,000 avec notice explicative. Ministère des Mines, du pétrole et des ressources hydrauliques, Libreville, 195 p.
38. Toteu S.F., Van Schmus W.R., Penaye J., and Nyobé J.B. U-Pb and Sm-Nd evidence for Eburnean and Pan-African high-grade metamorphism in cratonic rocks of southern Cameroon. Precambrian Research 67 (1994) 321-347
39. Van Schmus W.R., de Brito Neves B.B., Hackspacher P., and Babinski M. U-Pb and Sm/Nd geochronologic studies of the eastern Borborema Province, Northeastern Brazil: initial conclusions. Journal of South American Earth Sciences 8 (1995) 267-288
40. Wiedenbeck M. An example of reverse discordance during ion microprobe zircon dating: An artifact of enhanced ion yields from a radiogenic labile Pb. Chemical Geology 125 (1995) 197-218
41. Willliams I.S. U-Th-Pb geochronology by ion microprobe. Reviews of Economic Geology 7 (1998) 1-35