Neoproterozoic tectono-thermal evolution of the Gariep Belt and its basement, Namibia and South Africa

Precambrian Research

Volumn 90, Issue 1-2, 1998, Pages 1-28

  Frimmel, H E ^a   Frank, W ^b  

^a UNIVERSITY OF CAPE TOWN   (South Africa)

^b UNIVERSITY OF VIENNA   (Austria)

Author keywords

Ar Ar ages; Gariep Belt; Gondwana; Pan African; Tectono thermal evolution

Indexed keywords

GEOCHRONOLOGY; PROTEROZOIC; TECTONOTHERMAL EVOLUTION;

NAMIBIA; SOUTH AFRICA;

EID: 0031814667     PISSN: 03019268     EISSN: None     Source Type: Journal    
DOI: 10.1016/s0301-9268(98)00029-1     Document Type: Article

References (42)

1. Allsopp, H.L., Köstlin, E.O., Welke, H.J., Burger, A.J., Kröner, A., Blignault, H.J., 1979. Rb-Sr and U-Pb geochronology of Late Precambrian-Early Paleozoic igneous activity in the Richtersveld (South Africa) and southern South West Africa. Trans. Geol. Soc. S. Afr. 82, 185-204.
2. Babinsky, M., Chemale, F., , Jr Hartmann, L.A., van Schumus, W.R., da Silva, L.C., 1996. Juvenile accretion at 750-700 Ma in Southern Brazil. Geology 24, 439-442.
3. 39Ar technique. Chem. Geol. 66, 17-19.
4. Chemale, F., , Jr Hartmann, L.A., da Silva, L.C., 1995. Stratigraphy and Tectonism of Precambrian to early Paleozoic units in Southern Brazil and Uruguay. Acta Geológica Leopoldênsia 44, 1-111.
5. 39Ar analysis of biotite and hornblende across the Grenvillian metamorphic gradient in southwestern Labrador . Geochim. Cosmochim. Acta 47, 413-428.
6. Fernandes, J.A.D., Tommasi, A., Porcher, C.C., 1992. Deformation patterns in the southern Brazilian branch of the Dom Feliciano Belt, a reappraisal. J. S. Am. Earth Sci. 5, 77-96.
7. Fernandes, L.A.D., Menegat, R., Costa, A.F.U., Koester, E., Porcher, C.C., Tommasi, A., Kraemer, G., Ramgrab, G.E., Camozzato, E., 1995. Evoluçâo tectônica do cinturâo Dom Feliciano no escudo Sul-Rio-Grandense: Parte I - Uma contribuiçâo a partir do registro geológico. Revista Brasileira de Geosciências 25, 351-374.
8. Frimmel, H.E., 1995. Metamorphic evolution of the Gariep Belt. S. Afr. J. Geol. 98, 176-190.
9. Frimmel, H.E., Hartnady, C.J.H., 1992. Blue amphiboles and their significance for the metamorphic history of the Pan-African Gariep belt, Namibia. J. Metam. Geol. 10, 651-669.
10. Frimmel, H.E., Hoffmann, D., Watkins, R.T., 1995. An Fe analogue of kinoshitalite from the Broken Hill massive sulfide deposit in the Namaqualand Metamorphic Complex, South Africa. Am. Mineral. 80, 833-840.
11. Frimmel, H.E., Hartnady, C.J.H., Koller, F., 1996a. Geochemistry and tectonic setting of magmatic units in the Pan-African Gariep Belt, Namibia. Chem. Geol. 130, 101-121.
12. Frimmel, H.E., Klötzli, U., Siegfried, P., 1996b. New Pb-Pb single zircon age constraints on the timing of Neoproterozoic glaciation and continental break-up in Namibia. J. Geol. 104, 459-469.
13. Germs, G.J.B., Gresse, P.G., 1991. The foreland basin of the Damara and Gariep orogens in Namaqualand and southern Namibia: stratigraphic correlations and basin dynamics. S. Afr. J. Geol. 94, 159-169.
14. Gresse, P.G., 1994. Strain partitioning in the southern Gariep Arc as reflected by sheath folds and stretching lineations. S. Afr. J. Geol. 97, 52-61.
15. Gresse, P.G., Germs, G.J.B., 1993. The Nama foreland basin: sedimentation, major unconformity bounded sequences and multisided active margin advance. Precambrian Res. 63, 247-272.
16. Gresse, P.G., Scheepers, R., 1993. Neoproterozoic to Cambrian (Namibian) rocks of South Africa: a geochronological and geotectonic review. J. Afr. Earth Sci. 16, 375-393.
17. 39Ar dating of the Cambro-Ordovician Vanrhynsdorp tectonite in southern Namaqualand. S. Afr. J. Geol. 91, 257-263.
18. Gresse, P.G., Chemale, F., da Silva, L.C., Walraven, F., Hartmann, L.A., 1996. Late- to post-orogenic basins of the Pan-African-Brasiliano collision orogen in southern Africa and southern Brazil. Basin Res. 8, 157-171.
19. Grotzinger, J.P., Bowring, S.A., Saylor, B.Z., Kaufman, A.J., 1995. Biostratigraphic and geochronologic constraints on early animal evolution. Science 270, 598-604.
20. Grunow, A., Hanson, R., Wilson, T., 1996. Were aspects of Pan-African deformation linked to Iapetus opening? Geology 24, 1063-1066.
21. Hames, W.E., Bowring, S.A., 1994. An empirical evaluation of the argon diffusion geometry in muscovite. Earth Planet. Sci. Lett. 124, 161-167.
22. 39Ar age spectra and closure temperature. Geochim. Cosmochim. Acta 50, 247-253.
23. Hartnady, C., Joubert, P., Stowe, C., 1985. Proterozoic crustal evolution in southwestern Africa. Episodes 8, 236-244.
24. Hoffmann, K.-H., 1994. New constraints on the timing of continental breakup and collision in the Damara belt. In: Abstract Proterozoic Crustal and Metallogenic Evolution, Windhoek, 29 August-1 September 1994. Geological Society of Namibia, Namibia, p. 30.
25. Horstmann, U.E., Ahrendt, H., Clauer, N., Porada, H., 1992. Damaran metamorphism and its record in the Nama Group. In: Geocongress '92, Bloemfontein, South Africa, 29 June-2 July 1992. Geological Society of South Africa, Marshalltown, pp. 197-199.
26. 39Ar Method. Oxford University Press, Oxford.
27. Meert, J.G., van der Voo, R., 1994. The Neoproterozoic (1000-540 Ma) glacial intervals: no more snowball earth? Earth Planet. Sci. Lett. 123, 1-13.
28. Miller, R.M., 1983. The Pan-African Damara Orogen of South West Africa/Namibia. In: Miller, R.M. (Eds.), Evolution of the Damara Orogen of South West Africa/Namibia. Geological Society of South Africa, Marshalltown, pp. 431-515.
29. 39Ar results from the Gannakouriep dyke swarm. Trans. Geol. Soc. S. Afr. 89, 171-183.
30. Porada, H., 1989. Pan-African rifting and orogenesis in southern to equatorial Africa and eastern Brazil. Precambrian Res. 44, 103-136.
31. Prave, A.R., 1996. Tale of three cratons: tectonostratigraphic anatomy of the Damara orogen in northwestern Namibia and the assembly of Gondwana. Geology 24, 1115-1118.
32. Reid, D.L., Ransome, I.G.D., Onstott, T.C., Adams, C.J., 1991. Time of emplacement and metamorphism of Late Precambrian mafic dykes associated with the Pan-African Gariep orogeny, Southern Africa: implications for the age of the Nama Group. J. Afr. Earth Sci. 13, 531-541.
33. Renne, P.R., Deino, A.L., Walter, R.C., Turrin, B.D., Swisher, C.C., Becker, T.A., Curtis, G.H., Sharp, W.D., Jaouni, A.-R., 1994. Intercalibration of astronomical and radioisotopic time. Geology 22, 783-786.
34. 39Ar dating standard, MMhb-1. Chem. Geol. 66, 27-34.
35. da Silva, L.C., McNaughton, N.J., Hartmann, L.A., Fletcher, I.R., Gresse, P., Scheepers, R., 1997. U-Pb (SHRIMP) isotopic constraints for the evolution of southern Brazilian granitic province, and some correlated South African, Pan-African plutons. In: Ferreira, V.P., Sial, A.N. (Eds.), Extended Abstracts, Second International Symposium on Granites and Associated Mineralization, Superintendencia de geologia e recursos minerais, pp. 276-277.
36. 39Ar study of minerals across the Grenville Front: investigation of reproducible excess Ar patterns. Can. J. Earth Sci. 31, 808-817.
37. Stanistreet, I.G., Kukla, P.A., Henry, G., 1991. Sedimentary basinal responses to a Late Precambrian Wilson Cycle: the Damara Orogen and Nama Foreland, Namibia. J. Afr. Earth Sci. 13, 141-156.
38. Von Blanckenburg, F., Villa, I.M., Baur, H., Morteani, G., Steiger, R.H., 1989. Time calibration of a PT-path from the Western Tauern Window, Eastern Alps: the problem of closure temperatures. Contrib. Mineral. Petrol. 101, 1-11.
39. Von Veh, M.W., 1993. The stratigraphy and structural evolution of the Late Proterozoic Gariep Belt in the Sendelingsdrif-Annisfontein area, northwestern Cape Province. Bull. Precambrian Res. Unit Univ. Cape Town 38, 174
40. Waters, D.J., 1989. Metamorphic evidence for the heating and cooling of Namaqualand granulites. In: Daly, J.S., Cliff, R.A., Yardley, B.W.D. (Eds.), Evolution of Metamorphic Belts. Geological Society, London, pp. 357-363.
41. Waters, D.J., Joubert, P., Moore, J.M., 1983. A suggested re-interpretation of Namaqua basement and cover rocks south and west of Bitterfontein. Trans. Geol. Soc. S. Afr. 86, 293-299.
42. Waters, D.J., Robb, L.J., Armstrong, R.A., 1996. A new time framework for Kibaran high-grade metamorphism in southern Africa: what drives granulite formation? Abstract, Kingston, September.