Basement control on dyke distribution in Large Igneous Provinces: Case study of the Karoo triple junction

Earth and Planetary Science Letters

Volumn 241, Issue 1-2, 2006, Pages 307-322

  Jourdan, F ^a,b,f   Feraud G ^a   Bertrand, H ^b   Watkeys, M K ^c   Kampunzu, A B ^d   Le Gall, B ^e  

^a UNIVERSITÉ DE NICE SOPHIA ANTIPOLIS   (France)

^b UNIVERSITÉ DE LYON   (France)

^c UNIVERSITY OF KWAZULU NATAL   (South Africa)

^d UNIVERSITY OF BOTSWANA   (Botswana)

^e INSTITUT UNIVERSITAIRE EUROPÉEN DE LA MER   (France)

^f BERKELEY GEOCHRONOLOGY CENTER   (United States)

Author keywords

40Ar 39Ar dating; Basement control; Dyke swarm; Karoo; Mantle plume; Structural inheritance; Triple junction

Indexed keywords

BASEMENT CONTROL; DYKE SWARM; MANTLE PLUME; STRUCTURAL INHERITANCE; TRIPLE JUNCTION;

BASALT; FLOOD CONTROL; GEOCHRONOLOGY; PETROGRAPHY; RIVERS; STRUCTURAL GEOLOGY;

LEVEES;

DIKE; EMPLACEMENT; LARGE IGNEOUS PROVINCE; TRIPLE JUNCTION;

AFRICA; KAROO; SOUTH AFRICA; SOUTHERN AFRICA; SUB-SAHARAN AFRICA;

FORMICIDAE;

EID: 29544449265     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.epsl.2005.10.003     Document Type: Article

References (47)

1. V.E. Courtillot P.R. Renne On the ages of flood basalt events C. R. Geosci. 335 2003 113-140
2. R.E. Ernst J.W. Head E. Parfitt E. Grosfils L. Wilson Giant radiating dyke swarms on Earth and Venus Earth-Sci. Rev. 39 1995 1-58
3. R.E. Ernst K.L. Buchan Giant radiating dyke swarms: Their use in identifying pre-Mesozoic large igneous provinces and mantle plumes in: J. Mahoney M. Coffin (Eds.) Large Igneous Provinces: Continental, Oceanic and Planetary Volcanism AGU Geophysical Monograph vol. 100 1997 297-333
4. F. Fahrig K.W. Christie E.H. Chown D. Janes N. Machado The tectonic significance of some basic dyke swarms in the Canadian Superior Province with special reference to the geochemistry and paleomagnetism of the Mistassini swarm, Quebec, Canada Can. J. Earth Sci. 1.23 1986 238-253
5. D. Mège T. Korme Dyke swarm emplacement in the Ethiopian Large Igneous Province: Not only a matter of stress J. Volcanol. Geotherm. Res. 132 2004 283-310
6. R.B. Trumbull T. Vietor K. Hahne R. Wackerle P. Ledru Aeromagnetic mapping and reconnaissance geochemistry of the Early Cretaceous Henties Bay Outjo dike swarm, Etendeka Igneous Province, Namibia J. Afr. Earth Sci. 40 2004 17-29
7. 39Ar Jurassic and Proterozoic ages and geochemistry of the Okavango dyke swarm (Botswana) Earth Planet. Sci. Lett. 222 2004 989-1006
8. V. Courtillot C. Jaupart I. Manighetti P. Tapponnier J. Besse On causal links between flood basalts and continental breakup Earth Planet. Sci. Lett. 166 1999 177-195
9. A. Tommasi A. Vauchez Continental rifting parallel to ancient collisional belts: An effect of the mechanical anisotropy of the lithospheric mantle Earth Planet. Sci. Lett. 185 2001 199-210
10. H.V. Eales J.S. Marsh K.G. Cox The Karoo igneous province: An introduction In: A.J. Erlank (Ed.) Petrogenesis of the Volcanic Rocks of the Karoo Province Geological Society Special Publication of South Africa vol. 13 1984 1-26
11. 39Ar geochronology and structural data from the giant Okavango and related mafic dyke swarms, Karoo igneous province, Botswana Earth Planet. Sci. Lett. 202 2002 595-606
12. R.E. Ernst K.L. Buchan Recognizing mantle plumes in the geological record Annu. Rev. Earth Planet. Sci. 31 2003 469-523
13. J.S. Marsh Discussion "The geophysical mapping of Mesozoic dyke swarms in southern Africa and their origin in the disruption of Gondwana" J. Afr. Earth Sci. 35 2002 525-527
14. S. Chavez Gomez, A catalogue of dykes from aeromagnetic surveys in eastern and southern Africa. ITC publication number 80 (2001).
15. B. Le Gall, G. Tshoso, J. Dyment, A.B. Kampunzu, F. Jourdan, G. Féraud, H. Bertrand, C. Aubourg, W. Vétel, The Okavango giant mafic dyke swarm (NE Botswana): Its structural significance within the Karoo Large Igneous Province, J. Struct. Geol. (in press).
16. 39Ar age data Geology 33 2005 745-748
17. R. Uken M.K. Watkeys An interpretation of mafic dyke swarms and their relationship with major mafic magmatic events on the Kaapvaal Craton and Limpopo Belt S. Afr. J. Geol. 100 1997 341-348
18. M.K. Watkeys Development of the Lebombo rifted volcanic margin of southeast Africa in: M.A. Menzies S.L. Klemperer C.J. Ebinger J. Bake (Eds.) Volcanic Rifted Margin Geological Society of America Special Paper vol. 362 2002 29-48
19. 39Ar ages and cosmic ray exposure ages of Appolo 14 samples Earth Planet. Sci. Lett. 12 1971 15-19
20. 39Ar age of plagioclase from Acapulco meteorite and the problem of systematic errors in geochronology Earth Planet. Sci. Lett. 175 2000 13-26
21. J.F. Wilson A craton and its cracks; some of the behaviour of the Zimbabwe Block from the late Archaean to the Mesozoic in response to horizontal movements, and the significance of some of its mafic dyke fracture patterns J. Afr. Earth Sci. 10 1990 483-501
22. M.K. Watkeys, Provision geological map of The Limpopo Belt and environs, scale 1/1000000, Geological Society of South Africa, Special publication number 8 (1981).
23. R.T. Ranganai A.B. Kampunzu E.A. Atekwana B.K. Paya J.G. King D.I. Koosimile E.H. Stettler Gravity evidence for a larger Limpopo Belt in Southern Africa and geodynamic implications Geophys. J. Int. 149 2002 9-14
24. R.S. White D. McKenzie Mantle plumes and flood basalts J. Geophys. Res. 100 1995 17,543-17,585
25. R.J. Sweeney A.R. Duncan A.J. Erlank Geochemistry and petrogenesis of Central Lebombo basalts from the Karoo Igneous Province J. Pet. 35 1994 95-125
26. I.H. Campbell R.W. Griffiths Implications of mantle plume structure for the evolution of flood basalts Earth Planet. Sci. Lett. 99 1990 73-79
27. R.I. Hill Starting plume and continental break-up Earth Planet. Sci. Lett. 104 1991 398-416
28. K.G. Cox R. Macdonald G. Hornung Geochemical and petrographical provinces in the Karoo basalts of southern Africa Am. Min. 52 1967 1451-1474
29. K. Burke J.F. Dewey Plume generated triple junctions. Key indicators in applying plate tectonics to old rocks J. Geol. 81 1973 403-433
30. C. Reeves The geophysical mapping of Mesozoic dyke swarms in southern Africa and their origin in the disruption of Gondwana J. Afr. Earth Sci. 30 2000 499-513
31. H. Bertrand The Mesozoic tholeiitic province of Northwest Africa: A volcano-tectonic record of the early opening of Central Atlantic in A.B. Kampunzu R.T. Lubala (Eds.) Magmatism in Extensional Structural Settings 1991 Springer Verlag 147-188
32. 39Ar dating and geochemistry of tholeiitic magmatism related to the early opening of the Central Atlantic Rift Earth Planet. Sci. Lett. 104 1991 455-472
33. A. Marzoli P. Renne E. Piccirillo M. Ernesto G. Bellieni A. De Min Extensive 200-million-year-old continental flood basalts of the Central Atlantic Magmatic Province Science 284 1999 616-618
34. J.G. McHone Non-plume magmatism and rifting during the opening of the Central North Atlantic Ocean Tectonophysics 316 2000 187-296
35. P.R. May Patterns of Triassic diabase dikes around the north Atlantic in context of predrift position of the continents Geol. Soc. Amer. Bul. 82 1971 1285-1292
36. D.W. Peate The Parana-Etendeka Province in: J.J. Mahoney M.F. Coffin (Eds.) Large Igneous Provinces; Continental, Oceanic, and Planetary Flood Volcanism AGU Geophysical Monograph vol. 100 1997 217-245
37. P.R. Renne K. Deckart M. Ernesto G. Féraud E. Piccirillo Age of the Ponta Grossa dike swarm (Brazil), and implications to Parana flood volcanism Earth Planet. Sci. Lett. 144 1996 199-211
38. K. Deckart G. Féraud L.S. Marques H. Bertrand New time constraints on dyke swarms related to the Parana-Etendeka magmatic province, and subsequent South Atlantic opening, SE Brazil J. Volcanol. Geotherm. Res. 80 1998 67-83
39. H.K. Chang R.O. Kowsmann A.M.F. Figueiredo A.A. Bender Tectonics and stratigraphy of the East Brazil Rift System; an overview Tectonophysics 213 1992 97-138
40. C.J. Archanjo R.I. Trindade J.W.P. Macedo M.G. Araujo Magnetic fabric of a basaltic dyke swarm associated with Mesozoic rifting in northeastern Brazil J. South Am. Earth Sci. 13 2000 179-189
41. A. Marzoli P.R. Renne E.M. Piccirillo Ar/Ar geochronology of Mesozoic continental basaltic magmatism and the opening of the central, equatorial and southern Atlantic ocean Penrose Conference 2000: Volcanic Rifted Margins. Geology Department, Royal Holloway, University of London 2000 54
42. 39Ar analysis Tectonophysics 285 1998 103-117
43. 39Ar dating of alkaline and tholeiitic magmatism of Saudi Arabia related to the early Red Sea rifting Earth Planet. Sci. Lett. 104 1991 473-487
44. 39Ar dating of mineral separates and whole rocks from the Western Ghats lava pile: Further constraints on duration and age of the Deccan traps Earth Planet. Sci. Lett. 180 2000 13-27
45. G. Zhao M. Sun S.A. Wilde S. Li A Paleo-Mesoproterozoic supercontinent: assembly, growth and breakup Earth-Sci. Rev. 67 2004 91-123
46. R.S. Schmitt R.A. Trouw J.W.R. Schmus M.M. Pimentel Late amalgamation in the central part of West Gondwana: New geochronological data and the characterization of a Cambrian collisional orogeny in the Ribeira Belt (SE Brazil) Precambrian Res. 133 2004 29-61
47. R.H. Steiger E. Jager Subcommission on geochronology: Convention of the use of decay constants in geo- and cosmochronology Earth Planet. Sci. Lett. 36 1977 359-362