Cretaceous dykes discovered in the Falkland Islands: Implications for regional tectonics in the South Atlantic

Journal of the Geological Society

Volumn 165, Issue 1, 2008, Pages 1-4

  Stone, P ^a   Richards, P C ^a   Kimbell, G S ^a   Esser, R P ^b   Reeves, D ^c  

^a BRITISH GEOLOGICAL SURVEY   (United Kingdom)

^b NEW MEXICO INSTITUTE OF MINING AND TECHNOLOGY   (United States)

^c Falkland Gold and Minerals Ltd   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

CRETACEOUS; DIKE; TECTONIC STRUCTURE;

ATLANTIC ISLANDS; ATLANTIC OCEAN; ATLANTIC OCEAN (SOUTH); FALKLAND ISLANDS (MALVINAS);

EID: 38949098140     PISSN: 00167649     EISSN: None     Source Type: Journal    
DOI: 10.1144/0016-76492007-072     Document Type: Article

References (16)

1. ADIE, R.J. 1952. The position of the Falkland Islands in a reconstruction of Gondwanaland. Geological Magazine, 89, 401-410.
2. ALDISS, D.T. & EDWARDS, E.J. 1999. The Geology of the Falkland Islands. British Geological Survey Technical Report, WC /99/10.
3. BAKER, H.A. 1924. Final Report on Geological Investigations in the Falkland Islands, 1920-1922. Government Printer, Stanley.
4. BARKER, P.F. 1999. Evidence for a volcanic rifted margin and oceanic crustal structure for the Falkland Plateau Basin. Journal of the Geological Society, London, 156, 889-900.
5. GRADSTEIN, J.G., OGG, A.G. & SMITH, A.G. 2004. A Geologic Time Scale 2004. Cambridge University Press, Cambridge.
6. 39Ar age data. Geology, 33, 745-748.
7. MARSHALL, J.E.A. 1994. The Falkland Islands: a key element in Gondwana palaeogeography. Tectonics, 13, 499-514.
8. MITCHELL, C., TAYLOR, G.K., COX, K.G. & SHAW, J. 1986. Are the Falkland Islands a rotated microplate? Nature, 319, 131-134.
9. MITCHELL, C., ELLAM, R.M, & Cox, K.G. 1999. Mesozoic dolerite dykes of the Falkland Islands: petrology, petrogenesis and implications for geochemical provinciality in Gondwanaland low-Ti basaltic rocks. Journal of the Geological Society, London, 156, 901-916.
10. MULLER, R.D., ROEST, W.R., ROYER, J.-Y., GAHAGAN, L.M. & SCLATER, J.G. 1997. Digital isochrons of the world's ocean floor. Journal of Geophysical Research, 102, 3211-3214.
11. 39Ar ages for dykes from the Falkland Islands with implications for the break up of southern Gondwanaland. Journal of the Geological Society, London, 151, 79-81.
12. RABINOWITZ, P.D. & LABRECQUE, J. 1979. The Mesozoic South Atlantic Ocean and evolution of its continental margins. Journal of Geophysical Research, 84, 5973-6002.
13. RICHARDS, P.C. & HILLIER, B.V. 2000. Post-drilling analysis of the North Falkland Basin-Part 1: tectono-stratigraphic framework. Journal of Petroleum Geology, 23, 253-272.
14. RICHARDS, P.C., GATLIFF, R.W., QUINN, M.F., WILLIAMSON, J.P. & FANNIN, N.G.T. 1996. The geological evolution of the Falkland Islands continental shelf. In: STOREY, B.C., KING, E.C. & LIVERMORE, P. (eds) Weddell Sea Tectonics and Gondwana Breakup. Geological Society, London, Special Publications, 108, 105-128.
15. STOREY, B.C., CURTIS, M.L., FERRIS, J.K., HUNTER, M.A., & LIVERMORE, R.A. 1999. Reconstruction and break-out model for the Falkland Islands within Gondwana. Journal of African Earth Sciences, 29, 153-163.
16. TAYLOR, G.K. & SHAW, J. 1989. The Falkland Islands: New palaeomagnetic data and their origin as a displaced terrane from southern Africa. In: HILLHOUSE, J.W. (ed.) Deep Structure and Past Kinematics of Accreted Terranes Geophysical Monograph, American Geophysical Union, 50, 59-72.