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Apatite fission track data from southeast Ireland: implications for post-Variscan burial history

Published online by Cambridge University Press:  01 May 2009

M. L. Keeley ,
C. L. E. Lewis ,
G. D. Sevastopulo ,
G. Clayton  and
R. Blackmore
M. L. Keeley
Affiliation:
Intera Information Technologies, Highlands Farm, Greys Road, Henley-on-Thames, Oxon RG9 4PS, U.K.
C. L. E. Lewis
Affiliation:
Geotrack International, 30 Upper High St, Thame, OX9 3EX, U.K., now at: Simon Robertson Petroleum Technologies, Ty'n-y-Coed, Llandudno, Gwynedd LL30 1SA, U.K.
G. D. Sevastopulo
Affiliation:
Department of Geology, Trinity College, Dublin 2, Ireland
G. Clayton
Affiliation:
Department of Geology, Trinity College, Dublin 2, Ireland
R. Blackmore
Affiliation:
Department of Geology, Trinity College, Dublin 2, Ireland
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Abstract

The results of a reconnaissance apatite fission track study from southeast Ireland are compared with modelled ages and length distributions predicted using both traditional thermal histories and the thermal history indicated by the fission track age and length data. All samples have experienced total annealing during the Variscan orogeny. There is strong evidence for significant post-Variscan, pre-Mid Jurassic heating and cooling. The modelling also recognizes a third thermal event subsequent to 100 Ma. The implications of these results are examined in terms of the timing and extent of subsidence and inversion along the northern margin of the North Celtic Sea Basin.

Type
Articles
Information
Geological Magazine , Volume 130 , Issue 2 , March 1993 , pp. 171 - 176
Copyright
Copyright © Cambridge University Press 1993

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References

Burnett, R. D., Clayton, G., Haughey, N., Sevastopulo, G. D. & Sleeman, A. G. 1990. The organic maturation levels of Carboniferous rocks in south County Wexford, Ireland. Irish Journal of Earth Sciences 10, 145–55.Google Scholar
Clayton, G. 1989. Vitrinite reflectance data from the Kinsale Harbour-Old Head of Kinsale area, and its bearing on the interpretation of the Munster Basin. Journal of the Geological Society 146, 611–16.Google Scholar
Clayton, G., Sevastopulo, G. D. & Sleeman, A. G. 1986. Carboniferous (Dinantian and Silesian) and Permo-Triassic rocks in south County Wexford, Ireland. Geological Journal 21, 355–74.Google Scholar
Clayton, G., Haughey, N., Sevastopulo, G. D. & Burnett, R. D. 1989. Thermal maturation levels in the Devonian and Carboniferous rocks of Ireland. Special Publication of the Geological Survey of Ireland, 36 pp.Google Scholar
Cooper, M. A., Collins, D., Ford, M., Murphy, F. X. & Trayner, P. M. 1986. Structural evolution of the Irish Variscides. Journal of the Geological Society 143, 53–63.CrossRefGoogle Scholar
Green, P. F. 1986. On the thermo-tectonic evolution of Northern England: evidence from the fission track analysis. Geological Magazine 123, 493–506.CrossRefGoogle Scholar
Green, P. F. 1989. Thermal and tectonic history of the East Midlands shelf (onshore UK) and surrounding regions assessed by apatite fission track analysis. Journal of the Geological Society 146, 755–73.CrossRefGoogle Scholar
Green, P. F., Duddy, I. R., Gleadow, A. J. W. & Lovering, J. F. 1989 a. Apatite fission-track analysis as a paleotemperature indicator for hydrocarbon exploration. In Thermal History of Sedimentary Basins - Methods and Case Histories (eds Naeser, N. D. and McCulloh, T. H.), pp. 181–95. Springer-Verlag.CrossRefGoogle Scholar
Green, P. F., Duddy, I. R., Laslett, K. A., Gleadow, A. J. W. & Lovering, J. F. 1989 b. Thermal annealing of fission tracks in apatite - 4. Quantitative modelling techniques and extension to geological timescales. Chemical Geology (Isotope Geoscience Section) 79, 155–182.Google Scholar
Higgs, K. & Beese, A. P. 1986. A Jurassic microflora from the Colbond Clay of Cloyne, County Cork. Irish Journal of Earth Sciences 7, 99–110.Google Scholar
Jones, G. Ll. 1992. Irish Carboniferous conodonts record maturation levels and the influence of tectonism, igneous activity and mineralization. Terra Nova 4, 238–44.CrossRefGoogle Scholar
Laslett, G. M., Green, P. F., Duddy, I. R. & Gleadow, A. J. W. 1987. Thermal annealing of fission tracks in apatite - 2. A quantitative analysis. Chemical Geology (Isotope Geoscience Section) 65, 1–13.CrossRefGoogle Scholar
Lewis, C. L. E., Green, P. F., Carter, A. C. & Hurford, A. J. 1992. Elevated K/T palaeotemperatures throughout Northwest England: three kilometres of Tertiary erosion? Earth and Planetary Science Letters 112, 131–16.CrossRefGoogle Scholar
Naylor, D. 1992. The post-Variscan history of Ireland. In Basins on the Atlantic Seaboard: Petroleum Geology, Sedimentology and Basin Evolution (ed. Parnell, J.), pp. 255–76. Geological Society of London, Special Publication no. 62.Google Scholar
Petrie, S. H., Brown, J. R., Granger, P. J. & Lovell, J. P. B. 1989. Mesozoic History of the Celtic Sea Basins. In Extensional Tectonics and Stratigraphy of the North Atlantic Margins (eds Tankard, A. J. and Balkwill, H. R.), pp. 433–44. American Association of Petroleum Geologists Memoir no. 46.Google Scholar
Roberts, D. G. 1989. Basin inversion in and around the British Isles. In Inversion Tectonics (eds Cooper, M. A. and Williams, G. D.), pp. 131–50. Geological Society of London, Special Publication no. 44.Google Scholar
Stillman, C.J. 1981. Caledonian Igneous Activity. In A Geology of Ireland (ed. Holland, C. H.), pp. 83–106. Scottish Academic Press.Google Scholar