The impact of tectonic deformation upon coal seams in the South Wales coalfield, UK

International Journal of Coal Geology

Volumn 38, Issue 3-4, 1999, Pages 297-332

  Frodsham, K ^a   Gayer, R A ^a  

^a CARDIFF UNIVERSITY   (United Kingdom)

Author keywords

Detachment; Outburst; Variscan orogeny

Indexed keywords

BRITTLE FRACTURE; DEFORMATION; HARDNESS TESTING; SCANNING ELECTRON MICROSCOPY; SHEAR STRENGTH; TECTONICS;

COAL SEAMS;

COAL RESEARCH;

COAL SEAM; DEFORMATION; HERCYNIAN OROGENY; TECTONIC SETTING;

SOUTH WALES COALFIELD; UNITED KINGDOM; WALES;

EID: 0343416251     PISSN: 01665162     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0166-5162(98)00028-7     Document Type: Article

References (35)

1. Barker-Read, G.R., 1980. The geology and related aspects of coal and gas outbursts in the Gwendraeth valley. MSc Thesis. Univ. Wales, Cardiff.
2. Bustin R.M. The effect of shearing on quality of some coals in the southeastern Canadian Cordillera. Can. Inst. Min. Met. Bull. 75:1982;76-83.
3. Bustin R.M. Striated conical structures and related fractures in bituminous coal of the southern Canadian Rocky Mountains. Int. J. Coal Geol. 2:1982;1-16.
4. Bustin, R.M., 1986. Characteristics and mechanisms for the formation of structurally thickened coal deposits in the Southwestern Canadian Cordillera. Compte Rendu, 9th. Int. Congr. Carbonifereous Stratigraphy and Geology, 4: pp. 709-721.
5. Cole J.E., Miliorizos M., Frodsham K., Gayer R.A., Gillespie P.A., Hartley A.J., White S.C. Variscan structures in the opencast coal sites of the South Wales coalfield. Proc. Ussher Soc. 7:1991;375-379.
6. Cross, R.M., 1984. Geochemical and structural characteristics of coal seams liable to outburst. PhD Thesis. Univ. Wales, Cardiff.
7. Dumpleton S. Outbursts in the South Wales coalfield: their occurrence in three dimensions and a method for identifying potential outburst zones. The Mining Engineer. 1990:1990;322-329.
8. Fisher, R.J., 1977. A study of variations in the physical characteristics of West Wales anthracite. PhD Thesis. Univ. Wales, Cardiff.
9. Frodsham, K., 1990. An investigation of geological structure within opencast coal sites in South Wales. PhD Thesis. Univ. Wales, Cardiff.
10. Frodsham K., Gayer R.A. Variscan compressional structures within the main productive coal-bearing strata of South Wales. J. Geol. Soc. (London). 154:1997;195-208.
11. Frodsham, K., Gayer, R.A., James, J.E., Pryce, R., 1993. Variscan thrust deformation in the South Wales coalfield: a case study from Ffos Las opencast coal site. In: Gayer, R.A., Greiling, R.O., Vogel, A. (Eds.), The Rhenohercynian and Subvariscan Fold Belts. Earth Evolution Sciences. Vieweg, Braunschweig, pp. 315-348.
12. Gayer R.A., Fowler R. Variation in coal rank parameters with depth correlated with Variscan compressional deformation in the South Wales coalfield. Proc. 30th Int. Geological Congress. 18B:1997;77-98.
13. Gayer, R.A., Fowler, R., Davies, G.A., 1997. Coal rank variations with depth related to major thrust detachments in the South Wales coalfield; implications for fluid flow and mineralization. In: Gayer, R.A., Pesek, J. (Eds.), European Coal Geology and Technology. Geol. Soc. (London) Spec. Publ., Vol. 125, pp. 161-178.
14. Gayer, R.A., Garven, G., Rickard, D.T., in press. Fluid migration and coal rank development in foreland basins. Geology.
15. Harris, I.H., 1995. The in-situ and remote quantification of friable anthracite in the South Wales coalfield. PhD Thesis. Univ. Wales, Cardiff.
16. Harris, I.H., Davies, G.A., Gayer, R.A., Williams, K., 1996. Enhanced methane desorption characteristics from South Wales anthracites affected by tectonically induced fracture sets. In: Gayer, R.A., Harris, I.H. (Eds.), Coalbed Methane and Coal Geology. Geol. Soc. (London) Spec. Publ., Vol. 109, pp. 181-196.
17. Hartley A.J. A depositional model for the mid-Westphalian A to late Westphalian B Coal Measures of South Wales. J. Geol. Soc. (London). 150:1993;1121-1136.
18. Hathaway T.M., Gayer R.A. Variations in the style of thrust faulting in the South Wales coalfield and mechanisms of thrust development. Proc. Ussher Soc. 8:1994;279-284.
19. Hodgson R.A. Classification of structures on joint surfaces. Am. J. Sci. 259:1961;667-680.
20. Jeremic M.I. Coal strength evaluation from boreholes. Bull. Int. Ass. Eng. Geol. 26-27:1983;95-99.
21. Jones J. A mountain front model for the Variscan deformation of the South Wales coalfield. J. Geol. Soc. (London). 148:1991;881-892.
22. Kelling, G., 1988. Silesian sedimentation and tectonics in the South Wales basin: a brief review. In: Besly, B., Kelling, G. (Eds.), Sedimentation in a Synorogenic Basin Complex, The Upper Carboniferous of Northern Europe. Blackie, London, pp. 38-42.
23. Lawrence J.A. The assessment of the strength of coals from the South Wales coalfield. Colliery Guardian. 1978:1978;575-581.
24. MacDonald, P., 1980. A study of the physical parameters associated with the outburst-prone anthracites of West Wales. MSc Thesis. Univ. Wales, Cardiff.
25. Middleton, K., 1988. Outbursts - a future problem for South African collieries? J. Mine Ventilation Soc. S. Afr. (February 1988) 4-20.
26. Owen, T.R., Weaver, J.D., 1983. The structure of the main South Wales coalfield and its margins. In: Hancock, P.L. (Ed.), The Variscan Fold Belt in the British Isles. Hilger, Bristol, pp. 74-87.
27. Peace G.R., Besly B.M. End-Carboniferous fold-thrust structures, Oxfordshire, UK: implications for the structural evolution of the late Variscan foreland of south-central England. J. Geol. Soc. (London). 154:1997;225-237.
28. Rippon J.H., Gayer R.A., Miliorizos M. Variscan structures in the Kent Coalfield, southeast England, and their regional significance. Geol. Mag. 134:1997;855-867.
29. Rippon, J.H, Ellison, R.A., Gayer, R.A. Joints (cleats) and their orientations in the Upper Carboniferous coals of Great Britain. Journal of the Geological Society (London), submitted.
30. Salih M.R., Lisle R.J. Optical fabrics of vitrinite and their relation to tectonic deformation at Ffos Las South Wales coalfield. Annales Tectonicae. 2:1988;98-106.
31. Smallwood S. A thin-skinned thrust model for Variscan Pembrokeshire Wales. J. Structural Geol. 7:1985;683-687.
32. Trotter F.M. The structure of the coal measures in the Pontardawe-Ammanford area South Wales. Q. J. Geol. Soc. (London). 103:1947;89-133.
33. Trotter F.M. The devolatilisation of coal seams in South Wales. Q. J. Geol. Soc. (London). 104:1948;387-437.
34. White S.C. Palaeo-geothermal profiling across the South Wales coalfield. Proc. Ussher Soc. 7:1991;368-374.
35. Woodland, A.W., Evans, W.B., 1964. The geology of the South Wales coalfield: IV. The country around Pontypridd and Maesteg, 3rd edn. Memoirs of the Geological Survey. HMSO, London, 391 pp.