Geometry of chevron folding and shortening estimates at Hartland Quay, north Cornwall, UK, and some regional implications for Culm basin development

Geoscience in South-West England

Volumn 11, Issue 1, 2004, Pages 42-50

  Davison, I ^a   Jeffcoate, A ^b   Qing, H ^c  

^a EARTHMOVES LTD   (United Kingdom)

^b UNIVERSITY OF BRISTOL   (United Kingdom)

^c UNIVERSITY OF REGINA   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 77949331284     PISSN: 05663954     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Conference Paper

References (23)

1. BARR, D. 1987. Lithospheric stretching, detached normal faulting and footwall uplift. In: COWARD, M.P., DEWEY, J.F. and HANCOCK, P. (eds), Continental extension tectonics. Geological Society, London, Special Publications, 28, 75-94.
2. BROWN, P.E. 1989. FLINCOR: a microcomputer program for the reduction and investigation of fluid inclusion data. American Mineralogist, 74, 1390-1393.
3. 2-NaCl: New graphical presentations and implications for fluid inclusion studies. Geochimica et Cosmochimica Acta, 53, 1209-1221.
4. CORNFORD, C., YARNELL, L. and MURCHISON, D.G. 1987. Initial vitrinite reflectance results from the Carboniferous of North Devon and Cornwall. Proceedings of the Ussher Society, 7, 232-236.
5. DEARMAN, W. 1970. Some aspects of the tectonic evolution of south-west England. Proceedings of the Geologists' Association, 81, 483-491.
6. EDMONDS, E.A., WILLIAMS, B.J. and TAYLOR, R.T. 1979. Geology of Bideford and Lundy Island: Memoir sheets. Memoirs of the Geological Survey of Great Britain. HMSO, London.
7. FRESHNEY, E.C. and TAYLOR, R.T. 1972. The Upper Carboniferous stratigraphy of north Cornwall and west Devon. Proceedings of the Ussher Society, 2, 464-471.
8. FRESHNEY, E.C., MCKEOWN, E.A. and WILLIAMS, M. 1972. Geology of the coast between Tintagel and Bude. Memoirs of the Geological Survey of Great Britain. HMSO, London.
9. FRESHNEY, E.C., EDMONDS, E.A., TAYLOR, R.T. and WILLIAMS, B.J. 1979. Geology of the Country around Bude and Bradworthy. Memoirs of the Geological Survey of Great Britian, Sheets 307 and 308.
10. LLOYD, G.E. and CHINNERY, N. 2002. The Bude Formation, SW England: a three dimensional intra-formational Variscan imbricate stack. Journal of Structural Geology, 24, 1259-1280.
11. LLOYD, G.E. and WHALLEY, J.S. 1986. The modification of chevron folds by simple shear: examples from north Cornwall and Devon. Journal of the Geological Society, London, 143, 89-94.
12. LLOYD, G.E. and WHALLEY, J.S. 1997. Simple shear modification of chevron folds: implications for facing interpretations, strain analysis and deformation history. In: SENGUPTA, S. (Ed.), Evolution of geologic structures from micro to macro scales. Chapman and Hall, 373-396.
13. McKENZIE, D. 1978. Some remarks on the development of sedimentary basins. Earth and Planetary Science Letters, 40, 25-32.
14. MELVIN, J. 1986. Upper Carboniferous fine-grained turbiditic sandstones from southwest England: a model for growth in an ancient delta-fed sub-sea fan. Journal of Sedimentary Petrology, 56, 19-34
15. PRICE, N.J. and COSGROVE, J.W. 1990. Analysis of Geological Structures. Cambridge University Press, Cambridge, UK.
16. RAMSAY, J.G. 1974. The development of chevron folds. Bulletin Geological Society of America, 85, 1741-1754.
17. RAMSAY, J.G. and HUBER, M. 1987. The techniques of modern structural geology, vol. 2 folds and fracturing. Academic Press, London.
18. SANDERSON, D.J. 1974. Chevron folding in the Upper Carboniferous rocks of North Cornwall. Proceedings of the Ussher Society, 1, 96-103.
19. SANDERSON, D.J. 1979. The transition from upright to recumbent folding in the Variscan fold belt of southwest England: a model based on the kinematics of simple shear. Journal of Structural Geology, 1, 171-180.
20. TANNER, P.W.G. 1989. The fiexural slip mechanism. Journal of Structural Geology, 11, 635-655.
21. THOMAS, J.M. 1988. Basin history of the Culm Trough of Southwest England. In: BESLY, B.M. and KELLING, G. (eds), Sedimentation in a synorogenic basin complex; the Upper Carboniferous of Northwest Europe. Blackie and Son, 24-37.
22. WARR, L.N., PRIMMER, T.J. and ROBINSON, D. 1991. Variscan very low-grade metamorphism in southwest England: a diasthermal and thrust-related origin. Journal of Metamorphic Geology, 9, 751-764.
23. ZWART, H.J. 1964. The development of successive structures in the Devonian and Carboniferous of Devon and Cornwall. Geologie en Mijnbouw, 43, 516-526.