Progressive fold and fabric evolution associated with regional strain gradients: A case study from across a Scandian ductile thrust nappe, Scottish Caledonides

Geological Society Special Publication

Volumn 335, Issue , 2010, Pages 255-274

  Alsop, G I ^a   Cheer, D A ^b   Strachan, R A ^c   Krabbendam, M ^d   Kinny, P D ^e   Holdsworth, R E ^f   Leslie, A G ^d  

^a UNIVERSITY OF ABERDEEN   (United Kingdom)

^b UNIVERSITY OF ST ANDREWS   (United Kingdom)

^c UNIVERSITY OF PORTSMOUTH   (United Kingdom)

^d BRITISH GEOLOGICAL SURVEY   (United Kingdom)

^e CURTIN UNIVERSITY   (Australia)

^f DURHAM UNIVERSITY   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

AMPHIBOLITE FACIES; CALEDONIAN OROGENY; DETACHMENT FAULT; DUCTILE DEFORMATION; FOLD; GREENSCHIST FACIES; LINEATION; METAIGNEOUS ROCK; NAPPE; NUMERICAL MODEL; PLANE STRAIN; REGIONAL GEOLOGY; SHEAR STRAIN; STRAIN RATE; TECTONIC EVOLUTION; THRUST; URANIUM-LEAD DATING; ZIRCON;

CALEDONIDES; SCOTLAND; UNITED KINGDOM;

EID: 77955990816     PISSN: 03058719     EISSN: None     Source Type: Book Series    
DOI: 10.1144/SP335.12     Document Type: Article

References (68)

1. ALSOP, G. I. & CARRERAS, J. 2007. The structural evolution of sheath folds: a case study from Cap de Creus. Journal of Structural Geology, 29, 1915-1930.
2. ALSOP, G. I. & HOLDSWORTH, R. E. 1993. The distribution, geometry and kinematic significance of Caledonian buckle folds in the western Moine Nappe, northwestern Scotland. Geological Magazine, 130, 353-362.
3. ALSOP, G. I. & HOLDSWORTH, R. E. 1999. Vergence and facing patterns in large scale sheath folds. Journal of Structural Geology, 21, 1335-1349.
4. ALSOP, G. I. & HOLDSWORTH, R. E. 2002. The geometry and kinematics of flow perturbation folds. Tectonophysics, 350, 99-125.
5. ALSOP, G. I. & HOLDSWORTH, R. E. 2004a. The geometry and topology of natural sheath folds; a new tool for structural analysis. Journal of Structural Geology, 26, 1561-1589.
6. ALSOP, G. I. & HOLDSWORTH, R. E. 2004b. Shear zone folds: records of flow perturbation or structural inheritance? In: ALSOP, G. I., HOLDSWORTH, R. E., MCCAFFREY, K. J. W. & HAND, M. (eds) Flow Processes in Faults and Shear Zones. Geological Society, London, Special Publications, 224, 177-199.
7. ALSOP, G. I. & HOLDSWORTH, R. E. 2005. Discussion on evidence for non-plane strain flattening along the Moine thrust, Loch Strath nan Aisinnin, North-west Scotland by Mathew Strine and Steven F. Wojtal. Journal of Structural Geology, 27, 781-784.
8. ALSOP, G. I. & HOLDSWORTH, R. E. 2006. Sheath folds as discriminators of bulk strain type. Journal of Structural Geology, 28, 1588-1606.
9. ALSOP, G. I. & HOLDSWORTH, R. E. 2007. Flow perturbation folding in shear zones. In: RIES, A. C., BUTLER, R. W. H. & GRAHAM, R. H. (eds) Deformation of the Continental Crust: The Legacy of Mike Coward. Geological Society, London, Special Publications, 272, 77-103.
10. ALSOP, G. I., HOLDSWORTH, R. E. & MCCAFFREY, K. J. W. 2007. Scale invariant sheath folds in salt, sediments and shear zones. Journal of Structural Geology, 29, 1585-1604.
11. ALSOP, G. I., HOLDSWORTH, R. E. & STRACHAN, R. A. 1996. Transport-parallel cross folds within a midcrustal Caledonian thrust stack, northern Scotland. Journal of Structural Geology, 18, 783-790.
12. BARR, D. 1985. Migmatites in the Moine. In: ASHWORTH, J. R. (ed.) Migmatites. Blackie, Glasgow & London, 226-264.
13. BARR, D., HOLDSWORTH, R. E. & ROBERTS, A. M. 1986. Caledonian ductile thrusting in a Precambrian metamorphic complex: the Moine of NW Scotland. Geological Society of America Bulletin, 97, 754-764.
14. BAYONA, G., THOMAS, W. A. & VAN DER VOO, R. 2003. Kinematics of thrust sheets within transverse zones: a structural and paleomagnetic investigation in the Appalachian thrust belt of Georgia and Alabama. Journal of Structural Geology, 25, 1193-1212.
15. BELL, T. H. 1978. Progressive deformation and reorientation of fold axes in a ductile mylonite zone: the Woodruffe thrust. Tectonophysics, 44, 285-321.
16. BROWN, P. E. 1967. Major element composition of the Loch Coire Migmatite Complex, Sutherland, Scotland. Contributions to Mineralogy & Petrology, 14, 1-26.
17. BROWN, P. E. 1971. The age of the granitic sheets and veins in the Loch Coire migmatites. Mineralogical Magazine, 38, 446-450.
18. BRYANT, B. & REED, J. C. 1969. Significance of lineation and minor folds near major thrust faults in the southern Appalachians and the British and Norwegian Caledonides. Geological Magazine, 106, 412-429.
19. CHEER, D. A. 2006. The structural, sedimentary and igneous geology of the Moine Thrust Zone and Moine Nappe in the Ben Hee area, NW Scotland. PhD thesis, University of St Andrews.
20. COWARD, M. P. & KIM, J. H. 1981. Strain within thrust sheets. In: MCCLAY, K. R. & PRICE, N. J. (eds) Thrust and Nappe Tectonics. Geological Society, London, Special Publications, 9, 275-292.
21. COWARD, M. P. & POTTS, G. J. 1983. Complex strain patterns developed at the frontal and lateral tips to shear zones and thrust zones. Journal of Structural Geology, 5, 383-399.
22. DIAZ ASPIROZ, M. & FERNANDEZ, C. 2005. Kinematic analysis of the Southern Iberian shear zone and tectonic evolution of the Acebuches metabasites (SW Variscan Iberian Massif). Tectonics, 24, TC3010, doi: 10.1029/2004TC001682.
23. ESCHER, A. & WATERSON, J. 1974. Stretching fabrics, folds and crustal shortening. Tectonophysics, 22, 223-231.
24. FOWLER, M. B., KOCKS, H., DERBYSHIRE, D. P. F. & GREENWOOD, P. B. 2008. Petrogenesis of high Ba-Sr plutons from the Northern Highlands Terrane of the British Caledonian Province. Lithos, 105, 129-148.
25. FRIEND, C. R. L., KINNY, P. D., ROGERS, G., STRACHAN, R. A. & PATERSON, B. A. 1997. U-Pb zircon geochronological evidence for Neoproterozoic events in the Glenfinnan Group (Moine Supergroup): the formation of the Ardgour granite gneiss, north-west Scotland. Contributions to Mineralogy and Petrology, 128, 101-113.
26. FRIEND, C. R. L., STRACHAN, R. A. & KINNY, P. D. 2008. U-Pb zircon dating of basement inliers within the Moine Supergroup, Scottish Caledonides: implications of Archaean protolith ages. Journal of the Geological Society, London, 165, 807-813.
27. FRIEND, C. R. L., STRACHAN, R. A., KINNY, P. D. & WATT, G. R. 2003. Provenance of the Moine Supergroup of NW Scotland: evidence from geochronology of detrital and inherited zircons from sediments, granites and migmatites. Journal of the Geological Society, London, 160, 247-257.
28. HOLDSWORTH, R. E. 1989. The geology and structural evolution of a Caledonian fold and ductile thrust zone, Kyle of Tongue region, Sutherland, northern Scotland. Journal of the Geological Society, London, 146, 809-823.
29. HOLDSWORTH, R. E. 1990. Progressive deformation structures associated with ductile thrusts in the Moine Nappe, Sutherland, N Scotland. Journal of Structural Geology, 12, 443-452.
30. HOLDSWORTH, R. E. & GRANT, C. J. 1990. Convergence-related 'dynamic spreading' in a midcrustal ductile thrust zone: a possible orogenic wedge model. In: KNIPE, R. J. & RUTTER, E. H. (eds) Deformation Models, Rheology and Tectonics. Geological Society, London, Special Publications, 54, 491-500.
31. HOLDSWORTH, R.E. & ROBERTS, A. M. 1984. A study of early curvilinear fold structures and strain in the Moine of the Glen Garry region, Inverness-shire. Journal of the Geological Society, London, 141, 327-338.
32. HOLDSWORTH, R. E. & STRACHAN, R. A. 1988. The structural age and possible origin of the Vagastie Bridge granite and associated intrusions, central Sutherland. Geological Magazine, 125, 613-620.
33. HOLDSWORTH, R. E., STRACHAN, R. A. & HARRIS, A. L. 1994. Precambrian rocks in northern Scotland east of the Moine Thrust: the Moine Supergroup. In: GIBBONS, W. & HARRIS, A. L. (eds) A Revised Correlation of Precambrian Rocks in the British Isles. Geological Society, London, Special Report, 22, 23-32.
34. HOLDSWORTH, R. E., STRACHAN, R. A. & ALSOP, G. I. 2001. Geology of the Tongue district. Memoirs of the British Geological Survey, Sheet 114 E (Scotland). HMSO, London.
35. HOLDSWORTH, R. E., STRACHAN, R. A., ALSOP, G. I., GRANT, C. J. & WILSON, R. W. 2006. Thrust sequences and the significance of low-angle, out-ofsequence faults in the northernmost Moine Nappe and Moine Thrust Zone, NW Scotland. Journal of the Geological Society, London, 163, 801-814.
36. HOLDSWORTH, R. E., ALSOP, G. I. & STRACHAN, R. A. 2007. Tectonic stratigraphy and structural continuity of the northernmost Moine Thrust Zone and Moine Nappe, Scottish Caledonides. In: RIES, A. C., BUTLER, R. W. H. & GRAHAM, R. H. (eds) Deformation of the Continental Crust: The Legacy of Mike Coward. Geological Society, London, Special Publications, 272, 123-144.
37. JOHNSON, M. R.W. & STRACHAN, R. A. 2006. A discussion of possible heat sources during nappe stacking: the origin of Barrovian metamorphism within the Caledonian thrust sheets of NW Scotland. Journal of the Geological Society, London, 163, 579-582.
38. KINNY, P. D., FRIEND, C. R. L., STRACHAN, R. A., WATT, G. R. & BURNS, I. M. 1999.U-Pb geochronology of regional migmatites, East Sutherland, Scotland: evidence for crustal melting during the Caledonian orogeny. Journal of the Geological Society, London, 156, 1143-1152.
39. KINNY, P. D., STRACHAN, R. A., FRIEND, C. R. L., KOCKS, H., ROGERS, G. & PATERSON, B. A. 2003. U-Pb geochronology of deformed metagranites in central Sutherland, Scotland; evidence for widespread late Silurian metamorphism and ductile deformation of the Moine Supergroup during the Caledonian orogeny. Journal of the Geological Society, London, 160, 259-269.
40. KIRKLAND, C. L., STRACHAN, R. A. & PRAVE, A. R. 2008. Detrital zircon signature of the Moine Supergroup, Scotland: contrasts and comparisons with other Neoproterozoic successions within the circum-North Atlantic region. Precambrian Research, 163, 332-350.
41. KOCKS, H., STRACHAN, R. A. & EVANS, J. A. 2006. Heterogeneous reworking of Grampian metamorphic complexes during Scandian thrusting in the Scottish Caledonides: insights from the structural setting and U-Pb geochronology of the Strath Halladale Granite. Journal of the Geological Society, London, 163, 525-538.
42. KRABBENDAM, M., PRAVE, A. R. & CHEER, D. 2008. A fluvial origin for the Neoproterozoic Morar Group, NW Scotland: implications for Torridon-Morar group correlation and the Grenville Orogen Foreland Basin. Journal of the Geological Society, London, 165, 379-394.
43. LAW, R. D. & POTTS, G. J. 1987. The Tarskavaig Nappe of Skye, NW Scotland: a re-examination of the fabrics and their kinematic significance. Geological Magazine, 124, 231-248.
44. LESLIE, A. G., KRABBENDAM, M., KIMBELL, G. S. & STRACHAN, R. A. 2010. Regional-scale lateral variation and linkage in ductile thrust architecture: the Oykell Transverse Zone, and mullions in the Moine nappe, NW Scotland. In: LAW, R. D., BUTLER, R. W. H., HOLDSWORTH, R. E., KRABBENDAM, M. & STRACHAN, R. A. (eds) Continental Tectonics and Mountain Building: The Legacy of Peach and Horne. Geological Society, London, Special Publications, 335, 359-381.
45. MIES, J. W. 1993. Structural analysis of sheath folds in the Sylacauga marble group, Talladega Slate Belt, southern Appalachians. Journal of Structural Geology, 15, 983-993.
46. MOORHOUSE, S. J. & MOORHOUSE, V. E. 1977. A Lewisian basement sheet within the Moine at Ribigill, north Sutherland. Scottish Journal of Geology, 13, 289-300.
47. MOORHOUSE, V. E. & MOORHOUSE, S. J. 1983. The geology and geochemistry of the Strathy Complex of north-east Sutherland, Scotland. Mineralogical Magazine, 47, 123-137.
48. MOORHOUSE, S. J., MOORHOUSE, V. E. & HOLDSWORTH, R. E. 1988. Excursion 12: North Sutherland. In: ALLISON, I., MAY, F. & STRACHAN, R. A. (eds) An Excursion Guide to the Moine Geology of the Scottish Highlands. Scottish Academic Press, Edinburgh, 216-248.
49. PEACH, B. N., HORNE, J., GUNN, W., CLOUGH, C. T. & HINXMAN, L. W. 1907. The geological structure of the NW Highlands of Scotland. Memoirs of the Geological Survey of Scotland. HMSO, Glasgow.
50. PLATT, J. P. & BEHRMANN, J. H. 1986. Structures and fabrics in a crustal-scale shear zone, Betic Cordillera, SE Spain. Journal of Structural Geology, 8, 15-33.
51. PLATT, J. P. & LISTER, G. S. 1985. Structural history of high-pressure metamorphic rocks in the southern Vanoise massif, French Alps, and their relation to Alpine tectonic events. Journal of Structural Geology, 7, 19-35.
52. RAMSAY, J. G. & HUBER, M. I. 1983. The Techniques of Modern Structural Geology, Volume 1: Strain Analysis. Academic Press, London, New York.
53. READ, H. H. 1931. The Geology of Central Sutherland. Memoir of the Geological Survey of Great Britain. HMSO, Edinburgh.
54. RHODES, S. & GAYER, R. A. 1977. Non-cylindrical folds, linear structures in the X-direction and mylonite developed during translation of the Caledonian Kalak Nappe Complex of Finmark. Geological Magazine, 114, 329-341.
55. ROBERTS, A.M. & HARRIS, A. L. 1983. The Loch Quoich Line - a limit of early Palaeozoic crustal reworking in the Moine of the northern Highlands of Scotland. Journal of the Geological Society, London, 140, 883-892.
56. ROGERS, G., HYSLOP, E. K., STRACHAN, R. A., PATERSON, B. A. & HOLDSWORTH, R. E. 1998. The structural setting and U-Pb geochronology of Knoydartian pegmatites in W. Inverness-shire: evidence for Neoproterozoic tectonothermal events in the Moine of NW Scotland. Journal of the Geological Society, London, 155, 685-696.
57. ROGERS, G., KINNY, P. D., STRACHAN, R. A., FRIEND, C. R. L. & PATERSON, B. A. 2001. U-Pb geochronology of the Fort Augustus granite gneiss: constraints on the timing of Neoproterozoic and Palaeozoic tectonothermal events in the NW Highlands of Scotland. Journal of the Geological Society, London, 158, 7-14.
58. SANDERSON, D. J. 1973. The development of fold axes oblique to the regional trend. Tectonophysics, 16, 55-70.
59. SANDERSON, D. J. 1982. Models of strain variation in nappes and thrust sheets; a review. Tectonophysics, 16, 55-70.
60. SANDERSON, D. J., ANDREWS, J. R., PHILLIPS, W. E. A. & HUTTON, D. H. W. 1980. Deformation studies in the Irish Caledonides. Journal of the Geological Society, London, 137, 289-302.
61. SOPER, N. J. & BROWN, P. E. 1971. Relationship between metamorphism and migmatisation in the northern part of the Moine Nappe. Scottish Journal of Geology, 7, 305-325.
62. SOPER, N. J., STRACHAN, R. A., HOLDSWORTH, R. E., GAYER, R.A. & GREILING, R. O. 1992. Sinistral transpression and the Silurian closure of Iapetus. Journal of the Geological Society, London, 149, 871-880.
63. STRACHAN, R. A. & HOLDSWORTH, R. E. 1988. Basement-cover relationships and structure within the Moine rocks of central and southeast Sutherland. Journal of the Geological Society, London, 145, 23-36.
64. STRACHAN, R. A., SMITH, M., HARRIS, A. L. & FETTES, D. J. 2002. The Northern Highland and Grampian terranes. In: TREWIN, N. H. (ed.) The Geology of Scotland. Geological Society, London, 81-147.
65. STRACHAN, R. A., HOLDSWORTH, R. E., KRABBENDAM, M. & ALSOP, G. I. 2010. The Moine Supergroup of NW Scotland: insights into the analysis of polyorogenic supracrustal sequences. In: LAW, R. D., BUTLER, R. W. H., HOLDSWORTH, R. E., KRABBENDAM, M. & STRACHAN, R. A. (eds) Continental Tectonics and Mountain Building: The Legacy of Peach and Horne. Geological Society, London, Special Publications. 335, 233-254.
66. VANCE, D., STRACHAN, R. A. & JONES, K. A. 1998. Extensional versus compressional settings for metamorphism: garnet chronometry and pressuretemperature-time histories in the Moine Supergroup, northwest Scotland. Geology, 26, 927-930.
67. WILLIAMS, G. D. 1978. Rotation of contemporary folds into the X direction during overthrust processes in Laksefjord, Finnmark. Tectonophysics, 48, 29-40.
68. WINCHESTER, J. A. 1974. The zonal pattern of regional metamorphism in the Scottish Caledonides. Journal of the Geological Society, London, 130, 509-524.