Development of Type 2 fold interference patterns in the Broken Hill Block: Implications for strain partitioning across a detachment during the Olarian Orogeny

Australian Journal of Earth Sciences

Volumn 51, Issue 2, 2004, Pages 173-188

  Forbes, C J ^a   Betts, P G ^a  

^a MONASH UNIVERSITY   (Australia)

Author keywords

Australia; Broken Hill; Detachment; Fold interference patterns; Non cylindrical folding; Olarian Orogeny; Strain partitioning

Indexed keywords

DEFORMATION; FOLDING; OLARIAN OROGENY; STRAIN; STRUCTURAL GEOLOGY;

AUSTRALASIA; AUSTRALIA; BROKEN HILL; NEW SOUTH WALES;

EID: 3042853831     PISSN: 08120099     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1440-0952.2004.01051.x     Document Type: Article

References (37)

1. ALSOP G. I. 1994. The geometry and structural evolution of a crustalscale Caledonian fold complex: the Ballybofey Nappe, northwest Ireland. Geological Magazine 131, 519-537.
2. BINNS R. A. 1964. Zones of progressive regional metamorphism in the Willyama Complex, Broken Hill District, New South Wales. Journal of the Geological Society of Australia 11, 283-330.
3. BROWN R. E., WILLIS I. L & STEVENS B. P. J. 1991. Brewery Well 1:25 000 Geological Sheet 7134-I-N. Geological Survey of New South Wales, Sydney.
4. DEER W. A., HOWIE R. A. & ZUSSMAN J. 1992. An Introduction to the Rock-Forming Minerals. Longman Scientific and Technical, London.
5. ECHTLER H. 1990. Geometry and kinematics of recumbent folding and low-angle detachment in the Pardailhan nappe (Montagne Noire, Southern French Massif Central). Tectonophysics 177, 109-123.
6. FORBES C. J., BETTS P. G. & LISTER G. S. 2004. Synchronous development of Type 2 and Type 3 fold interference patterns: evidence for recumbent sheath folds in the Allendale Area, Broken Hill, NSW, Australia. Journal of Structural Geology 26, 113-126.
7. GHOSH S. K., MANDAL N., KHAN D. & DEB S. K. 1992. Modes of superposed buckling in single layers controlled by initial tightness of early folds. Journal of Structural Geology 14, 381-394.
8. GIBSON G. M. 2000. Tectonic evolution of the Palaeoproterozoic Willyama Supergroup, Broken Hill: the early years. Australian Geological Survey Organisation Record 2000/10, 45-47.
9. GIBSON G. M. & CZARNOTA K. 2003. Structural history of the Bimbowrie Inlier: role of low-angle shear zones and wider implications for tectonothermal evolution of the Willyama Supergroup. Geoscience Australia Record 2003/13, 50-52.
10. GRUJIC D. 1993. The influence of initial fold geometry on Type 1 and Type 2 interference patterns: an experimental approach. Journal of Structural Geology 15, 293-307.
11. 39Ar age spectra and the thermal history of the region. Earth and Planetary Science Letters 55, 123-149.
12. HOBBS B. E., ARCHIBALD N. J., ETHERIDGE M. A. & WALL V. J. 1984. Tectonic History of the Broken Hill Block, Australia. In: Kröner A. & Greiling R. eds. Precambrian Tectonics Illustrated, pp. 353-368. E. Schweizerbartische, Stuttgart.
13. LAING W. P., MARJORIBANKs R. W & RUTLAND R. W. R. 1978. Structure of the Broken Hill Mine Area and its significance for the genesis of orebodies. Economic Geology 73, 1112-1136.
14. LEYH W. R. 2000. Detailed lithostructural mapping of Broken Hill type mineralization in the Broken Hill Block, NSW. Australian Geological Survey Organisation Record 2000/10, 63-64.
15. MARJORIBANKS R. W., RUTLAND R. W. R., GLEN R. A. & LAING W. P. 1980. The structure and tectonic evolution of the Broken Hill Region, Australia. Precambrian Research 13, 209-240.
16. NOBLE M. 2000. Geology of the Broken Hill Synform, NSW. MSc thesis, Monash University, Melbourne (unpubl.).
17. NOBLE M. P., FRY K., BETTS P. G., FORBES C. & LISTER G. S. 2003. High temperature shear zones of the Curnamona Province. Geoscience Australia Record 2003/13, 120-121.
18. NOBLE M. & LISTER G. S. 2001. Discovery of a kilometre-scale early extensional shear zone that deformed the Broken Hill Pb-Zn-Ag orebody, NSW, Australia. Geological Society of Australia Abstracts 64, 127-128.
19. PAGE R. W. & LAING W. P. 1992. Felsic metavolcanic rocks related to the Broken Hill Pb-Zn-Ag orebody, Australia: geology. depositional age, and timing of high-grade metamorphism. Economic Geology 87, 2138-2168.
20. PAGE R. W., STEVENS B. P. J., GIBSON G. M & CONOR C. H. H. 2000. Geochronology of Willyama Supergroup rocks between Olary and Broken Hill, and comparison to Northern Australia. Australian Geological Survey Organisation Record 2000/10, 72-75.
21. PHILLIPS G. N. & WALL V. J. 1981. Evaluation of prograde regional metamorphic conditions; their implications for the heat source and water activity during metamorphism in the Willyama Complex, Broken Hill Australia. Bulletin de Mineralogie 104, 801-810.
22. POWELL C. MCA., PREISS W. V., GATEHOUSE C. G., KRAPEZ B. & LI Z. X. 1994. South Australian record of a Rodinian epicontinental basin and its mid-Neoproterozoic break-up (c. 700 Ma) to form the Palaeo-Pacific Ocean. Tectonophysics 237, 113-140.
23. PREISS W. 2000. Overview of the Curnamona Province and its tectonic setting. Australian Geological Society Organisation Record 2000/ 10, 79-81.
24. RAMSAY J. G. 1962. Interference patterns produced by the superposition of folds of 'similar' type. Journal of Geology 60, 466-481.
25. RAMSAY J. G. 1981. Tectonics of the Helvetic Nappes. In: McClay K. R. & Price N. J. eds. Thrust and Nappe Tectonics, pp. 292-310. Geological Society of London Special Publication 9.
26. RAMSAY J. G., CASEY M. & KLIGFIELD R. 1983. Role of shear in development of the Helvetic fold-thrust belt of Switzerland. Geology 11, 439-442.
27. RAMSAY J. G. & HUBER M. I. 1987. The Techniques of Modern Structural Geology, Vol. 2: Folds and Fractures. Academic Press Limited, London.
28. SANDIFORD M. & POWELL R. 1986. Deep crustal metamorphism during continental extension: modern and ancient examples. Earth and Planetary Science Letters 79, 151-158.
29. SKJERNAA L. 1975. Experiments on superimposed buckle folding. Tectonophysics 27, 255-270.
30. STEVENS B. P. J., BARNES R. G., BROWN R. E., STROUD W. J. & WILLIS I. L. 1988. The Willyama Supergroup in the Broken Hill and Euriowie Blocks, New South Wales. Precambrian Research 40/41, 297-327.
31. STEWART S. A. 1993. Fold interference structures in thrust systems. Tectonophysics 225, 449-456.
32. STÜWE K. & EHLERS K. 1997. Multiple metamorphic events at Broken Hill, Australia. Evidence from chloritoid-bearing paragenesis in the Nine-Mile Mine Region. Journal of Petrology 38, 1167-1186.
33. THIESSEN R. L. & MEANS W. D. 1980. Classification of fold interference patterns: a re-examination. Journal of Structural Geology 2, 311-316.
34. VEEN C. J. 2001. The geodynamic evolution of the Mount Robe and Mount Franks region. Broken Hill Australia: discovery of crustalscale extensional shear zones and giant sheath folds. PhD thesis, Monash University, Melbourne (unpubl.).
35. WHITE S. H., ROTHERY E., LIPS A. L. W. & BARCLAY T. J. R. 1995. Broken Hill area. Australia, as a Proterozoic fold and thrust belt: implications for the Broken Hill base-metal deposit. Transactions of the Institution of Mining and Metallurgy Section B: Applied Earth Sciences 104, Bl-B17.
36. WILLIS I. L., BROWN R. E., STROUD W. J & STEVENS B. P. J. 1983. The Early Proterozoic Willyama Supergroup: stratigraphic subdivision and interpretation of high to low-grade metamorphic rocks in the Broken Hill Block, New South Wales. Journal of the Geological Society of Australia 30, 195-224.
37. WILSON C. J. L. & POWELL R. 2001. Strain localisation and high-grade metamorphism at Broken Hill, Australia: a view from the Southern Cross area. Tectonophysics 335, 193-210.