A tale of two synclines: Rifting, inversion and transpressional popouts at Lake Julius, northwestern Mt Isa terrane, Queensland

Australian Journal of Earth Sciences

Volumn 46, Issue 2, 1999, Pages 233-250

  Lister, G S ^a   O'Dea, M G ^a   Somaia, I ^a  

^a MONASH UNIVERSITY   (Australia)

Author keywords

Isan Orogeny; Leichhardt Rift; Mt Isa Rift Event; Mt Isa tectonics; Rifting; Structural inversion; Wrench faults

Indexed keywords

RIFTING; STRUCTURAL ADJUSTMENT; SYNCLINE; TECTONICS; TRANSPRESSION;

AUSTRALIA;

EID: 0033120217     PISSN: 08120099     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1440-0952.1999.00690.x     Document Type: Article

References (30)

1. BAIN J. H. C., HEINRICH C. A. & HENDERSON G. A. M. 1992. Stratigraphy, structure and metasomatism of the Haslingden Group, east Moondarra area, Mount Isa: a deformed and mineralised Proterozoic multistage rift-sag sequence. In: Stewart A. J. & Blake D. H. eds. Detailed studies of the Mount Isa Inlier, pp. 124-136. Australian Geological Society Organisation Bulletin 243.
2. BATSON R. A. 1991. Stratigraphy and structure of the southern Myally Block, Mount Isa Inlier, Queensland. MSc thesis, Monash University, Melbourne (unpubl.).
3. BELL T. H. 1983. Thrusting and duplex formation at Mount Isa, Queensland, Australia. Nature 304, 493-497.
4. BELL T. H. 1991. The role of thrusting in the structural development of the Mount Isa mine and its relevance to exploration in the surrounding region. Economic Geology 86, 1602-1625.
5. BETTS P. G. 1997. Origin and significance of the Mount Isa Rift Event. Australian Crustal Research Centre Technical Publication 56.
6. BLAKE D. H. 1992. Stratigraphy, folding, and faulting within the Quilalar Fault System, Mount Isa inlier. In: Stewart A. J. & Blake D. H. eds. Detailed studies of the Mount Isa Inlier, pp. 161-180. Australian Geological Society Organisation Bulletin 243.
7. BLAKE D. H., ETHERIDGE M. A., PAGE R. W., STEWART A. J., WILLIAMS P. R. & WYBORN L. A. I. 1990. Mount Isa inlier - regional geology and mineralisation. In: Hughes F. E. ed. Geology of the Mineral Deposits of Australia and Papua New Guinea, pp. 915-925. Australasian Institute of Mining and Metallurgy Monograph 14.
8. BLAKE D. H. & STEWART A. J. 1992. Stratigraphic and tectonic framework, Mount Isa Inlier. In: Stewart A. J. & Blake D. H. eds. Detailed studies of the Mount Isa Inlier, pp. 1-11. Australian Geological Society Organisation Bulletin 243.
9. DERRICK G. M. 1982. A Proterozoic rift zone at Mount Isa, Queensland, and implications for mineralisation. BMR Journal of Australian Geology & Geophysics 7, 81-92.
10. DERRICK G. M. & LITTLE M. 1973. Prospector, Queensland. Sheet 6857, Australian Geological Map Series 1:100 000. Bureau of Mineral Resources, Geology and Geophysics, Canberra.
11. DUNNET D. 1976. Mount Isa - reconstruction of a faulted orebody. Philosophical Transactions of the Royal Society of London 283, 333-344.
12. HARDING T. P. 1985. Seismic characteristics and identification of negative flower structures, positive flower structures, and positive structural inversion. American Association of Petroleum Geologists Bulletin 69, 582-600.
13. LISTER G. S. 1986. Transpressional strike-slip faulting in the Mount Isa inlier. Bureau of Mineral Resources Research Newsletter 4, 1-2.
14. LISTER G. S., ETHERIDGE M. A. & SYMONDS P. A. 1991. Detachment models for the formation of passive continental margins. Tectonics 10, 1038-1064.
15. LISTER G. S., O'DEA M. & SOMAIA I. 1992. The implications of large scale reorientation during wrenching in the Proterozoic Mount Isa terrane, Australia. Australian Crustal Research Centre Technical Publication 2.
16. LISTER G. S., THOMAS A. & DUNN J. 1986. Tectonic processes in the Mount Isa inlier: the significance of transpressional strike-slip faulting. Geological Society of Australia Abstracts 15, 127-128.
17. LISTER G. S., THOMAS A. D. & DUNN J. 1987. The significance of transpressional strike-slip faulting in the Lake Julius area, Mount Isa inlier. Geological Society of Australia Abstracts 19, 39-40.
18. NIJMAN W., VAN LOCHEM H., SPLIETHOFF H. & FEIJTH J. 1992a. Deformation model and sedimentation pattern of the Proterozoic of the Paroo Range, Mount Isa Inlier, Queensland, Australia. In: Stewart A. J. & Blake D. H. eds. Detailed studies of the Mount Isa Inlier, pp. 29-74. Australian Geological Society Organisation Bulletin 243.
19. NIJMAN W., MIJNLIEFF H. F. & SCHALWIJK G. 1992b. The Hero Fan delta (Lower Mount Isa Group) and its structural control: deformation in the Hero/Western Fault Zone and Paroo Range compared, Proterozoic, Mount Isa Inlier, Queensland, Australia. In: Stewart A. J. & Blake D. H. eds. Detailed studies of the Mount Isa Inlier, pp. 75-110. Australian Geological Society Organisation Bulletin 243.
20. O'DEA M. G. 1994. Geology of the Lake Julius Syncline and the implications for correlating structures within the Leichhardt River Fault Trough, Mount Isa, Australia. Australian Crustal Research Centre Technical Publication 6.
21. O'DEA M. G. 1996. Geometry and structural evolution of the Leichhardt River Fault Trough, Mount Isa terrain, Australia. PhD thesis, Monash University, Melbourne (unpubl.)
22. O'DEA M. G. & LISTER G. S. 1994. Structural inversion in the Crystal Creek block, Mount Isa Inlier, NW Queensland, Australia. Australian Crustal Research Centre Technical Publication 17.
23. O'DEA M. G. & LISTER G. S. 1995. The role of ductility contrast and basement architecture in the structural evolution of the Crystal Creek block, Mount Isa Inlier, Australia. Journal of Structural Geology 17, 949-960.
24. O'DEA M. G., LISTER G. S., MACCREADY T. ET AL. 1997. Geodynamics evolution of the Proterozoic Mount Isa terrain. In: Burg J. P. & Ford M. eds. Orogeny Through Time, pp. 99-122. Geological Society of London Special Publication 121.
25. ROSENDAHL B. R. 1987. Architecture of continental rifts with special reference to East Africa. Annual Reviews of the Earth and Planetary Sciences 15, 445-503.
26. SIMS J. 1990. Structural Geology of the Burah Creek area, southern Myally Shelf, Mount Isa inlier. BSc (Hons) thesis, University of Melbourne, Melbourne (unpubl.).
27. SMITH W. D. 1969. Penecontemporaneous faulting and its likely significance in relation to Mount Isa ore deposition. Geology Society of Australia Special Publication 2, 225-235.
28. SOMAIA I. 1996. Structural and tectonic evolution of the Lake Julius area, Leichhardt River Fault Trough, Mount Isa inlier. MSc thesis, Monash University, Melbourne (unpubl.).
29. STEWART A. J. 1992. Geology of the Horse's Head structure, north of Mount Isa, and its bearing on the 'roof thrust and imbricate stack' hypothesis, Mount Isa Inlier, Queensland. In: Stewart A. J. & Blake D. H. eds. Detailed studies of the Mount Isa Inlier, pp. 111-124. Australian Geological Society Organisation Bulletin 243.
30. STEWART A. J. & BLAKE D. H. 1992. Detailed studies of the Mount Isa Inlier. Australian Geological Survey Organisation Bulletin 243.