Golden bar gold deposit as an extension of the hyde-macraes shear zone, east Otago, New Zealand

New Zealand Journal of Geology and Geophysics

Volumn 50, Issue 3, 2007, Pages 271-281

  Jones, P ^a   Craw, D ^a   Norris, R J ^a  

^a UNIVERSITY OF OTAGO   (New Zealand)

Author keywords

Duplex; Hydrothermal alteration; Mesothermal gold; Orogenic gold; Otago Schist; Structure; Thrust

Indexed keywords

DEFORMATION; FOLIATION; GOLD MINE; HYDROTHERMAL ALTERATION; MINERALIZATION; ORE DEPOSIT; QUARTZ VEIN; SHEAR ZONE;

AUSTRALASIA; NEW ZEALAND; OTAGO; SOUTH ISLAND;

EID: 35748949908     PISSN: 00288306     EISSN: 11758791     Source Type: Journal    
DOI: 10.1080/00288300709509837     Document Type: Article

References (22)

1. Angus, PV, de Ronde, CEJ, and Scott, JG. Exploration along the Hyde-Macraes Shear. Proceedings 31st Annual Conference. New Zealand Branch. pp. 7Australasian Institute of Mining and Metallurgy.
2. Begbie, MJ, and Craw, D. 2006. Geometry and petrography of stockwork vein swarms, Macraes mine, Otago Schist, New Zealand. New Zealand Journal of Geology and Geophysics, 49:63–73.
3. Boyer, SE, and Elliott, D. 1982. Thrust systems. American Association of Petroleum Geologists Bulletin, 66:1196–1230.
4. Coombs, DS, Landis, CA, Norris, RJ, Sinton, JM, Borns, DJ, and Craw, D. 1976. The Dun Mountain Ophiolite Belt, New Zealand, its tectonic setting, constitution and origin, with special reference to the southern portion. American Journal of Science, 276:561–603.
5. Cox, SF. 1995. Faulting processes at high fluid pressures:an example of fault valve behaviour from the Wattle Gully Fault, Victoria, Australia. Journal of Geophysical Research, 100:12841–12859.
6. Craw, D. 2002. Geochemistry of late metamorphic hydrothermal alteration and graphitisation of host rock, Macraes gold mine, Otago Schist, New Zealand. Chemical Geology, 191:257–275.
7. Craw, D, and Angus, PV. 1993. Mafic/ultramafic clasts in deformed biotite zone metaconglomerate, Macraes mine, Haast Schist, New Zealand. New Zealand Journal of Geology and Geophysics, 36:395–398.
8. Craw, D, and Norris, RJ. 1991. Metamorphogenic Au-W veins and regional tectonics:mineralisation throughout the uplift history of the Haast Schist, New Zealand. New Zealand Journal of Geology and Geophysics, 34:373–383.
9. Craw, D, Windle, SJ, and Angus, PV. 1999. Gold mineralisation without quartz veins in a ductile-brittle shear zone, Macraes Mine, Otago Schist, New Zealand. Mineralium Deposita, 34:382–394.
10. de Ronde, CEJ, Faure, K, Bray, CJ, and Whitford, DJ. 2000. Round Hill shear zone-hosted gold deposit, Macraes Flat, Otago, New Zealand:evidence of a magmatic ore fluid. Economic Geology, 95:1025–1048.
11. McKeag, SA, and Craw, D. 1989. Contrasting fluids in gold-quartz vein systems formed progressively in a rising metamorphic belt, Otago Schist, New Zealand. Economic Geology, 84:22–33.
12. MacKenzie, DJ, and Craw, D. 1993. Structural control of gold-scheelite mineralisation in a major normal fault system, Barewood, eastern Otago, New Zealand. New Zealand Journal of Geology and Geophysics, 36:437–445.
13. Mitchell, M, Maw, L, Angus, PV, and Craw, D. 2006. The Macraes gold deposit in east Otago. In:Geology and Exploration of New Zealand Mineral Deposits. Australasian Institute of Mining and Metallurgy Monograph, 25:313–318.
14. Mortimer, N. 1993. Jurassic tectonic history of the Otago Schist, New Zealand. Tectonics, 12:237–244.
15. Mortimer, N, and Roser, BP. 1992. Geochemical evidence for the position of the Caples-Torlesse boundary in the Otago Schist. Journal of the Geological Society of London, 149:967–977.
16. Palmer, KR, Johnstone, RD, and Mortimer, N. 1992. X-ray fluorescence analyses of metamorphic rocks from the Caples and Torlesse Terranes, South Island, New Zealand, DSIR Geology and Geophysics Report G132 New Zealand:Department of Scientific and Industrial Research.
17. Petrie, BS, and Craw, D. 2005. Lithological controls on structural evolution of mineralised schist, Macraes gold mine, Otago, New Zealand. New Zealand Journal of Geology and Geophysics, 48:435–446.
18. Petrie, BS, Craw, D, and Ryan, CG. 2005. Geological controls on refractory ore in an orogenic gold deposit, Macraes mine, New Zealand. Mineralium Deposita, 40:45–58.
19. Sibson, RH. 1990. “ Conditions for fault-valve behaviour ”. In Deformation mechanisms, rheology, and tectonics, Geological Society Special Publication 54 Edited by:Knipe, RJ, and Rutter, EJ. 15–28.
20. Teagle, DAH, Norris, RJ, and Craw, D. 1990. Structural controls on gold-bearing quartz mineralisation in a duplex thrust system, Hyde-Macraes Shear Zone, Otago Schist, New Zealand. Economic Geology, 85:1711–1719.
21. Turnbull, IM, Mortimer, N, and Craw, D. 2001. Textural zones in the Haast Schist:a reappraisal. New Zealand Journal of Geology and Geophysics, 44:171–183.
22. Williams, GJ. 1974. Economic geology of New Zealand, Monograph 4 Australasian Institute of Mining and Metallurgy.