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petrie bs craw d ryan cg geological controls on refractory ore in an orogenic gold deposit macraes mine new zealand

  • Geochemical and mineralogical controls on mine

    Geological controls on refractory ore in an orogenic gold deposit, Macraes mine, New Zealand. Mineralium Deposita. 40: 45 58. doi: 10.1007/s00126-005-0467-y, ), and variably clay-altered rocks from immediately below the regional unconformity (Craw 1994 Craw D. 1994.

  • Structure and geochemistry of the Rise & Shine Shear

    Geological controls on refrac- Teagle DAH, Norris RJ, Craw D 1990. Structural controls on gold- tory ore in an orogenic gold deposit, Macraes mine, New bearing quartz mineralization in a duplex thrust system, Zealand.

  • Mineral resource assessment of the West Coast Region, New ...

    classifying a mineral deposit type are: tectonic setting, structural controls, host rock lithology, form of the deposit, main economic elements or minerals, mineralogy of ore and host rocks, and geochemical and geophysical characteristics.

  • Synmetamorphic carbon mobility and graphite

    The Macraes orogenic gold deposit is hosted by a graphitic micaceous schist containing auriferous porphyroblastic sulphides.

  • Browse by theses type PhD Open Access Repository

    ... with minifie and Liennetz Ore Zones, Ladolam gold deposit, ... Petrie 1951, 'The east-west ... turbidite-hosted orogenic au deposits of Otago, New Zealand: ...

  • gangue: Topics by Science.gov

    May 01, 2018· The genesis of orogenic gold deposits is commonly linked to hydrothermal ore fluids derived from metamorphic devolatilization reactions. However, there is considerable debate as to the ultimate source of these fluids and the metals they transport. Tourmaline is a common gangue mineral in orogenic gold deposits.

  • Geological controls on refractory ore in an orogenic gold ...

    Disseminated pyritic ore in Frasers pit at the Macraes mine is refractory in that less than 50% of gold (10% for one sample) is recovered from this ore by cyanide leaching after grinding to 15 μm. This ore type formed by hydrothermal alteration of micaceous schist during a ductile mineralisation stage associated with brittle-ductile development of the

  • Faculty of Sciences School of Agriculture Food and ...

    New Zealand Journal of Agricultural Research. 50 (4): ... Ryan CG; Vogt S ... Tellurides from Sunrise Dam gold deposit, Yilgarn Craton, Western Australia: A new ...

  • New Zealand Journal of Geology and Geophysics

    Geological controls on refractory ore in an orogenic gold deposit, Macraes mine, New ... Petrie, BS, Craw, D and Ryan, CG. ... Zealand. New Zealand Journal of Geology ...

  • Research and Services John de Laeter Centre

    As part of the development of the Re-Os method in the John de Laeter Centre, we have recently determined a Re-Os age for molybdenite from the Central Bore gold prospect within the Yamarna terrain, in the eastern Yilgarn craton (Fuller et al., AESC proceedings, Newcastle, 2014).

  • Browse by type Article Open Access Repository

    ... BS and Jiang, D ... police', Australian and New Zealand Journal ... epithermal conditions at the Lohir gold deposit: implications for ore genesis and ...

  • Lithologically controlled invisible gold, Yukon, Canada ...

    Lithologically controlled invisible gold, Yukon, Canada. Download. Lithologically controlled invisible gold, Yukon, Canada. Author. Doug MacKenzie ...

  • gold mining community: Topics by Science.gov

    Jul 01, 2018· Multiple metals exposure in a small-scale artisanal gold mining community. PubMed. Basu, Niladri; Nam, Dong-Ha; Kwansaa-Ansah, Edward; Renne, Elisha P; Nriagu, Jerome O. 2011-04-01. Urinary metals were characterized in 57 male residents of a small-scale gold mining community in Ghana.

  • Otago Gold Report slideshare.net

    ... South Island, New Zealand. Geological Society ... Petrie BS, Craw D, Ryan CG 2005. Geological controls on refractory ore in an orogenic gold deposit, Macraes mine

  • Lithologically controlled invisible gold, Yukon, Canada ...

    Lithologically controlled invisible gold, Yukon, Canada; Post ... ARTICLE Lithologically controlled invisible gold, Yukon, Canada Doug MacKenzie & Dave Craw & Craig ...

  • Web of Science Web of Science Core Collection ...

    Geological controls on refractory ore in an orogenic gold deposit, Macraes mine, New Zealand. By: Petrie, BS; Craw, D; Ryan, CG.

  • Antimony Mobilization through Two Contrasting Gold Ore ...

    Petrie BS, Craw D, Ryan CG (2005) Geological controls on refractory ore in an orogenic gold deposit, Macraes mine, New Zealand. Miner Depos 40:4558 CrossRef Google Scholar Pitcairn IK, Teagle DAH, Craw D, Olivo GR, Kerrich R, Brewer TS (2006) Sources of metals and fluids in orogenic gold deposits: insights from the Otago and Alpine

  • eCite Browse by Year

    Bakker, N and Richardson, BJ, Breaching the Maginot Line: the frailty of environmental law in Europe and North America, Environmental Law for a Sustainable Society, New Zealand Centre for Environmental Law, K Bosselmann, D Grinlinton and P Taylor (ed), New Zealand, pp. 51-64.

  • Full text of "NEW" archive.org

    Full text of "NEW" See other formats ...

  • Otago Gold Report Slides 123Slide.Org Upload and ...

    Origin of Torlesse and related rocks, South Island, New Zealand. Geological Society of America Bulletin 94: 967985. Mortimer N, Roser BP 1992. Geochemical evidence for the position of the Caples-Torlesse boundary in the Otago Schist, New Zealand. Journal of the Geological Society London 149: 967977. Petrie BS, Craw D, Ryan CG 2005.

  • eCite Browse by Year

    ... RM and Craw, D and Wilson, ... Mike, Isotopic geochemistry of the Sawayaerdun orogenic-type gold deposit, Tianshan, ... New Zealand Journal of Geology and ...

  • gangue: Topics by Science.gov

    May 01, 2018· Geometallurgy of ironsand from the Waikato North Head deposit, New Zealand. USGS ... in an iron ore mine. The geological ... orogenic gold ore ...

  • (PDF) Disseminated gold in ankeritic alteration...

    Orogenic gold-bearing quartz veins in the middle Tertiary Bullendale Fault Zone, New Zealand were mined historically for coarse gold in a narrow zone (ca. 5 m thick). However, recent drilling has revealed a broad hydrothermal alteration zone extending into the host schist, in which disseminated sulphide and gold mineralisation has occurred.

  • Archaean Geochemistry, The Origin and Evolution of the ...

    In the case of the refractory elements Ti. Wanke. AIIYb. New ... in reduced form in component A and. controls the depth of the ... Ore lead isotope ratios ...

  • placer gold mining: Topics by Science.gov

    Jun 05, 2018· The greenstone belt terranes have an orogenic gold ... Occurrences of dendritic gold at the McLaughlin Mine hot-spring gold deposit. ... Gold Mine Ore ...

  • The West Coast Minerals Resource Assessment Report Issuu

    The geology of much of the West Coast region was mapped at 1:63,360 for the New Zealand Geological Survey bulletins by Bell & Fraser (1906), Morgan (1908, 1911), Morgan & Bartrum (1915), Henderson (1917), Suggate (1957) and McPherson (1978), and for the first edition of the 1:250,000 geological map series by Bowen (1964),

  • Geometry and petrography of stockwork vein swarms, Macraes ...

    Geometry and petrography of stockwork vein swarms, Macraes mine, Otago Schist, New Zealand

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