Preconference field trip (FT2) - Southern South Island Gold Fields

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Preconference field trip (FT2) - Southern South Island Gold Fields OVERVIEW: This field trip to the Otago and Southland goldfields, visits historic sites, and active mines and prospects.

gold produced since 1990. LEADER: Dave Craw Dave is Professor of economic geology at University of Otago in Dunedin, New Zealand.

1 Preconference field trip (FT2) - Southern South Island Gold Fields OVERVIEW: This field trip to the Otago and Southland goldfields, visits historic sites, and active mines and prospects. The trip will visit placer and orogenic gold deposits including the Macraes that is mined by open-pit and underground methods producing approximately 150,000 oz of gold annually, with more than 4 Moz gold produced since LEADER: Dave Craw Dave is Professor of economic geology at University of Otago in Dunedin, New Zealand. He has worked on gold and tectonically driven hydrothermal fluid flow in ancient and modern mountain belts around the world for more than 30 years. He has particular experience with orogenic and placer gold deposits of the South Island of New Zealand, including the Otago Schist and the world-class Macraes orogenic deposit. START: Fly to Dunedin (delegates to make their own flight bookings at their own expense). Assemble in Dunedin on Wednesday 27 March for an evening meet and greet, and overnight accommodation. END: Finishes in Dunedin late afternoon of Monday 1 April, Participants will need to organise their own onward travel arrangements from Dunedin to Auckland, or accommodation in Dunedin for those staying overnight. DURATION: Five days PROVISIONAL ITINERARY Wednesday 27 March: Assemble in Dunedin for an evening meet and greet. Overnight Dunedin. Thursday 28 March: Depart 8:00 am for Lawrence, placer deposit, site of Otago gold rush initiation Drive via Raes Junction to Southland, visit Waikaia active placer mine Drive to Queenstown for overnight. Friday 29 March: Drive to Glenorchy, visit historic scheelite mining area; involves 1-2 hours walking. Afternoon, drive to Skippers Canyon, orogenic and placer gold mining area. Return to Queenstown accommodation. Saturday 30 March: Drive to Rise & Shine historic orogenic and placer mining area, examine prospectivity with respect to abundant recent drilling and proposed open pit and heap leach mining.

2 Drive over Dunstan Range (weather and road permitting), visit Conroys Gully historic placer and orogenic mining area. Overnight in Alexandra. Sunday 28 March: Drive via Ophir historic placer and orogenic mining area to St Bathans historic placer mine. Visit Oturehua orogenic vein system, mined historically and extensively prospected recently. Overnight in Naseby. Monday 1 April: Drive via Hyde to Macraes mine; visit as can be arranged. Drive via Golden Bar road to Golden Bar pit for visit of old open cut. Drive to Dunedin for evening airport departure or overnight accommodation at delegates own expense. The evening (last) flight to Auckland is: Air New Zealand flight NZ678 departs Dunedin 6:05 pm and arrives 7:50 pm (1 hr 45 min) Note that there will be a PACRIM conference social event (at delegates expense) in Auckland the evening of Tuesday 2 April. The PACRIM technical programme commences the morning of Wednesday 3 April. INCLUDED: Road transport during the field trip Breakfasts and dinners for 5 days Accommodation (twin share) for 5 nights NOT INCLUDED: Flight to Dunedin for start of field trip Flight from Dunedin on completion of field trip Accommodation if required on the evening of Monday 1 April at completion of field trip Lunches and daytime snacks (stops will be made for participants to purchase these) Alcohol SPECIAL REQUIREMENTS: This geological trip assumes a normal level of field fitness. Participants will need to be able to walk for two or more hours over uneven terrain. Sturdy footwear is essential and wet weather gear, sun hat and sunscreen are advised. If you are a visitor to New Zealand, you should arrange for travel and medical insurance before travelling to New Zealand, because many medical services are not free to overseas visitors. MAXIMUM NUMBER OF PARTICIPANTS: 20 MINIMUM NUMBER OF PARTICIPANTS: 34 COST: NZ $2500 (Early bird) NZ $2800 (Standard) NOTE: This field trip is subject to confirmation and minimum numbers. Some activities may be weather dependent. FURTHER INFORMATION: Dave Craw at dave.craw@otago.ac.nz REGISTRATION: Visit ROUTE MAP

conglomerate dipping on left into a gently dipping

4 GALLERY Central Otago scenery Where it all began: Gabriels Gully, with Cretaceous auriferous conglomerate dipping on left into a gently dipping fault zone (right) that has been sluiced clean by mining.

5 Gold separation plant at the Waikaia mine. Photo: Noel Becker, Waikaia Gold Ltd. Headframe and boiler of the former Oturehua gold mine, Central Otago

6 Macraes gold mine, east Otago. Photo: OceanaGold. Macraes gold mine; Frasers Open Cut, east Otago

7 Former alluvial gold mine in Miocene sediments near St Bathans, central Otago Vineyard (foreground) in area of historic gold sluicing operations, Bannockburn

8 Examining a dip slope exposure of the Rise & Shine Shear Zone, Central Otago Outcrop of Rise & Shine Shear Zone with oxidised hydrothermal carbonate and sulphides

Pre-conference field trip (FT1) Geology and mineral deposits of New Caledonia

Pre-conference field trip (FT1) Geology and mineral deposits of New Caledonia OVERVIEW: This trip is a rare opportunity to visit New Caledonia in northern Zealandia, a tropical paradise, and explore key