Macraes Mine (Round Hill Mine; Frasers pit), Macraes Flat, Palmerston, Dunedin, Otago, South Island, New Zealand
|Latitude & Longitude (WGS84):||45° 22' 34'' South , 170° 27' 1'' East|
|Latitude & Longitude (decimal):||-45.37620,170.45040|
Open-cast gold mine working gold-scheelite deposits in lode shears, stockworks and disseminated stockworks within the gently dipping Hyde-Macraes Shear Zone (although scheelite is not being currently extracted due to metallurgical difficulties). Mined from a series of open pits extending 6km.
Located close to the settlement of Macraes Flat, and 15 km west of Palmerston and 80 km north of Dunedin, eastern Otago.
The Macraes Mine started in 1990, and in 2003 produced about 5,000 kilograms of gold. Production from 1990-2013 ~3 Moz of gold.
Owned by Oceana Gold Corporation.
20 valid minerals.
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
0 - 2.588 Ma
|Late Quaternary alluvium and colluvium|
Age: Pleistocene (0 - 2.588 Ma)
Stratigraphic Name: Pakihi Supergroup
Reference: Edbrooke, S.W., Heron, D.W., Forsyth, P.J., Jongens, R. (compilers). Geology Map of New Zealand 1:1 000 000. GNS Science Geological Map 2. 
0.0117 - 0.126 Ma
|OIS2 (Late Pleistocene) river deposits|
Age: Pleistocene (0.0117 - 0.126 Ma)
Comments: Late Pleistocene river deposits. Age based on geomorphic estimate
Reference: Heron, D.W. . Geology Map of New Zealand 1:250 000. GNS Science Geological Map 1. 
MacKenzie, D., L. Farmer, and D. Craw (2013) Multi-stage ore formation at the Macraes gold scheelite deposit Otago Schist, NZ. AusIMM New Zealand Branch Annual Conference 2013 pp 281-294