|Latitude & Longitude (WGS84):||31° 37' 46'' South , 121° 39' 22'' East|
|Latitude & Longitude (decimal):||-31.62968,121.65614|
|Köppen climate type:||BSk : Cold semi-arid (steppe) climate|
A nickel mine located about 15 km SSE of Widgiemooltha.
Operated from 1991-1999, restarted in 2004.
Located in the middle of Lake Zot. During explorations a flood filled the lake, wrecking the exploration drillrigs, consequently the mine was named Mariners.
The deposit was discovered by Union Miniere and Anaconda Resources in the early 1970's but was not developed further due to a poor understanding of the local geology. Western Mining Corporation in the late 1980's developed a mine here from a decline on Wedding Guest Island in the middle of Lake Zot. The mine was purchased by Mincor Resources in 2001.
During Western Mining operations between 1991-1999 it produced 1 114 730 tonnes of ore at 2.53 Ni from 28 190 tonnes of nickel ore. The mine closed in 1999 due to flooding. After six months of pumping, the mine was de-watered and Mincor started mining operations which between 2004-2012 produced 1.14 million tonnes of ore at 2.6% Ni from 29 600 tonnes of nickel ore.
The orebody is hosted by a north plunging trough structure on the footwall of the contact with the Widgiemooltha Dome. It forms a series of partially overlapping kidney shaped pods of nickel sulphide ore arranged down the plunge line. Mariners has an extremely high arsenic content and common species found during the early days of mining were arsenopyrite, nickeline, gersdorffite and other arseno sulphide minerals. The komatiite host contains dominant talc-magnesite assemblages.
Commodity ListThis is a list of exploitable or exploited mineral commodities recorded at this locality.
10 valid minerals.
Rock Types Recorded
Select Rock List TypeAlphabetical List Tree Diagram
Entries shown in red are rocks recorded for this region.
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
2500 - 4000 Ma
|undivided sedimentary and volcanic rocks 74481|
Age: Archean (2500 - 4000 Ma)
Reference: Raymond, O.L., Liu, S., Gallagher, R., Zhang, W., Highet, L.M. Surface Geology of Australia 1:1 million scale dataset 2012 edition. Commonwealth of Australia (Geoscience Australia). 
|Neoarchean - Mesoarchean|
2500 - 3200 Ma
|Archean sedimentary rocks|
Age: Archean (2500 - 3200 Ma)
Comments: Yilgarn Craton
Lithology: Sedimentary rocks
Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529.