MKD5 Nickel Deposit.

About MKD5 Nickel Deposit

The Mount Keith orebody is an economically mined, low grade, disseminated nickel sulphide deposits. Considered one of the worlds largest cut nickel mine, it is located some 425 km north of Kalgoorlie in the Archaean Yilgarn Craton of Western Australia.

 

The pit is 2.4 kilometres long by 1.4 kilometres wide by 300 metres deep. The deposit is mineralogically diverse due to hydrothermal alteration overprinting.

Use of Micro-XRF on MKD5 Nickel Deposit Samples

Micro-XRF technology is being applied to the MKD5 nickel sulphide deposit in Western Australia, to better understand the weathering processes within the overlying regolith.

 

The project focuses on samples taken from the various regolith units over the mineralised olivine mesocumulate rocks. The micro-XRF will provide a detailed insight into the mineralogy, textures and chemical zoning of the samples, and enable chemical and mineralogical trends to be delineated through the units on a macro- and micro-scale.

Collapsed Ferruginous Saprolite

Figure 1a: Mosaic: Collapsed ferruginous saprolite from MKD5 nickel sulphide deposit, Western Australia

Figure 1b: Fe and Ni elemental map: Collapsed ferruginous saprolite from MKD5 nickel sulphide deposit, Western Australia

Figure 1c: Si, Fe and Ti elemental map: Collapsed ferruginous saprolite from MKD5 nickel sulphide deposit, Western Australia

Serpentinised Olivine Cumulate

Figure 2a: Mosaic: Serpentinised Olivine Culmulate from MKD5 nickel sulphide deposit, Western Australia

Figure 2b: Ni, Fe and S elemental map: Serpentinised Olivine Culmulate from MKD5 nickel sulphide deposit, Western Australia

Figure 2c: Mn, Cr and Ca elemental map: Serpentinised Olivine Culmulate from MKD5 nickel sulphide deposit, Western Australia

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