| Mimosa mine | |
| Pushpin Map: | Zimbabwe |
| State/Province: | Midlands Province |
| Country: | Zimbabwe |
| Products: | platinum |
The Mimosa mine is a large underground mine located in the southern part of Zimbabwe in the Zvishavane District of Midlands Province. Mimosa was the first platinum mine in the Great Dyke of Zimbabwe.[1] It had, as of 2012, platinum reserves estimated at 7.9 million ozs of platinum.[2] The mine produces around 120,000 oz of platinum/year.
1. 1926 - 60oz extracted from oxides. 2. 1966 - 2 vertical shafts sunk – trial mining – 40 000 t processed. 3. 1971 - Operations suspended.4. 1975 - Blore Shaft established – 90 000 t processed. 5. 1978 - Operations suspended.6. 1990 - Bulk sample to Mintek for test work. 7. 1990/94 - Reserve estimates and feasibility studies completed. 8. 1995 - Current operations started @ 212tpd. 9. 2003 - Current process – 4050tpd.
Mimosa is wholly owned by Mimosa Investments Limited, a Mauritius-based company jointly held by Implats and Sibanye-Stillwater in a 50:50 joint-venture.
The Mimosa Mine is located on the Wedza Geological Complex in the Zimbabwean Great Dyke east of Bulawayo.[3]
1. Capital cost US$38.1million 2. Funding – US$30 million Implats equity – Operational flows 3. Mill commission – Nov 2002 4. Full mill throughput – Jan 2003 5. Full mining tonnage – Sept 2003
1. Design from Mintek test work and past operations 2. 3 stage crushing 2MF circuit 4e recoveries – 80.6% 3. Produce final concentrate 4. Road transport concentrate to Implats 5. Long-term concentrate off take agreement