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Angola’s Dala project to get diamond recovery plant - Mosman Oil

01 september 2016
Mosman Oil and Gas, which has about 20 percent stake in GEM International that is currently exploring the Dala project in Angola, said a diamond recovery plant is being sourced and will be installed on site later this season.
It said the smaller volume gravel pumping operations would utilise jig type diamond recovery equipment using an x-ray recovery system on the concentrates and all tailings would be passed over diamond grease tables as a final recovery procedure.
“Oversize waste will be stockpiled for later processing,” said Mosman.
Diamonds of over 40 carats in weight had been recovered at Dala from the artisanal operations and the recovery procedures would be set up to maximise the ability of the system to recover larger stones.
Gem International reported last week that its operating partner, Global Gems International, had commenced the evaluation and production of diamonds from high priority areas highlighted as favorable for hosting alluvial diamond deposits on the 3,000 sq. km Dala alluvial mining licence.
Dala was an early stage project with potential for the discovery of both alluvial and kimberlite deposits.
The company was also in the process of reviewing an extensive database of information for both alluvial and kimberlite exploration by a previous operator at Dala with the objective of acquiring this information to assist the current work.
With data for over 900 alluvial sample sites and extensive information from kimberlite exploration this database will speed up the ability to prioritize initial work areas.
Mosman injected C$400,000 ($308,000) into Gem International, which had an option to acquire a 42 percent stake in the Dala diamond prospect, which lies 25 km south of the Catoca diamond mine.
Catoca, which is partly owned by Russia’s Alrosa, Angolan diamond company, Endiama and others, was fifth largest diamond mine in the world.

Mathew Nyaungwa, Editor in Chief of the African Bureau from Gaborone, Botswana, Rough&Polished