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This article participates on the following special index pages:
Marange, Chiadzwa and other diamond fields and the Kimberley Process - Index of articles
Marange
in diamonds exploration
John Kachembere, Daily News
July 26, 2013
http://www.dailynews.co.zw/articles/2013/07/26/marange-in-diamonds-exploration
Diamond miner
Marange Resources (Private) Limited (Marange) is planning exploration
activities in Buhera and Chimanimani.
The Zimbabwe
Mining Development Corporation (ZMDC) wholly-owned subsidiary, whose
principal operations are in Manicaland’s
Marange fields is also reportedly in talks with Mbada Diamonds
to enhance their cooperation in exploration.
Mark Mabhudhu,
Marange’s chief operating officer said the company was ready
to be on the ground once it gets an environmental assessment certificate.
“We have
engaged the Scientific and Industrial Research and Development Centre
(SIRDC) to conduct the environmental impact assessment study for
the diamond exploration project,” he said.
Mabhudhu said
the company which is also involved in extraction, processing and
sorting of diamonds will however, not be looking for a partner to
help it in the exploration activities.
“We will
be doing the exploration on our own and we hope to create employment
should we find more diamonds in the areas,” he said.
Zimbabwe holds
the number six spot in terms of world diamond deposits and a potential
to control about 25 percent of diamond supply, the country currently
produces about 8,2 million carats annually and is vigorously pursuing
efforts to value add its minerals, particularly diamonds.
In March this
year four kimberlitic pipes rich in diamonds were discovered in
Budzi communal lands in Bikita near the border with Manicaland Province.
The four rock
formations infested with diamonds discovered here, experts say,
are likely to see Zimbabwe consolidating its position as one of
the top world diamond producers.
Obed Dube, Marange
chief executive told businessdaily that the company planned to double
its production from the current 115 tonnes per hour dense medium
separation plant due to state-of-the-art diamond recovery technology
acquired by the firm.
The new technology
known as the X-Ray Transmography (XRT) is similar to the one used
by major diamond-producing nations such as Russia, South Africa
and the Democratic Republic of Congo and costs an estimated $250
000.
It enables diamond
sorters to separate rubble from mined diamonds during the grading
process.
Also, the machine’s
enhanced selectivity technique allows for the recovery of diamonds
only and limits the extraction of other problematic minerals whose
behaviour is similar to diamonds when exposed to X-ray radiation.
Marange is currently
mining both alluvial and conglomerate diamonds in Chiadzwa.
The alluvial
mining is expected to continue through to 2014 by which time the
open pit mining for conglomerate will have been finalised.
Ultimately,
it is envisaged to develop into an underground mine.
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