Re Joint Venture

SouthernEra Diamonds Expands African Exploration Program Company in Discussions with Diamond Majors on Potential Joint Ventures Shares Issued and Outstanding: 102,066,601 TSX: SDM AIM: SRE TORONTO, June 23 /CNW/ - SouthernEra Diamonds Inc. ("SouthernEra") (TSX: SDM, AIM: SRE) announced today that the Company has expanded its African exploration program through the conclusion of a joint venture agreement with Rockover Resources Limited over the Tsholotsho Diamond Project in Zimbabwe. The Tsholotsho Diamond Project is situated in western Zimbabwe and consists of 21 granted and a further 7 "under application" prospecting permits covering an area in excess of 14,000 km(2) underlain by basement Archaean granite-gneiss of the Kalahari Craton. The Botswana/Zimbabwe border forms the western boundary of the permit area. This project area is considered highly prospective for primary diamondiferous kimberlite deposits and lies within what is known as the "Orapa Kimberlite Track", which is a southwest - northeast trending kimberlite emplacement corridor extending from Botswana into Zimbabwe. The Orapa Kimberlite Track hosts some of the world's largest diamond mines, including De Beers' Orapa and Lethlekane diamond mines in Botswana, which together produce approx. 17 million carats per annum. Rio Tinto's recently discovered Murowa diamond mine in Zimbabwe, situated some 170km to the south-east of the Tsholotsho Diamond Project, is expected to produce approx. 200,000 carats in 2005. Zimbabwe's diamond industry commenced with the discovery of alluvial diamonds in 1903 followed by the discovery of the first diamondiferous kimberlite pipe, Colossus, in 1907. There are more than eighty known kimberlite bodies in Zimbabwe, most discovered by Rio Tinto and DeBeers. Zimbabwe's first diamond mine, River Ranch, commenced production in the early 1990's. Currently the bulk of Zimbabwe's diamond production is from Rio Tinto's Murowa diamond mine. The first phase of exploration at the Tsholotsho Diamond Project is focused on locating the kimberlite sources to three geographically isolated stream sediment kimberlitic indicator mineral anomalies, two of which contain microdiamonds. These anomalies were discovered in the 1990's by gold explorers. The area has never been prospected by Rio Tinto or De Beers. A reconnaissance program of loam sampling has already commenced within the anomalous areas and a regional sampling survey to test the potential of the entire project area is also currently underway. To fast track the program, SouthernEra has established an in-house sample processing laboratory in Zimbabwe. In parallel, SouthernEra has processed approximately 200 archived Rockover Resources Limited gold concentrate samples from the Tsholotsho Diamond Project at its South Africa-based in-house laboratory. More than fifty of these samples have to date returned positive kimberlitic indicator minerals results, including some with diamond inclusion mineral chemistry. In addition, joint venture partner Rockover Resources has made available to SouthernEra the magnetic data from six airborne surveys previously conducted over the project area. The data has been reprocessed by SouthernEra and is currently being evaluated for kimberlite targets. SouthernEra is able to earn up to a 100 percent interest in the project through the funding of a multi-year exploration program and by paying Rockover Resources a sliding scale royalty linked to the dollar per tonne rock value of any discovery. SouthernEra also reported today that the Company is currently engaged in discussions with global diamond majors which may result in the conclusion of joint venture agreements over some of the Company's exploration projects. Shareholders will be kept informed of developments in this regard. Uwe Naeher, Professional Geologist, is the qualified person under NI 43-101 responsible for the information in this release. Zimbabweis one of six countries in which SouthernEra is engaged in diamond exploration. Advanced exploration is also underway in Canada, Australia, the DRC, Gabon and South Africa. The Company also operates the Klipspringer Diamond Mine in South Africa and maintains an 18 percent free- carried interest in the Camafuca Diamond Project in Angola. This represents the fourth most active global diamond program after the majors DeBeers, BHPB and RioTinto. Some statements contained in this news release are forward-looking and, therefore, involve uncertainties or risks that could cause actual results to differ materially. Such forward-looking statements include comments regarding exploration work. Actual results could differ materially from those anticipated. The Company disclaims any obligation to update forward-looking statements. For further information: SouthernEra Diamonds Inc., Howard Bird, Vice President Exploration, or Sharon Allan, Investor Relations, Telephone: (416) 359-9282, Fax: (416) 359-9141, E-mail: inbox(at)southernera.com, www.southernera.com (SDM. SRE)
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