Glencar Exploration Update

Glencar Mining PLC 04 February 2005 Glencar Mining plc ('Glencar' or the 'Company') Glencar Exploration Update Glencar Mining plc is pleased to announce details of the progress on its exploration activities in Mali, Ghana and Uganda. Work has proceeded satisfactorily and according to plan on all three projects. Sankarani Project, Mali Fifteen high priority targets were identified in the recently completed regolith study and detailed, follow up geochemical sampling has now been completed on eight of the fifteen targets. A geophysical study of the area has also been completed based on the recently flown aeromagnetic survey, the results of which were released by the Mali Government in June 2004. A detailed geological/ structural mapping programme is expected to be completed before end March 2005. The objective of the current work programme is to define between three and five drilling targets prior to end March 2005. The geochemical sampling results have been important in the definition and prioritisation of the selected targets. These results will be assessed in conjunction with the geophysics and the detailed geological/structural mapping to assist in the final definition of the drill targets. Discussions have already opened with drill contractors in the region. Asheba Project, Ghana The pitting programme around the Atinasi North area has been completed. Results received to date confirm the potential extension of the drill intersected mineralisation both to the northwest and to the northeast of the existing Atinasi drill grid. In addition, positive results from pits excavated and sampled along two traverse lines crossing the inferred contact of the greenstone with a dioritic intrusive body some 250m northwest of the Alabee zone appear to confirm the prospectivity in this direction also. A structural mapping study has recently been completed by a specialist consultant and his report is expected during February. A geostatistical analysis of the drilling results to date has been commissioned and will be completed before end February. We expect to be in a position then to determine the next round of drilling at Asheba which will be commenced as soon as possible thereafter. The drill results already obtained at Atinasi North highlight the prospectivity of this area, with intersections of 3 metres at 20.5 grams/tonne, 9 metres at 11.0 grams/tonne and 12 metres at 12.1 grams/tonne indicating clear potential for a commercial discovery. Buinja Project, Uganda Results have been received for the October/November field programme which comprised of trenching, pitting and rock float sampling. Gold mineralisation intersected was low grade and over narrow width. At Nasango the best grade was 1metre at 1.4grams/tonne from a horizontal channel at a depth of 4 metres in the pit at the northern end of the profile. At Namaingo the pit profile line produced 3 anomalous pits with highest grade of 0.45grams/tonne from a 1 metre horizontal channel sample at 2.2 metres depth. The best grade from the short trenching programme at Namaingo was 1metre at 0.3grams/tonne. At Siavona we have extended the mapping and float sampling programme that had yielded the auriferous rock samples believed to be close to their in situ source. 76 additional rock samples were collected at Siavona. None of the samples yielded significant gold values. A pitting programme is planned for Glencar's other concession area adjacent to the Tira mine, before the end of April 2005. Outlook We are pleased with exploration progress so far. At Asheba, we believe that the time and resources invested in the careful and comprehensive review of the results to date, coupled with the work in hand, referred to above, will benefit the upcoming drill programme there. The results from the Sankarani Project in Mali continue to confirm our view that these licences, with their very favourable geological and structural setting, show the potential to host gold deposits of world class such as those at Morila and Sadiola, just two of the currently operating major deposits in a similar setting in Mali. We hope that the work programme which we are currently engaged in will lead to an exciting and successful drilling programme at Sankarani early in the second quarter of 2005. For further information contact: Hugh McCullough Chief Executive Glencar Mining plc Tel: + 353 1 661 9974 Fax: + 353 1 661 1205 This announcement has been issued through the Companies Announcement Service of The Irish Stock Exchange This information is provided by RNS The company news service from the London Stock Exchange
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