(MWA) Mwana Africa
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| 02-02-12 | RNS |
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RNS Number : 6501W Mwana Africa PLC 02 February 2012 2 February 2011 Mwana Africa PLC ("Mwana", the "Group" or the "Company") 41% Increase in Zani-Kodo gold resource Mwana Africa PLC is pleased to announce a 41% increase in the JORC compliant gold resource at its 80% owned Zani-Kodo gold prospect in the Ituri region of north eastern DRC. Highlights · The total combined resource for the Zani-Kodo project now stands at 2.01Moz (based on a cut-off grade of 0.5g/t), a 41.5% increase in ounces since July 2011. The areas covered by the Zani Kodo resource update include Kodo Main, Badolite and Zani Central:
Kodo Main · Indicated gold resources increased by 44.4% to 449koz, at an average grade of 3.94g/t, a grade increase of 35.6%. · Inferred gold resources increased by 3.4% to 947koz, at an average grade of 4.06g/t, a grade increase of 18.5%. · The total JORC compliant combined resource at Kodo now stands at 1.4Moz at an average grade of 4.02g/t.
Badolite · JORC compliant inferred resources increased by 9.2% to 211koz, at an average grade of 2.34g/t, the same grade as in July 2011.
Zani Central · A newly defined JORC compliant inferred resource of 399koz at an average grade of 1.28g/t.
Kalaa Mpinga, CEO of Mwana, commented:
"The increased tonnage and grade of our resource at Zani-Kodo, announced today, confirms our belief that we have a world class gold deposit situated in a new, major, emerging gold province now developing in Africa."
The resource update covers the Kodo Main, Badolite and Zani Central areas of Mwana's 80% owned Zani Kodo exploration project in the Ituri Region of north eastern DRC. Table 1 summarises the results.
Note: Cut-off grade of 0.5g/t utilised Table 1: Zani-Kodo resource calculation figures, February 2012
The positions of the resources and exploration targets along the Zani-Kodo trend are shown in Figure 1.
Kodo Main A further five diamond holes have been drilled since July 2011 to target the downdip extension of the Kodo Main ore zone. All holes intersected the mineralised zone as predicted and confirmed excellent continuity of both widths and grades in this area. Results are summarised in Table 2:
*Measured widths, not true widths. Table 2: Recent drilling results, Kodo Main downdip extension
A detailed reinterpretation of the Kodo drilling data was undertaken taking into consideration all available geological information including newly drilled holes, downhole structural data, detailed lithological logging, and field observations. This resulted in the definition of a robust structural model, with mineralisation related to a thrust fault system which has been disrupted by late vertical faults. The bulk of the Kodo mineralisation is situated along a basal thrust at the contact between Banded Iron Formations ("BIF's") and a competent footwall meta-greywacke. Hanging wall zones have been remodeled as steeper splay structures. The thrust system has been subsequently disrupted by late NE trending vertical faults which define distinct blocks across the deposit (Figure 2). Figure 3 presents a cross section through the central portion of Kodo main orebody showing grade continuity. The new structural model has allowed for a considerable reduction in dilution, resulting in a lower tonnage, but significantly higher grade in the Kodo area. The Kodo Main area remains open at depth.
Badolite This area is situated on the Zani-Kodo trend 1.5km to the south of Kodo Main (Figure 1). One further hole was drilled at the Badolite area to fully close off the mineralisation against the NNE trending fault which marks the southern limit of the deposit. This has resulted in a 9% rise in the inferred resource in this area. The Badolite area remains open at depth.
Zani Central Drilling was completed at this target area which covers 650m strike length of the Zani-Kodo trend immediately south of Badolite (Figure 1). Results are shown in Figure 4, which shows a continuous, broad low grade zone, with local high grade areas (Figure 5). The Zani Central area remains open at depth.
Summary The detailed reinterpretation at Kodo along with the definition of significant resources along the Zani-Kodo trend has clarified the geological model of the area and confirmed the further potential of the area along the full 9km strike length of the mineralised structure. To date, 317 holes for 70,656m have been drilled at Zani Kodo, with only 3.2km of the total strike length drilled to date.
Drilling in 2012 will extend outwards along the strike of the Zani-Kodo trend, and will initially focus on the following areas: · Gombiri: This target occurs immediately south of Zani Central. Drilling has already commenced and visible mineralisation has been identified (Figure 1). · Kodo Northern Extension: Sheared BIF's and sulphides have been identified by trenching in this area, which occurs to the north of a barren fault block defined by NE trending structures (Figure 1). · Zani South: The offset continuation of sheared BIF's along the southern continuation of the Zani-Kodo trend. · Lelumodi area: This area is interpreted to contain steep hanging wall splays and has been the focus of previous artisanal working. The area is situated in the northern portion of a3,000m strike length gold in soil anomaly which extends to the south and is considered highly prospective.
For figures 1-5, please click on the link below: http://www.rns-pdf.londonstockexchange.com/rns/6501W_-2012-2-1.pdf
Charl du Plessis, Executive Vice President Exploration of Mwana Africa, who holds a PhD and is a Member of the AusIMM, is a 'Qualified Person' as defined in the AIM Rules. The exploration and resource information contained in this report pertaining to Zani Kodo have been reviewed and verified by Dr Du Plessis.
Enquiries: Mwana Africa PLC Tel: +44 (0)20 7654 5580 Donald McAlister / Lorenz Werndle
Nominated Adviser and Broker Ambrian Partners Limited Tel: +44 (0) 20 7634 4700 Richard Morrison / Jen Boorer
Joint Broker XCAP Securities plc Jon Belliss / John Grant / Parimal Kumar Tel: +44 (0)20 7101 7070
Public Relations Merlin Tel: +44 (0)20 7726 8400 David Simonson Anca Spiridon
This information is provided by RNS The company news service from the London Stock Exchange More |
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| 27-01-12 | RNS |
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RNS Number : 2698W Mwana Africa PLC 27 January 2012 27 January 2011 Mwana Africa PLC ("Mwana", the "Group" or the "Company") Operations and Exploration Update Mwana Africa PLC is pleased to provide an update on operations and exploration activity for the quarter ending 31 December 2011. Highlights · Freda Rebecca gold mine: 11,573 ozs of gold produced during the quarter, taking production for the 6 months since commissioning of mill 2 to 25,259 ozs. · Zani Kodo gold exploration project: drilling results from Zani Central and Kodo Downdip Extension indicate excellent continuity of the broad mineralized zone both at depth and along strike Kalaa Mpinga, CEO of Mwana, commented:
"Looking back on the last quarter, Freda Rebecca has experienced some short term processing issues with the mills; these are to be expected after the commissioning of the second mill and ramp up in production rates. The mine management is focusing on optimising and fine-tuning the production processes.
We are delighted with the very promising results from the Zani Kodo gold exploration programme, continuing to confirm what we feel is the tremendous potential at this asset. An update on the Zani resource will be announced shortly."
Freda Rebecca Gold Mine A total of 11,573 ounces ('ozs') of gold were produced during the quarter ending December 2011. Average monthly production for the quarter was 3,858 oz. During the six month period following the commissioning of the second milling circuit a total of 25,259 ozs have been produced.
Note: figures shown are unaudited and may vary upon final audit During the quarter underground rock moving operations performed to expectations. The reduction in grade was attributable to a short term variation associated with a low grade portion of ore exposed during the commissioning of a new mining block. Mill throughput was adversely affected by two mechanical failures during the quarter. Mill1 experienced high non drive end bearing temperatures associated with alignment issues through the drive train. Mill 2 had a mechanical failure on the air clutch assembly. In addition mill throughput was further affected by down time of leach tanks within the circuit. Down time at the leaching circuit had an additional negative impact on residence time, resulting in low recoveries. Repairs have been carried out on Mill 1 and 2, and, leach tank availability has improved due to improved operational control and focus on ensuring correct mill grind and improved operation of classification circuits. Freda Rebecca continues to engage the government of Zimbabwe on the issue of indigenization and management remains optimistic that this will be resolved. Further information about Freda Rebecca Gold Mine can be found at: www.mwanaafrica.com/operations-and-exploration/zimbabwe/freda-rebecca-gold-mine
Zani-Kodo JV Zani Central Drilling was completed at the Zani Central target, which covers 650m of the Zani-Kodo trend (Figure 1), in the previous quarter. Results for 13 holes were received in the December quarter and are shown in Table 1 with the location of intersections in Figure 2. The results indicate the continuity of a broad (12-37m) zone of low grade mineralization with narrow high grade portions locally. In the central portion of the target a near surface high grade zone is present with a best intersection of 17m @ 4.09g/t including 11m @ 6.17g/t in hole ZNCDD054. The zone dips to the east at around 50°and is continuous along strike with 650m identified to date. The zone remains open at depth and to the south. A typical cross section is shown in Figure 3.
Table 1: Results received from Zani Central area, Dec 2011 quarter *Measured widths not true widths
Drilling in 2012 will continue directly south of Zani Central at the Gombiri target (Figure 1).
Kodo Downdip Extension Drilling was ongoing in this area to the east of the Kodo Main zone (Figure 1). Results for the first five holes were received during the quarter and indicate excellent continuity of the broad mineralized zone both at depth and along strike. The results are summarized in Table 2 with the location of the intersections relative to previous drilling shown in Figure 4.
Table 2: Results received from Kodo Downdip Extension, Dec 2011 quarter *Measured widths not true widths
Drilling is ongoing at Kodo and will initially target the downdip extension of the southerly portion of the Kodo Main zone.
For figures 1-4, please click on the link below: http://www.rns-pdf.londonstockexchange.com/rns/2698W_-2012-1-26.pdf
Further information about Zani Kodo can be found at: www.mwanaafrica.com/operations-and-exploration/drc/zani-kodo-project
Bindura Nickel Corporation BNC's assets remained on care and maintenance for the quarter ending 30 December 2011, successfully maintaining the integrity of the assets whilst restart funding is sought. BNC continues to engage the government of Zimbabwe on the issue of indigenization and management remains optimistic that this will be resolved. The Trojan Mine remains ready to resume production subject to BNC securing the required restart funding, with all the processes up to the tertiary crushers having been hot commissioned in the previous financial year. Limited development and drilling continues to be undertaken at Trojan. The mine hoisted 4,698 tonnes of waste and 32 tonnes of ore during the quarter as part of its care and maintenance programme. Total underground development during the care and maintenance programme stood at approximately 1,132mat the end of December 2011. The current development is targeting key priority areas included in the restart plan.
Further information about Bindura Nickel Corporation can be found at: www.mwanaafrica.com/operations-and-exploration/zimbabwe/bindura-nickel-corp-bnc
Katanga Concessions (SEMHKAT) Exploration during the December quarter of 2011 concentrated mainly on Lunsano and Kakosa. These areas are located in license areas PR753, PR754, PR757 and PR758 (Figure 5). Lunsano The Lunsano area hosts a copper anomaly that has been subdivided into three areas: a Southern copper anomaly (6km by 1km), a Northern copper anomaly (6km by 500m) and an Eastern copper anomaly (3km by 300m) in areal extent and of +100ppm Cu tenor (Figure 6 shows a general view of these anomalies). The Lunsano area overlies Roan units which have a known high potential for Cu-Co mineralization. Detailed geological mapping, utilising trenching and pitting, continued at Lunsano during the period. Atotal of 95 pits and 357m of trenching were completed in the area during the period. 176 pits, including pits from previous quarters, were rehabilitated. Pitting and trenching statistics were as follows:
Table 3. Lunsano pitting and trenching statistics Currently trenching is investigating the potential of the Kibandawepala ("Bald") Hill metadolerite and pitting is set to investigate the spatial relationship of the Northern and Eastern anomaly to the geology. Infill soil sampling was carried out on a grid of 500m by 200m which was then reduced to 200m by 50m. A total of 2,191 soil, trench and pit samples from Lunsano were taken. Sampling for this period at Lunsano is summarized in Table 4.
Table 4. Lunsano sampling statistics A total of 1927 soil and pit samples were dispatched for assaying over the period. Sample preparation of pit and trench samples is on-going. Samples taken from pits and trenches at Lunsano and Kibolwe will be analyzed by Niton. A total of 3,812 soil, termitaria, trench and pit sample results were received and updated on plans. Figure 6 shows updated soil geochemical results at Lunsano.
Kakosa A total of 443 soil samples were taken on a grid of 200m by 50m and are yet to be sent to the laboratory (Table 5). Soil sampling was stopped in November due to heavy rains in the area. This re-sampling is aimed at verifying historical anomalous data.
Table 5. Kakosa soil sampling
Kitemena-Kitungulu A total of 224 soil sample results were received for the Kitemena Grid (PR754). Sampling was done on a grid 1km by 400m. The sampling was aimed at assessing the repeated thrusts (structural target) in conglomerate as interpreted in the area (Figure 7). The results reveal that the high copper values are associated with the aeromagnetic highs and the contact between the Grand Conglomerat units and shale. Infill soil surveys are planned to follow up. The Kitemena-Kitungulu crew was moved to Lunsano to assist in progressing it rapidly to a drilling stage. The exploration programme at the concession will focus on Lunsanoover the coming period (detailed geological mapping, trench and pit sampling). With the recent acquisition of a Niton portable XRF instrument, Niton analysis will be utilised to screen all samples before submission to the laboratory. It is anticipated that utilising this instrument will result in a more rapid focusing on areas for additional (e.g. infill) sampling and ultimately drilling. Project generation, review and implementation remain a major focus of the exploration work in Katanga. For figures 5-7, please click on the link below: http://www.rns-pdf.londonstockexchange.com/rns/2698W_-2012-1-26.pdf Further information about the Katanga Concessions can be found at www.mwanaafrica.com/operations-and-exploration/drc/katanga-concessions
Charl du Plessis, Executive Vice President Exploration of Mwana Africa, who holds a PhD and is a Member of the AusIMM, and, James Arthur, Executive Vice President Operations of Mwana Africa, Fellow of the Southern African Institute of Mining and Metallurgy, are 'Qualified Persons' as defined in the AIM Rules. The exploration and resource information contained in this report pertaining to Zani Kodo and SEMHKAT have been reviewed and verified by Dr Du Plessis, and, the resource information contained in this report pertaining to Trojan mine, Shangani mine, Hunters Road and Freda Rebecca Gold Mine have been reviewed and verified by Mr. Arthur.
Enquiries: Mwana Africa PLC Tel: +44 (0)20 7654 5580 Donald McAlister / Lorenz Werndle
Nominated Adviser and Broker Ambrian Partners Limited Tel: +44 (0) 20 7634 4700 Anthony Rowland / Jen Boorer
Joint Broker XCAP Securities plc Jon Belliss / John Grant / Parimal Kumar Tel: +44 (0)20 7101 7070
Public Relations Merlin Tel: +44 (0)20 7726 8400 David Simonson Anca Spiridon This information is provided by RNS The company news service from the London Stock Exchange More |
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| 12-01-12 | RNS |
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RNS Number : 4746V Mwana Africa PLC 12 January 2012
Mwana Africa PLC (the "Company")
Holdings in Company
London, 12 January 2012- The Company was notified by Libra Advisors LLC on 11 January 2012 that on 10 January 2012, Libra Fund II (Luxembourg) S.a.r.l. had holdings in the Company of 24,188,406 ordinary shares, representing 3.4 per cent of the total voting rights attached to the issued share capital of the Company, being 717,900,708 ordinary shares.
Enquiries:
Mwana Africa PLC Donald McAlister, Finance Director Tel: +44 (0)20 7654 5580
Nominated Advier and Broker Ambrian Partners Limited Anthony Rowland / Jen Boorer Tel: +44 (0)20 7634 4700
Joint Broker Xcap Securities plc Jon Bellis / John Grant / Parimal Kumar Tel: +44 (0)20 7101 7070
Public Relations Merlin David Simonson / Anca Spiridon Tel: +44 (0)20 7726 8400
This information is provided by RNS The company news service from the London Stock Exchange More |
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| 05-01-12 | RNS |
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RNS Number : 9776U Mwana Africa PLC 05 January 2012 5 January 2012 Mwana Africa PLC ("Mwana", the "Group" or the "Company") Appointment of Director The Board of Mwana PLC is pleased to announce that Johan Botha is joining the Board in a non-executive capacity with effect from 4 January 2012. Johan Louis Botha, aged 62, is a South African citizen with more than 40 years' experience in the African mining sector, including 26 years working across Anglo Gold's mine portfolio and as a Manager in the Company's Technical Development Division. His experience also includes positions at BHP at the Hartley Platinum mine project in Zimbabwe, Randgold Resources in South Africa and Mali and Gold Fields Ghana Ltd, where he was Vice President. At Banro Corporation he led the successful development and construction of their Twangiza gold mine in the Democratic Republic of Congo. Kalaa Mpinga, CEO, commented: "I am delighted to welcome Johan to the Mwana Board. He will bring an important technical contribution to the Board as we continue the development of our projects. His wealth of experience across African mining, including at gold and precious metals operations in Zimbabwe and the DRC, is a perfect match for Mwana's assets and strategy". Mr Botha's current and previous directorships within the last 5 years are as follows:
There are no other details which require to be disclosed in accordance with Rule 17 and paragraph (g) Schedule Two of the AIM Rules.
Further information can be found at: www.mwanaafrica.com Enquiries: Mwana Africa PLC Tel: +44 (0)20 7654 5580 Kalaa Mpinga Donald McAlister
Nominated Adviser and Broker Ambrian Partners Limited Tel: +44 (0) 20 7634 4700 Anthony Rowland / Jen Boorer
Joint Broker XCAP Securities plc Jon Belliss / John Grant / Parimal Kumar Tel: +44 (0)20 7101 7070
Public Relations Merlin Tel: +44 (0)20 7726 8400 David Simonson Anca Spiridon This information is provided by RNS The company news service from the London Stock Exchange More |
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They have not been approved or issued by Interactive Investor Trading Limited.
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