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    Chesser Resources reports new high-grade results incl. best-ever 16m at 23.38g/t gold at Diamba Sud

    Chesser Resources Limited (ASX: CHZ) has announced further high-grade results from the planned 5000m DD and 15,000m RC program at the Area D gold discovery within its flagship Diamba Sud Gold Project in Senegal, West Africa.

    The company said that drilling has extended shallow high-grade oxide mineralisation at Area D, which remains open to the northwest and northeast.

    CHZ noted that the results included the highest gram-metre intercepts to date; 16m at 23.38 g/t gold from 40m, including 4m at 74.23 g/t gold from 45m; 35m at 9.81 g/t gold from 2m, including 20m at 15.48 g/t gold from 14m; and 4m at 8.29 g/t gold from 16m, including 1m at 24.60 g/t gold from 17m.

    The company said that wide subvertical mineralised breccias and stockworks in fresh rock form likely feeder zones to the oxide mineralisation. Important results include 15m at 2.91 g/t gold from 60m; 6.25m at 2.77 g/t gold from 67.75m; 7m at 2.40 g/t gold from 82m; 15m at 1.33 g/t gold from 67m; 6.6m at 2.20 g/t gold from 65m; and 10m at 1.51 g/t gold from 65m.

    Diamba Sud project

    Chesser’s 100%-owned Diamba Sud project is located ~2km to the west of the Senegal Mali Shear Zone (SMSZ) and covers 53.2km2 over the gold-bearing Kedougou-Kenieba Inlier.

    SMSZ is a major regional structure and host to numerous multi-million-ounce gold deposits including B2Gold’s 7.6Moz Fekola mine, Barrick’s 18Moz Loulo-Gounkoto complex, and IAMGold’s Sadiola and Yatela mines.

    Diamba Sud consists of two blocks referred to as DS1 in the north and DS2 in the south. Important targets include Northern Arc Target, Eastern Flank Target, and Western Flank Target.  The Area A, Area B, and Area D discoveries are located within the Northern Arc target.

    Drilling at Diamba Sud

    The company had recently commenced a fully funded 20,000 metre drilling campaign (5000m DD and 15,000m RC program) at Diamba Sud following the end of the wet season. This program focused on exploring around the shallow, high-grade Area D discovery at depth and along strike.

    CHZ had reported a high-grade discovery earlier in the year (10m at 25.1 grams per tonne (g/t) and 48m at 6.7g/t) and the first results of the current drilling program at Area D.

    Chesser has now reported drill assay results from 3 diamond holes (DD) and 12 reverse circulation (RC) holes, totalling 621m and 1,726m respectively from Area D.

    Drilling confirms two targets at Area D

    The company announced that the drilling has confirmed two very encouraging targets at Area D; a high-grade apparently flat lying oxide zone, and an underlying fresh rock sulphide mineralisation in breccias and stockworks.

    The company said that these appear associated with northwest and northeast trending structures, which are likely to also factor in the orientation of the oxide zones. CHZ said that the mineralisation remains open to the northeast and to northwest in the central area.

    High-grade results

    CHZ said that the RC Holes DSR182, DSR183, and DSR184 on the 1429525 Line confirmed the continuity of oxide mineralisation across section A. This area is interpreted by the Company as the intersection of a northeast-southwest trending structure and a northwest trending structure.

    CHZ said that these are thought to represent breccia and stockwork-like zones of structures. The company said that the interpretation and correlation with other drilling are ongoing. Significant RC intersections are as below

    Chesser said that Hole DSR186 marked the northern most section drilled in this zone of Area D and intersected moderately thick oxide mineralisation, indicating mineralisation likely remains open to the north-northeast.

    Important RC intersections are as below

    The company said that the diamond drill hole DSDD019 was collared to the west of DSR186 and returned 6.6m at 2.20 g/t gold from 65m in a pyritic veinlet zone and 1m at 11.30 g/t gold from 123m.

    CHZ said that the diamond hole DSDD018 and RC holes DSR180, DSR181, and DSR188 were drilled on the 1429475N section that DSR157 was collared. The company reported that the drilling has confirmed the presence of a wide and thick horizontal oxide zone which appears to be underlain by vertical to sub vertical breccia and veinlet zones with a northwest structure appearing to control these.

    The company said that DSDD018 intersected the mineralised northwest-southeast trending structure intersected in DSR103 (53m at 2.61 g/t gold).

    Important DSDD018 intersections included

    The company said that the holes DSR180, DSR181, and DSR188 were collared to the east of DSDD018. CHZ said that DSR181 returned two assays at the upper detection limit of 100 g/t gold from intervals 45-46m and 46-47m, which were re-assayed at the SGS laboratory at Bamako.

    Select significant RC intersections included

    CHZ said that the hole DSDD017 was collared to the west of DSR153 and DSR154, and intercepted numerous narrow zones of narrow gold mineralisation in fresh rock within slightly wider mineralised zones. Intercepts included 1.3m at 2.30 g/t gold from 64.35m, 1.1m at 2.90 g/t gold from 123.9m.

    The company said that the drilling in the southern area returned mineralisation in holes DSR185, DSR189, and DSR190, likely associated with the northeast trending structural zone.

    CHZ reported that the hole DSR185 returned 26m at 2.56 g/t gold from 17m in oxide and 15m at 2.91 g/t gold from 60m in fresh rock, confirming both the upper oxide mineralised zone and the mineralised northeast trending brecciated zone.

    The company said that the hole DSR190 intercepted oxide mineralisation, 6m at 2.24 g/t gold from 44m, and a broad sulphide zone in fresh rock of 8m at 1.02 g/t gold from 66m.

    Chesser said that the hole DSR189 was collared to the east of DSR190 returning high-grade oxide mineralisation of 4m at 8.29 g/t gold from 17m, including 1m at 24.60 g/t gold from 17m and 3m at 1.96 g/t gold from 129m in fresh rock; while DSR191 encountered problems and was abandoned at 60m.

    Results extend thick mineralised zones

    The company said that the results have significantly extended the thick mineralised zones intersected by previously reported holes at Area D. CHZ said that most RC holes intersected significant wide oxide mineralisation within saprolitic material from shallow depths.

    Latest updates and next steps

    The company said that the RC and diamond drill rigs are currently drilling at Area A on the two structures trending southwest-northeast and the southeast extension. CHZ said that greenfield targets at Western Splay and Southern Arc are also planned to be tested. The Company said that it is expecting a steady flow of results until at least late April 2021.

    The company said that a possible diamond drilling is expected to be planned to follow up the latest results reported and upon receipt of the remaining assays for holes not reported, subject to results.

    Follow up drilling

    The Company said that it is currently evaluating options to accelerate further drilling campaigns following a strongly supported $8m private placement in November. CHZ said that the drilling to date at Area D has identified two very encouraging targets; a shallow high-grade, apparently flat lying oxide zone, and underlying fresh rock sulphide mineralisation in breccias and stockworks.

    The company said that these appear associated with northwest and northeast trending structures, which are likely to also factor in the orientation of the oxide zones. CHZ said that the mineralisation remains open to the north, northeast, and to northwest in the central area, with planning for follow up drilling to test these areas now underway.

    Other regional exploration

    The Company reported that it is planning to extend gradient array induced polarisation geophysics (GAIP) over large parts of the northern Diamba Sud block (DS1) early in 2021. GAIP has been proved to be effective for identifying structures and certain lithological units (such as granodiorites).

    Management comments

    Mike Brown, Managing Director and CEO of Chesser Resources said: “We are delighted to report additional high-grade gold oxide and sulphide hits at Area D. Two holes from this program reported the highest gram-metre intercepts from the project to date, which is very encouraging at this early stage of the largest drill program undertaken on the property.

    The results highlight an extensive highgrade and shallow oxide system at Area D. It appears that the oxide mineralisation is broadly horizontal, with trends relating to underlying subvertical sulphide hosting structures.

    These structures appear to trend NE and NW and remain open for further drill testing. We are looking forward to expanding the drill  program in these directions as we continue this transformative program. Drilling is currently progressing at Area A and we look forward to reporting these results as they are received.”

    Jonathan Norris
    Jonathan is a founder of Mining.com.au and has been covering the resources industry since 2018. With over 17 years experience in print, broadcast and online media, Jonathan has seen first hand the transformative effect of online niche media.

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    • Delayed Prices (USD) - Last Updated 06-12-2021
    • Gold $1,782.60
    • Silver $22.51
    • Platinum $930.00
    • Palladium $1,750.00
    • Dalian Iron Ore i2205 $98.48
    • Aluminium $2,623.00
    • Cobalt $67,050.00
    • Copper $9,418.00
    • Lead $2,210.50
    • Nickel $20,030.00
    • Tin $39,335.00
    • Zinc $3,161.50