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    Ora Banda reports further strong results from Riverina infill drilling

    Ora Banda Mining Limited (ASX: OBM) has announced further encouraging assay results from the infill drilling program that recommenced in January 2021 at Riverina South and Riverina Underground, a key part of its Davyhurst Gold Project in Western Australia.

    Assay results returned from Riverina South to date include 10.0m @ 10.8 g/t from 80m (Including 6.0m @ 17.3 g/t); while those returned from Riverina Underground include 14.0m @ 6.6 g/t from 148m (Including 10.0m @ 9.0 g/t); 6.0m @ 10.1 g/t from 96m (Hanging Wall Lode).

    The company said that the Riverina South drilling is scheduled to complete by mid-March, and the underground Diamond drilling program is scheduled to complete by early March. The company noted that the mineralisation remains open to the south and at depth.

    Drilling at Riverina

    The company had commenced Riverina South infill drilling to allow the “inferred” mineral resource of 650,000 tonnes @ 2.1g/t for 43,000 ounces to be upgraded to “indicated” category.

    Meanwhile, the Riverina Underground drilling was aimed to allow the upgrading and the potential extension of the current Riverina underground mineral resource of 728,000 tonnes @ 5.9g/t for 139,000 ounces.

    Riverina South

    The company said that the Riverina South drilling program targeted a 1km long, highly prospective strike extension corridor immediately south of the main Riverina mining area. OBM said that open pit mining commenced here in Oct 2020 with the mine now providing the bulk of the mill feed to the Davyhurst 1.2Mtpa process plant. The Riverina open pit mine has a declared Ore Reserve of 1.4Mt @ 1.8g/t for 81,000 ounces.

    OBM said that the current 10,600 metre Phase 3 program followed on from the Phase 1 exploration RC program (32 drill holes for 3,639 metres) completed in early 2020, and Phase 2 RC program (68 holes for 7,338 metres) which had resulted in the declaration of the maiden Mineral Resource.

    The main mining area at Riverina deposit hosts mineralisation in three separate Lode systems, namely the Main Lode, Murchison Lode, and Reggie Lode.

    Riverina Underground

    OBM’s Riverina Underground drilling comprised an RC and Diamond drill program targeting Main lodes which were mined from underground historically. The company said that the drill program (14 holes for 3,270m) aimed to increase resource classification and extend the resource down plunge to the south. Main lodes are two sub-parallel, sub-vertical mineralised shears with significant strike (>1000m) and depth (>250m) extent.

    Previous drill results

    The drilling had recently returned significant hits of 3.0m @ 32.4 g/t from 34m (RVRC20180), 5.0m @ 10.4 g/t from 21m (RVRC20193); and 5.0m @ 7.3 g/t from 51m (RVRC20109).

    Further high-grade intersections

    The company has now announced further strong results from Riverina South and Riverina Underground infill drilling.

    Riverina Underground

    Assay results returned from Riverina Underground include 14.0m @ 6.6 g/t from 148m (Including 10.0m @ 9.0 g/t); 6.0m @ 10.1 g/t from 96m (Hanging Wall Lode); 2.0m @ 10.9 g/t from 126m; and 4.0m @ 5.2 g/t from 88m.

    All significant intersections are as shown below.

    Riverina South

    Assay results returned from Riverina South include 10.0m @ 10.8 g/t from 80m (Including 6.0m @ 17.3 g/t); 8.0m @ 9.9 g/t from 69m (Including 6.0m @ 13.0 g/t); and 13.0m @ 3.8 g/t from 5m.

    All significant intersections are as shown below.

    What’s next?

    The company said that further work would include resource modelling followed by resource estimation at Riverina South; as well as infill and extensional drilling at Riverina South, Forehand, Silver Tongue, Sunraysia, followed by further resource updates.

    Management statements

    Ora Banda Managing Director, David Quinlivan, said: “These results continue to provide a solid basis for significant open pit and underground mineral resource upgrades at Riverina South. We accordingly have increased confidence that Riverina South has the potential to deliver both a substantial extension to current open pit mining operations and a new underground mining operation at Riverina. Numerous highly prospective areas remain to be tested at Riverina and we look forward to the ongoing exploration efforts at Riverina delivering exciting results into the future.”

    *Image source: Ora Banda Mining Limited

    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 29-06-2022
    • Gold $1,819.40
    • Silver $20.79
    • Platinum $909.00
    • Palladium $1,802.00
    • Dalian Iron Ore i2209 $121.88
    • Aluminium $2,495.50
    • Cobalt $72,400.00
    • Copper $8,417.50
    • Lead $2,003.50
    • Nickel $22,882.00
    • Tin $26,991.00
    • Zinc $3,318.00