- To date Mount Burgess has developed resources in both Kihabe and Nxuu Deposits on PL43/2016 in Western Ngamiland Botswana.
- The Company plans to develop Nxuu Deposit first as it is seen as a potentially shallow, low risk and low-cost operation.
- With COVID-19 restrictions gradually lifting, Mount Burgess may progress with planned test work to develop Nxuu- drill proposed vertical drill holes, assay them for Zn/Pb/Ag/Ge/V and possibly quote an Indicated/Measured resource compliant with the 2012 JORC Code.
- Recently, on request and for clarity, the Company has consolidated holes that were drilled into Nxuu Deposit North, together with proposed drill holes.
Mount Burgess Mining NL (ASX:MTB) has a stated objective to explore and in the event of discovery, develop commercial deposits of mineral resources. After discovering the Red October Gold Deposit in WA and three kimberlites in Namibia, the Company is currently developing the Kihabe and Nxuu Zinc/Lead/Silver/Germanium and Vanadium deposits in Botswana.
It is Mount Burgess’ intention to initially concentrate on developing the totally oxidised polymetallic Nxuu Deposit. A shallow basin-shaped deposit with a maximum depth of 64 meters, Nxuu is a potential low cost, low risk operation with possibility for onsite metal/ mineral recovery processes to be applied, thereby achieving beneficiation within Botswana.
In its recent Quarterly Report to 30 June 2020, the Company demonstrated holes that had been drilled into the polymetallic Nxuu Deposit North, together with proposed drill holes.
On 6 August 2020, on request, Mount Burgess consolidated Nxuu deposit drill hole to show known mineralised domain and continuity of mineralisation more clearly.
Before diving into the consolidated update, PLEASE READ: Scan Through Mount Burgess’ Remarkable June Quarter Performance
Consolidation Of Nxuu Deposit Drill Hole Data
Initially, in the June quarter report, holes that had been drilled into Nxuu Deposit North along with proposed drill holes were shown in five separate areas- the South West Area, the South East Area, the Mid West Area, the Mid East Area and the Northern Area.
In due course, the Company was requested to show known mineralised domain and continuity of mineralisation with better clarity. Consequently, the five areas have been reduced to two, showing only the holes drilled to date-
3 SW holes (Source: MTB’s Report)
- Of the 24 holes drilled to date, three SW holes NXRC027, NXDD003 and NXDD037 are shown separately in the first area.
- Remaining 21 holes now all shown in the second area.
- For the sake of continuity, NXDD036 is shown in both areas.
- This allows for better appreciation of mineralised domain and continuity of the mineralisation.
Nxuu Deposit Specifics
Extractive metallurgical test work on samples of Zn/Pb mineralisation in the deposit demonstrates that 93% Zn can be recovered in 12 hours through acid leach, with potential to produce Zn metal on site via SX/EW, with 93% Pb reporting to flotation concentrate.
Review of results from recent drilling campaigns, that included assaying for Vanadium, shows that mineralisation at the deposit extends beyond the zones of Zn/Pb mineralisation, increasing the overall metal endowed domains within the mineralised quartz wacke. Metallurgical test work on Nxuu mineralisation demonstrates that 80.4% Vanadium Pentoxide (V2O5) can be recovered on site via a standard oxide flotation process through hydroxamate collector for recovery.
To know about Zn/Pb/V2O5 specifics, PLEASE READ: Mount Burgess’ Nxuu Deposit Progress & Pipeline; Botswana Govt Eases COVID-19 Restrictions
Nxuu Deposit samples containing Germanium have been sent to the University of Naples for test work that will analyse nature and structure of the host mineral. Once out of lockdown, Naples University is likely to commence this test work. Mount Burgess believes that if shown as recoverable, a further credit for the Project would be represented, as Ge is trading at USD 1,890 per kg at present.
Further Ge samples have recently been sent to mineralogist Roger Townend. These samples have been sent to CSIRO for mineralogical test work to possibly identify host oxide mineral of Ge.
Previous Nxuu resource estimates only included Zn/Pb, though lately, V2O5 represents a substantial additional credit. Consequently, the Company believes that on completion of a further 2,500m of drilling, it will be able to quote a resource compliant with the 2012 JORC Code.
MTB quoted $ 0.001 during early trading hours on 7 August 2020.
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