Australian manganese explorer and developer, Black Canyon Restricted (Black Canyon or the Firm) (ASX: BCA) is happy to announce outcomes from detailed mapping and pXRF evaluation of rock chip samples undertaken inside the manganese corridors on the Wandanya Venture. The outcomes present the size potential of the manganese mineralisation found at Wandanya and potential for vital excessive grade iron formations, which had not been beforehand drilled or mapped previous to Black Canyon prospecting the targets.
- Detailed mapping and rock chip sampling accomplished over the Wandanya venture following profitable RC drill2 and former rock chip sampling campaigns1.
- Moveable XRF (pXRF) evaluation confirms a number of widespread rock chip samples with persistently comparable grades to the RC drilling accomplished at W2, ranging between 30 and 50% Mn.
- 3km general strike of outcropping manganese mineralisation now confirmed with solely 240m of this drill examined.
- Vital alternative to develop the mineralised footprint with intensive manganese outcrops nicely uncovered in a number of incised gulleys extending 150m cross strike and shallowly dipping to the east.
- Preliminary metallurgical testwork is underway to doubtlessly produce a high-quality manganese focus for silico or ferro alloying and feedstock for top purity manganese sulphate (HPMSM) testwork.
- Moreover, rock chip sampling offered additional proof of widespread hematite enriched sediments which might be much like beforehand reported1 iron wealthy formations that assayed 63.3%, 63.1 and 57.6% Fe. The Firm is awaiting laboratory-based iron XRF assays, because the preliminary pXRF outcomes had been past the correct grade vary of the pXRF
Cautionary Be aware in relation to visible estimates and pXRF readings: The Firm cautions that visible estimates and pXRF readings ought to by no means be thought-about a proxy or substitute for laboratory analyses. Laboratory assays (XRF for Mn C Fe suite of components) are required to find out consultant grades of the weather related to the seen mineralisation reported from geological mapping and pXRF readings. Additional particulars are discovered inside Appendix 1.
Rock chip samples have been submitted to Bureau Veritas in Perth WA with analytical outcomes anticipated in early to mid-December.
Black Canyon’s Managing Director Brendan Cummins mentioned:
“Following the profitable current RC drill program, detailed mapping and rock chip sampling assay outcomes proceed to impress. We’re seeing strike intensive mineralisation alongside a 3km lengthy hall, which demonstrates the size potential of this new and distinctive type of manganese mineralisation.
“Widespread outcrops and constant high-grade manganese outcomes from drilling and rock chip sampling have gotten a transparent attribute of the Wandanya discovery. As well as, we’re eagerly awaiting the assay outcomes from rock-chip sampling of the intensive hematite enriched iron formations additionally mapped within the space that look fairly potential.
“We sit up for returning with an RC rig in 2025 to additional take a look at these compelling targets alongside strike and down dip to find out their full-scale potential.”
Determine 1. Manganese corridors on the Wandanya Venture with manganese outcomes above 30% proven overlying topography (crimson=elevated) and satellite tv for pc imagery. Picture areas are additionally proven for Figures 2-C.
W2 Prospect, Wandanya (BCA 100%)
The stratabound hosted manganese mineralisation has been traced alongside a 3km lengthy hall, is dipping shallowly to the east and stays open. The footwall and hangingwall items comprise of dolomite and calcareous siltstone respectively. The goal manganese horizon is commonly nicely uncovered by gulleys eroding by the hangingwall, forming steady outcrops as much as 150m cross-strike earlier than the unit is overlain by shallow dolomite and canopy sequences.
On the W2 prospect, solely 240m of strike at a width of 200m has been drill examined with constant grades and widths2 together with:
- 5m @ 31.1% Mn from floor, together with 2m @ 42% Mn (WDRC005)
- 6m @ 26.3% Mn from 4m, together with 3m @ 40.1% Mn (WDRC021)
- 6m @ 2G.6% Mn from floor, together with 3m @ 41.0% Mn (WDRC031)
- 6m @ 2G.2% Mn from 4m, together with 3m @ 3G.7% Mn (WDRC032)
- 5m @ 32.4% Mn from 3m, together with 3m @ 40.1% Mn (WDRC033)
To the west, a number of occurrences of hematite wealthy sediments had been mapped and sampled, with the outcomes from the pXRF readings exceeding the correct vary of the pXRF. Therefore, these samples have been submitted to the laboratory and assay outcomes will probably be reported after they have been obtained.
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