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Bryah Resources Limited (ASX: BYH, “Bryah” or “the Company”) in conjunction with OM (Manganese) Ltd (OMM) is pleased to announce manganese drilling results at its 49% owned Bryah Basin manganese project. The results are part of the program drilled in August 2023. Bryah (49%) and OMM (51%) have a Joint Venture (JV) to undertake exploration to test targets in the area, with a view to commencing manganese production. OMM is a wholly owned subsidiary of OM Holdings Limited (ASX: OMH), one of the world’s leading suppliers of manganese ores.
HIGHLIGHTS
- Brumby Creek West drill hole Intersections of:
- 13m at 22.7% Mn in hole BBRC241 from 15m
- 6m at 24.4% Mn in hole BBRC249 from 19m
- 4m at 22.0% Mn in hole BBRC251 from 28m
- Redrum drill hole Intersections of:
- 7m at 29.3% Mn in hole RRRC074 from 21m
- 8m at 29.6% Mn in hole RRRC076 from 14m
- 5m at 21.0% Mn in hole RRRC072 from 11m
- 7m at 20.7% Mn in hole RRRC072 from 20m
- Black Hill North drill hole Intersections of:
- 3m at 34.8% Mn in hole BHRC035 from 0m
- Epona drill hole Intersections of:
- 5m at 21.0% Mn in hole EPRC015 from 15m
- 3m at 21.5% Mn in hole EPRC028 from 10m
- Gold Trip drill hole Intersections of:
- 2m at 25.5% Mn in hole GTRC005 from 3m
Commenting on the drilling, Bryah CEO Ashley Jones said: “These excellent drill results follow our other news flow, being the updated manganese resource and the granting of the mining leases. All the manganese JORC resources are now on granted mining leases. The August drilling results continue to expand the mineralisation at Brumby Creek West and Redrum. Our grades reported are using cutoffs higher than many other ASX reported resource grades, which should give us the competitive edge when it comes to mining”.
The Bryah Basin project area is located approximately 100km north of the town of Meekatharra in Western Australia. The Company’s tenements and manganese mineral rights cover 1,135km² over parts of the western Bryah Basin. Figure 1 shows the Manganese Joint Venture tenement package, with prospects and an existing manganese Mineral Resource.1
The August 2023 drill program covered 95 holes for 2938 metres. The prospects drilled were Brumby Creek West, Epona, Redrum, Black Hill North and Gold Trip. The best drill intersections continued to come from the extensional drilling around the resources at Brumby Creek and Redrum.
Figure 1: Prospect locations with geology map showing the Horseshoe Formation
Brumby Creek West
Drilling in August continued to follow the shallow manganese mineralisation southwards. The mineralisation appears to be bifurcating with excellent results on the western side becoming prominent. Grade though is still excellent, with the best results of:
- 6m at 24.4% Mn from 19m in hole BBRC0249
- 13m at 22.7% Mn from 15m in hole BBRC0241
- 4m at 22.05% Mn from 28m in hole BBRC0251
Figure 2 Collar Plan of August 2023 Manganese Drilling at Brumby Creek West (Red collars)
Figure 3 Oblique Section Brumby Creek West Prospect
Redrum
Following the mineralisation to the northeast has continued to give excellent results, whereas results to the south have closed out the mineralisation. The best northern Redrum results are:
- 7m at 29.3% Mn from 21m in hole RRRC074
- 8m at 29.6% Mn from 14m in hole RRRC076
- 5m at 21.0% Mn from 11m in hole RRRC072
- 7m at 20.7% Mn from 20m in hole RRRC072
- 3m at 21.2% Mn from 30m in hole RRRC072
- 4m at 23.8% Mn from 12m in hole RRRC084
The resource at Redrum is 780,000 tonnes - 429Kt at 19.2% Mn Indicated Resource and 251Kt at 18.0% Mn Inferred Resource (Table 1). These further results extend the mineralisation to the north. Drilling mostly closed out the southern extent.
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This article includes content from Bryah Resources, licensed for the purpose of publishing on Investing News Australia. This article does not constitute financial product advice. It is your responsibility to perform proper due diligence before acting upon any information provided here. Please refer to our full disclaimer here.
BYH:AU
EIS Grant for Minnie Springs Copper Porphyry Drilling
- Augustus Minerals has been granted a co-funded drilling grant of up to $110,000 for 2 x 700m deep diamond drill holes under the WA Government’s Exploration Incentive Scheme (EIS) for the Minnie Springs prospect.
- The deeper diamond drill program is designed to test and to provide a 550m deep, 1km wide geological/geochemical/structural cross-section through the large 3km long by 1km wide copper moly porphyry system, linking the Mo mineralised leucogranite to the extensive Cu in soil anomaly to the northeast.
- Previous RC drilling at Minnie Springs intersected mineralisation, geology and alteration halo consistent with the zoning of a large porphyry copper / moly system.
Andrew Ford, GM Exploration
“The Company is pleased to receive an EIS grant to complete deeper drilling at the Minnie Springs Copper Molybdenum Project. The resultant data will enable mapping of the lithology and alteration to a depth of 550m and potentially intersect, or provide vectors to, higher grade Mo-Cu mineralisation using a Mo-Cu porphyry geological model”.
Minnie Springs
Minnie Springs hosts porphyry related copper molybdenum mineralisation previously drilled and defined by Catalyst Metals. A molybdenum Exploration target has been defined for the historicdrillingareacomprisedofbetween12-84Mtasoutlinedbelow (Table 1 and Figure 1, 2.)1.
Table 1. Exploration target size estimate for Minnie Springs Molybdenum depositNote: Based on ~300 ppm cut-off at 100% recovery.
The potential quantity and grade of the exploration target is conceptual in nature, there has been insufficient exploration to estimate a Mineral Resources, and it is uncertain if further exploration will result in the estimation of a Mineral Resource.
The planned diamond drilling will complement the recently completed 3,200m RC drilling program that infilled around hole MSRC012 (18m @ 0.37% Cu and 9.7 g/t Ag from 94m downhole, and 16m @ 0.38% Cu and 19.4g/t Ag from 121m downhole2) and tested the northern half of the 2km long copper-in soil anomaly. Assays from this program are expected to become available over the next month.
The limited exploration in the region, highlighted by 95% of the Ti-Tree project having no previous exploration, demonstrates the prospectivity of this underexplored mineral province.
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Quarterly Activity Report 31 March 2024
Figure 1. Fiery Creek Copper Prospect/Yataga Granodiorite summarizing rock (brown diamonds) and termite mound sample results (black crosses)
Continuing with its primary exploration focus on the Georgetown project in the latter half of 2023, EMU received assay results during the quarter from its second, in field reconnaissance work. The geochemical sampling programme covered the Fiery Creek high grade copper vein swarm and the Snake Creek prospects with significant element results returned from the Fiery Creek Copper (elevated Cu-Au-Ag-Bi-In-Pb-Sb-Te) and Snake Creek (elevated Pb-Ag-Au-Sb).
Whilst the survey was cut short due to inclement weather, EMU was encouraged by the significant success reflected in the assays results. The results from mineralogical studies confirmed EMU’s interpretation of an indicative, scale Copper-Porphyry system at the Fiery Creek prospect and was a highlight of the survey with new information building on the scale and potential of the prospect1.
Assay results returned included:
- Fiery Creek rock assay results up to 23.5% Cu, 0.27ppm Au, 460ppm Ag, 1.9% Bi, 89ppm In, 2.7% Pb, 667ppm Sb, 1470ppm Zn2.
- evidence of strong potential for the presence of critical and strategic minerals (Cu, Bi, In), with precious and base metals.
- evidence of alteration mineralogy, mineralisation geochemistry and areal extent of the Fiery Creek quartz-Cu-Bi vein swarm strongly suggesting a previously unrecognised subjacent porphyry Cu-Mo system.
- Yataga Granitoid Complex termite mound and coincident rock chip sampling returned several anomalous polymetallic zones for follow up.
- Snake Creek Prospect assays returned 0.20ppm Au, 390ppm Ag, 22.4% Pb, 464ppm Sb1.
Significant results were returned from the Fiery Creek Copper prospect with elevated Cu-Au- Ag-Bi-In-Pb-Sb-Te and from the Snake Creek prospect with elevated Pb-Ag-Au-Sb.
The elevated pathfinder element results and a macro-petrology assessment3 of rock samples completed by Mr Nigel Maund, Consulting Economic Geologist, from the previously unexplored Fiery Creek Prospect, point to the discovery of a porphyry copper system.
The sampling program assessed a number of high-priority prospects within the Georgetown Project tenements utilising termite mound and outcrop rock chip geochemistry. A total of 46 rock chip and 489 termite mound samples were collected across eight prospects.
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Basin Energy Mining Exploration Entity or Oil and Gas Exploration Entity Quarterly Cash Flow Report
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