Positive Assay Results at the Arapuá Project
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Harvest Minerals Limited, the AIM listed fertiliser producer is pleased to report assay results from seven auger drill holes from its Rare Earth Elements ("REE") exploration program at its 100% owned Arapuá Fertiliser Project in Brazil ("Arapuá Project").
Highlights
- Seven auger drill holes completed across six targets within Harvest's mineral rights.
- Total rare earth oxides (TREO) content in the samples ranges from 817.77 ppm to 4,370.08 ppm.
- Channel samples collected at the Maximus target have returned highest grade to date.
- A total of 87 samples were analyzed using ICP-OES and ICP-MS methods, with leaching tests also conducted.
- Final results from phase 1 of the program, including SEM (scanning electron microscopy), are expected to be delivered by end of November.
- Harvest will collaborate with PVW Resources Limited under the Technical Cooperation Agreement to evaluate further exploration, processing, and beneficiation methods for REEs, as well as the next drilling phase.
Brian McMaster, Chairman of Harvest, said: "These assay results represent a promising step forward in our exploration of rare earth elements at Arapuá. The presence of significant TREO content underscores the potential of our asset, and we are excited to work closely with PVW Resources in defining the next stages of our program. Together, we are committed to unlocking the value of these findings through detailed assessment and development".
Background
As previously reported, Harvest has started a two-phased REE work programme, commencing with new auger drillholes on areas where historical samples have yielded high-grade REE occurrences. The planned seven auger drill holes have now been drilled across six targets within Harvest's mineral rights (see drill location on Figure 1).
A total of 87 samples have been submitted to chemical analyses using Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) and Inductively Coupled Plasma Mass Spectrometry (ICP-MS), as well as for leaching tests.
Significant results have been returned for with total rare earth oxides ("TREO") contents ranging from 817.77 ppm to 4,370.08 ppm.
TREO (ppm)
| ID | Target | # Samples | Min. | Max | |
|---|---|---|---|---|---|
| AMDRC23-09 | Maximus | 15 | 1,299.64 | 1,910.30 | |
| CDMRC23-04 | Colégio | 16 | 1,428.90 | 2,897.52 | |
| MTS3ETRAD24-01 | Mata do Salgado | 14 | 1,572.09 | 3,305.82 | |
| FSAD22-01 | Fazenda Sapecado | 3 | 1,967.84 | 2,077.18 | |
| PI2ETRAD24-01 | Pimentas II | 11 | 1,563.99 | 4,206.44 | |
| PI2ETRAD24-02 | Pimentas II | 15 | 817.77 | 1,152.62 | |
| PI1ETRAD24-01 | Pimentas I | 10 | 868.09 | 2,280.61 | |
| MXCS24-01 | Maximus | 3 | 2,112.75 | 4,370.08 | |
| Table 1: TREO Assays Results | |||||
| | |||||
| ID | Target | From | To | Interval | TREO (ppm) |
| AMDRC23-09 | Maximus | 8.00 | 9.00 | 1.00 | 1,910.30 |
| CDMRC23-04 | Colégio | 6.00 | 8.00 | 2.00 | 2,457.12 |
| MTS3ETRAD24-01 | Mata do Salgado | 0.60 | 8.00 | 7.40 | 2,741.62 |
| FSAD22-01 | Fazenda Sapecado | 1.00 | 5.35 | 4.35 | 2,005.35 |
| PI2ETRAD24-01 | Pimentas II | 3.00 | 12.00 | 9.00 | 3,254.76 |
| PI2ETRAD24-02 | Pimentas II | 11.00 | 15.00 | 4.00 | 1,102.23 |
| PI1ETRAD24-01 | Pimentas I | 0.50 | 3.00 | 2.50 | 2,196.87 |
| PI1ETRAD24-01 | Pimentas I | 6.00 | 10.00 | 4.00 | 1804.08 |
| MXCS24-01 | Maximus | 4.00 | 7.00 | 3.00 | 3,457.30 |
Table 2: TREO Drilling Intercepts and Assay Results
In mid-November, we will receive the full set of lab results for the samples, including Scanning Electron Microscopy (SEM) analyses. These results should allow us to identify the minerals bearing the REEs, enabling us to start investigation on potential concentration methods.
Under the Technical Cooperation Agreement ("TCA"), Harvest will work with its technical partner PVW Resources Limited (see RNS dated 16 September 2024) to assess the next stages of the REE program which includes evaluating potential processing methods for REEs to substantiate these preliminary findings.
Figure 1: Location map of the drill holes and channel
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