Hello Everyone
We filed our technical report regarding the updated 43-101 Resource Estimate on SEDAR today. The report can be viewed and/or downloaded on the SEDAR site and we will also post it to our website later today. It is a very thorough summary and is 293 pages long. We thought it might be useful to highlight just a few of the comments that are included in the report which was prepared by SLR Consulting (Canada) Ltd.
Highlights:
  • In 1.1.1.1 Geology and Mineral Resources. (P.1-3)………Central and MG are the main gold deposits at the Cuiú Cuiú property. Based on drill holes to the Effective Date and related mineral exploration data, the downdip and lateral potential remains completely open. The deepest drill holes still returned positive results and there were no geological structures identified that could interrupt or constrain the mineralization below the current wireframes. What does this mean? Both the MG and Central deposits are open along strike and down-dip
  • In 7.6 Evidence for Porphyry Intrusive-Related Mineralization (P7-40). In the last few years, a number of Proterozoic-age copper-molybdenum porphyry deposits have been discovered within the Tapajós and surrounding regions. (P7-40). At Cuiú Cuiú, Cabral Gold has not yet commenced a systematic exploration program for copper molybdenite porphyries or scheelite mineralization within and adjacent to the TTDZ. Most work to date has focussed on easily identified gold mineralization that has been exposed and exploited by artisanal workers. However, there are indications that porphyry deposits could occur within the Project area. What does this mean? The region and the Cuiú Cuiú has potential for porphyry Cu-Mo deposits
  • In 8.5.1 Tocantinzinho Deposit (P8-5). The general geology and alteration mineralogy described at Tocantinzinho is similar to that observed at Cuiú Cuiú, particularly the Central, Central North, and PDM deposits as described in Section 7 of this Technical Report. What does this mean? – the Central and PDM deposits in particular are very similar to the Tocantinzinho nearby deposit which is under construction
  • In 9.1.1 Regional In situ and Boulder Grab and Composite Grab Chip Sampling (P9-4). Regional prospecting programs have been very successful in locating numerous new in-situ gold occurrences, as well as discovering significant new high-grade boulder fields. What does this mean? There are a lot of unexplained boulder fields with high-grade gold values within the Cuiú Cuiú claim block
  • In 13.2 Metallurgical Testing – 2022 (P.13-5) The weighted average of numerous individual assays determined for the bulk sample prior to the column tests by KCA were 0.896 g/t Au, yet the actual gold extracted from the column test was 0.974 g/t Au, and the remaining material from which the gold was extracted still assayed 0.214 g/t Au. Based on the extracted gold, and the grade of the remaining material, KCA determined the “Calculated Head Grade” of the bulk sample to be 1.188 g/t Au, indicating there was 33% more contained gold within the bulk sample than indicated by the prior fire-assay sampling. What does this mean? The heap leach test work on the oxide material recovered a lot more gold than we anticipated based on our drill assays, suggesting the actual gold grade of the oxide material could be 33% higher than the drill assays suggest
  • In 14.6 Sample Statistics and Capping (P 14-21) Based on the top-cut analysis, the Cuiú Cuiú deposits have a total metal loss ranging from approximately -9% to -2%, with the metal loss for Central and MG being -4% and -9%, respectively. What does this mean? Top cutting imposed as a result of statistical analysis of the drill data meant that between 4 and 9% of the gold was not included
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