Lavras Gold Corp. files NI 43-101 report for Cerrito Gold Prospect
11.07.2022 | GlobeNewswire
TORONTO, July 11, 2022 - Lavras Gold Corp. (TSXV: LGC) has filed the technical report for the mineral resource estimate on the Cerrito Gold Prospect on SEDAR (www.sedar.com).The report has been prepared according to the standards set out in NI 43-101 Standards of Disclosure for Mineral Projects. It will also be made available on the Company’s website. The report is called NI 43-101 Technical Report for the Cerrito Gold Prospect, Rio Grande do Sul, Brasil. It is authored by Volodymyr Myadzel, MAIG, and Frank Richard Baker, MIMMM, MAusIMM, and is dated and effective May 31, 2022.
As previously announced on June 6, 2022, the resource estimate shows that Cerrito has an indicated gold resource of 187,650 ounces and an inferred gold resource of 293,468 ounces.
NI 43-101 MINERAL RESOURCE ESTIMATE FOR CERRITO GOLD PROSPECT
Uncapped Capped
Class Type Tonnes Gold (g/t) Gold (oz) Gold (g/t) Gold (oz)
Indicated Saprolite 474,461 0.87 13,327 0.78 11,858
Hard rock 7,774,763 0.78 195,759 0.70 175,792
Inferred Saprolite 286,235 0.80 7,338 0.66 6,094
Hard rock 12,871,242 0.76 314,329 0.69 287,374
Notes
- Mineral resources are not mineral reserves and do not have demonstrated economic viability. There is no certainty that all or any part of the mineral resources estimated will be converted into mineral reserves
- Assumes a gold cut-off grade of 0.3 grams per tonne (g/t)
- High grade samples were capped at a grade of 3.07 g/t for the capped resource estimate
- Numbers may not sum due to rounding
- The qualified person for the resource estimate is Dr. Volodymyr Myadzel of VMG Consultoria e Soluções Ltda.
- This estimate should be read in conjunction with the full report, which is available on www.sedar.com under the company’s profile.
Methodology for estimate
The gold resource for the Cerrito Prospect has been estimated according to standards set out in National Instrument 43-101 – Standards of Disclosure for Mineral Projects (NI 43-101).
The Cerrito gold resource calculation is based on a drilling database of 92 diamond drill holes totaling 14,593 metres of drilling. Distances between drill holes varied from 25 and 100 meters from which 24 vertical sections were created having a north-south orientation and an average distance of 50 meters between sections.
Composite samples averaged 1.0 metre in length. The block model was generated from the discretization of three-dimensional solids into blocks of defined dimensions. The process of discretization of the solid included the sub-blocking process.
Initially, the model was filled with blocks measuring 10 (X) by 10 (Y) by 10 (Z) metres, which were divided into subunits of smaller size, with a factor for size subdivision of 10 by 10 by 10 in contact with the surrounding three-dimensional solids.
As a result, at the limit with solids, the size of the blocks became 1.0 (X) by 1.0 (Y) by 1.0 (Z) metres. The initial size of the blocks was chosen based on the morphology of the mineralized geological bodies and the size of the exploration grid at 1/2 of the main grid. The model contains 253,197 blocks.
The solid was used to create a block model within the mineralized geological body and encode the respective blocks. A digital model of the topographic surface was used to restrict the block model along the vertical axis. The blocks were generated with faces parallel to the north/south and east/west axes.
A capping grade of 3.07 g/t gold was applied to minimize the impact of high-grade gold assay results on the overall resource calculation. An uncapped and capped gold resource was calculated to show the impact of capping on the overall gold resource model.
The disclosed resource is based on a block model interpolated by the Ordinary Kriging method. A 0.3 g/t gold cutoff grade is assumed based on the near and at surface nature of the Cerrito mineral deposit. The sensitivity of the gold resource estimate to cut-off grade varying from 0.0 g/t gold to 5.0 g/t gold is shown in the full report.
Classification of resources
The classification of resources was carried out in accordance with NI 43-101 guidelines.
The resources were classified as Indicated and Inferred according to the degree of reliability of the different iterations and data used for the interpolation of the block model. Solids were created and were used to stamp the inner blocks to each of these reliability zones.
For the indicated resource, a solid that encompasses an area with a 50-meter regular drilling grid was created for areas in which more than 90% of the blocks were stamped in the first to third iterations corresponding to 2 of the search radii. For interpolation, a minimum of 1 hole and 2 composite samples were used and the average distance of interpolation between samples is 50 meters.
All other blocks were classified as inferred resources.
Qualified person
Dr. Volodymyr Myadzel of VMG Consultoria e Soluções Ltda., a qualified person as defined by NI 43-101, has reviewed and approved the scientific and technical information contained in this release.
Lavras Gold: Exploring to realize the potential of a multi-million ounce district in southern Brazil
Lavras Gold (TSXV: LGC) is a Canadian exploration company focused on realizing the potential of the Lavras do Sul gold project (LDS Project) in Brazil. Located in the state of Rio Grande do Sul, the LDS Project is believed to host an alkaline porphyry gold-copper system. More than 23 gold prospects centred on historic gold workings have been identified on the property, which spans more than 22,000 hectares.
The Company’s vision is to maximize shareholder value by applying a sustained systematic and technically-based exploration program to the LDS Project and any other opportunities that may arise.
Follow Lavras Gold on www.lavrasgold.com, as well as on LinkedIn, Twitter, and YouTube.
Contact information
Lavras Gold Corp.
Michael Durose, President & CEO
416-844-6284
info@lavrasgold.com
Annemarie Brissenden, Investor Relations
416-844-6284
info@lavrasgold.com
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FORWARD-LOOKING INFORMATION
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