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Appia Rare Earths & Uranium Corp
Symbol API
Shares Issued 136,333,594
Close 2024-02-08 C$ 0.19
Market Cap C$ 25,903,383
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Appia Rare reassays 3,577 ppm TREO at PCH

2024-02-08 12:10 ET - News Release

Mr. Tom Drivas reports

APPIA ANNOUNCES OUTSTANDING RE-ASSAYED DIAMOND DRILL RESULTS INCLUDING 100 METRES AVERAGING 3,577 PPM TREO AT ITS PCH IONIC CLAY PROJECT, BRAZIL

Appia Rare Earths & Uranium Corp. has released significant assay results from its discovery diamond drill hole (DDH) PCH-F01, located within the highly prospective Target IV zone at its PCH ionic adsorption clay project in Brazil. Appia has reassayed the entire hole PCH-F01 as part of its due diligence, and assay results from surface to 18 metres include 9,445 parts per million (ppm) total rare earth oxide (TREO), 2,786 ppm magnet rare earth oxide (MREO), 787 ppm heavy rare earth oxide (HREO) and 8,658 ppm light rare earth oxide (LREO).

DDH PCH-F01, originally drilled vertically to 100 metres depth during the vendor's exploration campaign in 2021, has been reassayed and updated with the nomenclature DDH PCH-F01R. This hole intercepted a high-grade mineralized weathered profile to bedrock, spanning from the surface to 18 metres. The reassaying confirmed the presence of continued high-grade mineralization throughout the intercepted hard rock zone, with the mineralization continuing until the end of drill hole at 100 metres depth.

Highlights:

  • Composite results across 100 metres:
    • 3,577 ppm (0.36 per cent) TREO, including 968 ppm (0.10 per cent) MREO, 293 ppm (0.03 per cent) HREO and 3,284 ppm (0.33 per cent) LREO.
  • Composite results from surface to 18 metres:
    • 9,445 ppm (0.94 per cent) TREO, including 2,786 ppm (0.28 per cent) MREO, 787 ppm (0.08 per cent) HREO and 8,658 ppm (0.86 per cent) LREO.
  • Composite results from surface to seven metres:
    • 18,275 ppm (1.83 per cent) TREO, 5,640 ppm (0.56 per cent) MREO, 1,550 ppm (0.16 per cent) HREO and 16,725 ppm (1.67 per cent) LREO, including:
      • Three metres at 25,317 ppm (2.53 per cent) TREO, 8,473 ppm (0.85 per cent) MREO, 2,102 ppm (0.21 per cent) HREO and 23,215 ppm (2.32 per cent) LREO from 1.5 m to 4.5 m; and
      • 1.5 metres at 30,642 ppm (3.06 per cent) TREO, 11,219 ppm (1.12 per cent) MREO, 2,434 ppm (0.24 per cent) HREO and 28,208 ppm (2.82 per cent) LREO from two m to 3.5 m.

"These results from DDH PCH-F01R confirm the presence of an alkaline breccia with significant concentrations of REE [rare earth elements] throughout the hard rock beneath the clay and saprolite zones," commented Stephen Burega, president. He continued: "DDH PCH-F01R is situated northeast of the previously reported PCH RC-063 hole, located in the southwest quadrant of Target IV. This reverse circulation (RC) hole revealed TREO results as high as 92,758 ppm from 10 to 12 metres, with a total weighted average of 38,655 ppm TREO from zero to 24 metres, remaining open at depth." See the company's press release dated Jan. 16, 2024.

Mr. Burega continued: "We have seen remarkable grades across Target IV, spanning from RC to DDH results. Numerous intercepts surpass 10,000 ppm TREO, including PCH-F01R, where the results support the ultrahigh-grade weathered profile. The team has identified two high-grade zones within Target IV, approximately 300 metres apart, interconnected with mineralization at shallow depths."

Appia is committed to transparent communication and will continue to provide timely updates on the progress of its exploration efforts and the development of a maiden mineral resource estimate in partnership with SGS Canada. The company is dedicated to sharing advancements in its exploration program, and will release assay results from RC, DDH and auger drilling as they become available.

Background on the PCH project

The PCH project is located within the Tocantins structural province in the Brasilia fold belt, more specifically, the Arenopolis magmatic arc. The PCH project is 40,963.18 hectares in size and located within the Goias state of Brazil. It is classified as an alkaline intrusive rock occurrence with highly anomalous REE and niobium mineralization. This mineralization is related to alkaline lithologies of the Fazenda Buriti plutonic complex, and the hydrothermal and surface alteration products of this complex by supergene enrichment in a tropical climate. The positive results of the recent geochemical exploration work carried out to date indicate the potential for REEs, niobium (Nb), scandium (Sc) and cobalt (Co) within lateritic ionic adsorption clays.

Quality assurance/quality control (QA/QC)

The historic diamond drill holes, including DDH-PCHF01, are NQ size (47.6-millimetre (mm) diameter), vertical and reported intervals are true widths. It has been sampled at approximately one-metre intervals, resulting in average sample sizes of approximately one kilogram to five kg. Drill core is geologically logged, photographed, marked for sampling and cut by diamond saw. One-half of the core is taken for sampling at Appia's logging facility, bagged in a resistant plastic bag, labelled, photographed and stored for shipment. The remaining half is stored at Appia's secure core storage facility.

Appia reassayed the entire hole using pulp from original samples and updated nomenclature to PCH-F01R. The samples were sent to the SGS laboratory in Vespasiano, Minas Gerais. In addition to the internal QA/QC of the SGS lab, Appia has used its own control samples in each batch sent to the laboratory.

Quality control samples, such as blanks, duplicates and standards (CRM (certified reference material)), are inserted into each analytical run. For all analysis methods, the minimum number of QA/QC samples is one standard, one duplicate and one blank, introduced every batch. The rigorous procedures implemented during the sample collection, preparation and analysis stages underscore the robustness and reliability of the analytical results obtained.

All analytical results reported herein have passed internal QA/QC review and compilation. All assay results of DDH samples were provided by SGS Geosol, an ISO/IEC 17025:2005 certified laboratory, which performed its measure of the concentration of rare earth elements analyses by inductively coupled plasma mass spectrometry (ICP-MS) analytical methods.

The technical content in this news release was reviewed and approved by Don Hains, PGeo, consulting geologist, and a qualified person as defined by National Instrument 43-101.

About Appia Rare Earths & Uranium Corp.

Appia is a publicly traded Canadian company in the rare earth element and uranium sectors. The company is currently focusing on delineating high-grade critical rare earth elements and gallium on the Alces Lake property, as well as exploring for high-grade uranium in the prolific Athabasca basin on its Otherside, Loranger, North Wollaston and Eastside properties. The company holds the surface rights to exploration for 113,837.15 hectares (281,297.72 acres) in Saskatchewan. The company also has a 100-per-cent interest in 13,008 hectares (32,143 acres), with rare earth elements and uranium deposits over five mineralized zones in the Elliot Lake camp, Ontario. Lastly, the company holds the right to acquire up to a 70-per-cent interest in the PCH project (see the company's June 9, 2023, press release) which is 40,963.18 hectares in size and located within the Goias state of Brazil (see the Jan. 11, 2023, press release).

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