PCH Ionic Clay
Project of Appia Rare Earths & Uranium Corp. (API)
- StageResource
- LocationGoiás, Brazil
- CommoditiesRare earths
- Operating permitNotice of Intention (planned), 2025-10-14
- News releases15
- Reported2023-06-09 – 2025-10-14
- Also calledPCH Ionic Adsorption Clay, PCH Ionic Adsorption Clay Project, Ionic Clay, PCH Rare Earth Ionic Clay Project
PCH Ionic Clay as reported in Appia Rare Earths & Uranium Corp.’s news releases, read by Mining News Terminal. Each row links to its release.
Resource estimates
| Date | Category | Estimate | Type |
|---|---|---|---|
| 2024-03-01 | Indicated | 6.60 Mt @ 2513 ppm TREO | Maiden |
| 2024-03-01 | Inferred | 46.20 Mt @ 2888 ppm TREO | Maiden |
Drill results
| Date | Hole | Best intercept | Holes in release |
|---|---|---|---|
| 2024-02-08 | PCH-F01R | 25317 ppm LREO / 3m | 3 |
| 2023-11-09 | PCH-RC-051 | 1.42% TREO / 4m | 2 |
| 2023-10-16 | PCH-RC-008 | 3084 ppm TREO / 15m | 15 |
Exploration programs
| Date | Program | Size | Method and metal |
|---|---|---|---|
| 2024-01-16 | drilling, underway | — | uranium, rare earths |
| 2023-11-09 | drilling, underway | 57 holes | RC · uranium, rare earths |
| 2023-10-31 | drilling, completed | — | uranium, rare earths |
| 2023-10-16 | drilling, underway | 147 holes | RC · uranium, rare earths |
| 2023-09-28 | drilling, underway | 232 holes | RC · uranium, rare earths |
| 2023-08-31 | drilling, underway | 300 holes | diamond · uranium, rare earths |
| 2023-08-24 | drilling, underway | 300 holes | RC · uranium, rare earths |
| 2023-08-24 | geophysics, completed | — | uranium, rare earths |
| 2023-08-24 | geophysics, completed | — | uranium, rare earths |
| 2023-06-20 | drilling, completed | 300 holes | RC · uranium, rare earths |
Permits
| Date | Permit | Status | Authority |
|---|---|---|---|
| 2025-10-14 | Notice of Intention | planned | — |
Land deals
| Date | Deal | Status | Interest | Area |
|---|---|---|---|---|
| 2024-01-11 | staking | signed | 100% | 23,412 ha |
Royalties and streams
| Date | Royalty | Holder | Status |
|---|---|---|---|
| 2023-06-09 | NSR 1% | Appia Rare Earths & Uranium | agreed |
NI 43-101 technical reports
| Date | Report | Author |
|---|---|---|
| 2024-04-16 | resource, filed | SGS Canada |
| 2024-03-01 | resource, commissioned | SGS Canada |
| 2023-11-07 | resource, commissioned | SGS Geological Services |
News timeline
| Date | Headline |
|---|---|
| 2025-10-14 | Appia Receives Notice of Intention to Close from Ultra in Relation to the PCH REE Project Transaction |
| 2024-04-16 | Appia Files NI 43-101 Technical Report on Maiden Indicated and Inferred Mineral Resource Estimate for the PCH Ionic Adsorption Clay Project in Goias, Brazil |
| 2024-03-01 | Appia Announces Maiden Rare Earth Mineral Resource Estimate of 6.6 Million Tonnes Indicated Grading 2,513 ppm TREO and 46.2 Million Tonnes Inferred grading 2,888 ppm TREO at the PCH Ionic Adsorption Clay Project in Goias |
| 2024-02-08 | Appia Announces Outstanding Re-Assayed Diamond Drill Results Including 100 Metres Averaging 3,577 PPM TREO at Its PCH Ionic Clay Project, Brazil |
| 2024-01-16 | Appia Reports 92,758 ppm (9.3%) TREO, 13,798 ppm MREO (1.38%) and 2,241 (.24%) ppm HREO over 2m Within the Total Weighted Average of 38,655 ppm (3.87%) TREO, 6,869 ppm (.69%) MREO, and 1,380 ppm (.14%) HREO Across 24m (E |
| 2024-01-11 | Appia Receives Approval for 12 Additional Claim Blocks at Its PCH Rare Earths Ionic Adsorption Clay Project, Goias, Brazil |
| 2023-11-09 | Appia Reports New Assay Results Increasing the Total Weighted Average to 2,287 PPM TREO Across 57 RC Drill Holes at its PCH Ionic Clay Project, Brazil |
| 2023-11-07 | Appia Rare Earths & Uranium Corp. Engages SGS Geological Services to Complete a Maiden Mineral Resource Estimate on Target IV and an NI 43-101 Technical Report on Its PCH Rare Earth Ionic Clay Project in Brazil |
| 2023-10-31 | Appia Reports Extraordinary Assay Drill Results From Its PCH Ionic Clay Project, Brazil |
| 2023-10-16 | Appia Reports Remarkable Drilling Results; Doubles Depth of Mineralized Zones at the PCH Ionic Clay Project, Brazil |
| 2023-09-28 | Appia Provides Update on its Extensive Drilling Program at its PCH Ionic Clay Project, Brazil |
| 2023-08-31 | Appia Deploys Third Drill at PCH Ionic Clay Project in Brazil |
| 2023-08-24 | Appia Provides Update on Its 300 Hole RC Drilling Campaign at Its PCH Ionic Clay Project, Brazil |
| 2023-06-20 | Initial Results Confirm Widespread Mineralization at Appia's Ionic Clay Project in Goias State, Brazil |
| 2023-06-09 | Appia Signs Definitive Agreement to Acquire up to a 70% Interest in Ionic Clay Project, Brazil |
Other projects of Appia Rare Earths & Uranium Corp.
Appia Rare Earths & Uranium Corp. properties
- Alces Lake
- Eastside
- Elliot Lake
- Loranger
- North Wollaston
- Otherside
- Ultra Hard Rock / Ultra IAC (formerly PCH Project)
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