en.Wedoany.com Reported - enCore Energy Corp. has reported positive results from initial exploration drilling tests at the Alta Mesa East (AME) asset adjacent to the Alta Mesa wellfield in Texas, confirming that uranium mineralization extends more than 3,700 feet eastward from the existing wellfield.
This exploration drilling aims to delineate the mineralized area to support permitting and construction for the expansion from the existing Alta Mesa In-Situ Recovery (ISR) operation into AME. enCore Executive Chairman William M. Sheriff stated that the initial results confirm expected uranium grades across all major mineralized sand units at Alta Mesa, where extraction operations, including those at Wellfield 7, are currently underway. An aggressive drilling program is ongoing, with more results to be announced.
Exploration drilling at enCore's 5,900-acre AME project continues with six rigs in operation, targeting extensions of the productive mineral rolls from Alta Mesa Wellfields 1, 3, 3EXT, 4, 5B, and 7. Overall exploration focuses on mineralization in the B sand, middle C sand (MCL and MCU), lower C sand (LCL and LCU), and potentially the D sand. Initial exploration is typically conducted at 400- and 500-foot spacings, with closer offsets in mineralized areas. The average total depth of drilling is approximately 600 feet, with mineralization encountered in the middle C sand at depths of 400 to 460 feet and the lower C sand at depths of 480 to 520 feet. Of the 17 reported drill holes, 10 showed mineralization, with Grade Thickness (GT) values ranging from 0.351 to 2.297 in six holes. It should be noted that holes with thicknesses less than 2 feet and grades below 0.02% U3O8 are not reported, and ISR-recoverable uranium with a GT greater than 0.3 is considered suitable for inclusion in a wellfield.
Key drill hole results are as follows: Hole 12-9 returned 0.118% eU3O8 over 2.5 feet at a depth of 442.0 feet in the MCL horizon, with a GT of 0.294; Hole 12-8 returned 0.164% eU3O8 over 14.0 feet at a depth of 429.5 feet in the MCL horizon, with a GT of 2.297; Hole 12-15 returned 0.108% eU3O8 over 5.0 feet at a depth of 502.0 feet in the LCL horizon, with a GT of 0.682; Hole 12-7 returned 0.158% eU3O8 over 7.0 feet at a depth of 413.0 feet in the MCU horizon, with a GT of 1.106, and 0.068% eU3O8 over 3.0 feet at a depth of 500.0 feet in the LCL horizon, with a GT of 0.205, for a total hole GT of 1.311; Hole 12-21 returned 0.152% eU3O8 over 4.0 feet at a depth of 415.0 feet in the MCU horizon, with a GT of 0.705; Hole 12-41 returned 0.181% eU3O8 over 5.5 feet at a depth of 415.0 feet in the MCU horizon, with a GT of 0.995; Hole 15-1 returned 0.078% eU3O8 over 4.5 feet at a depth of 429.5 feet in the MCL horizon, with a GT of 0.351; Hole 12-6 returned 0.036% eU3O8 over 2.5 feet at a depth of 406.0 feet in the MCU horizon, with a GT of 0.095, and 0.027% eU3O8 over 2.5 feet at a depth of 494.0 feet in the LCU horizon, with a GT of 0.068, for a total hole GT of 0.163. All intercepted mineralization is within the Pliocene Goliad Formation. The company has identified four saturated mineralized sandstone horizons within this formation at depths of approximately 400 to 520 feet, with the water table located approximately 180 feet below the surface.
Dr. John M. Seeley (P.G., C.P.G.), Vice President of Exploration and Production at enCore, as the Qualified Person under Canadian National Instrument 43-101 and U.S. Securities and Exchange Commission S-K 1300, has reviewed and approved the technical disclosures in this news release on behalf of the company.
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