Dateline Resources identifies 200m strike of rare earths at Music Valley with best grade 7.1% TREO. DOJ backs Colosseum gold project against NPCA suit.
Dateline Resources (ASX: DTR) identified a 200-metre strike of the Pinto Gneiss unit at its Music Valley project in California, with assays returning up to 7.1% total rare earth oxides.
The company's structural consultant located outcropping zones of the rare earth-bearing unit in three target areas that had never been sampled for rare earths, correlating with a thorium anomaly from recent airborne magnetic and radiometric surveys.
A total of 33 samples over a wide area returned anomalous TREO results, including a high proportion of magnet rare earth oxides. One sample showed the strongest yttrium-heavy rare earths response in the company's dataset, with 411ppm yttrium oxide and 106ppm dysprosium oxide, plus 25.8ppm terbium oxide.
In the northwest target area, 11 samples over the strike ranged from 1.09% TREO to 0.68% TREO. The southern target area returned best assays of 7.13% and 2.32% TREO, with a third sample at 1.07%. Dateline said further mapping and infill sampling would be needed to test continuity between exposures and define structural controls on enrichment.
The Music Valley project, acquired in February, comprises 57 claims over 1,140 acres. Six rock chip samples from the central area returned up to 0.66% TREO and 32.1% MREO, with all samples anomalous over a large area.
Separately, Dateline received support for its Colosseum gold-HREE project after the U.S. Department of Justice opposed proceedings brought by the National Parks Conservation Association against federal agencies. The DOJ argued that the existing Plan of Operations remains effective and authorises ongoing activities, and that the California Desert Protection Act preserved valid existing rights when the Mojave National Preserve was created. The DOJ also said the NPCA had not demonstrated imminent and irreparable harm. Colosseum occupies a previously disturbed mining area with alternative access available, according to the filing. The company continues to work under approved reclamation requirements.
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