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Saturday, 07/12/2025 11:46:58 PM

Saturday, July 12, 2025 11:46:58 PM

Post# of 1203
OZZ MAN Potential Hidden Extensions of Gold Breccia Pipes at Colosseum
Dateline Resources Limited (ASX: DTR, OTC: DTREF) is pleased to provide an update on commencement of additional exploration at the Colosseum Project in California, USA. Recent field mapping and geochemical sampling of felsite (rhyolite) outcrops located west and southwest of the Colosseum open pits have returned encouraging geochemical anomalies, potentially confirming the extension of the mineralized footprint. Highlights•
Tangible evidence of a broader mineralized system at Colosseum -Points to potential for hiddengold zones beyond historical workings.•

Substantial exploration upside now clearly emerging - Felsite outcrops analysed west and southwest of the Colosseum pitswarrant follow upto determine the feasibility of mining an extended mineralized system.

•Orientation matches the breccia pipe system and modelled felsite body - Analysed felsite dykes structurally aligned with known mineralized trends

•Multi-element pathfinders in felsite samples - Antimony (Sb), Bismuth (Bi), and Tellurium (Te) presence suggests mineralizing system potential.

•Geochemistry points to an intrusion-related gold system (IRGS) -Signature Bi–Te–Sb halo consistent with a distal position within a vertically zoned system.

Surface results mirror top zones of known IRGS-style breccia pipes -Supports theory that gold-rich core may exist at depth below current exposures.•All 641 historic drillholes targeted only the breccia pipes with surface exposure.
•Large areas of the property remain effectively untested - No comprehensive geochemical program ever completed across the claims.

•Rare Earths (REE) project bolstered by potential larger Gold deposit – REE exploration plan on track to be reviewed to be completed early June.

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