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Apple’s iPhone boom highlights critical minerals powering smartphones•Presenting a united front for Queensland’s copper sector•Thailand seeks Myanmar mine access amid arsenic pollution•Egypt to set up state-backed company to license artisanal gold miners, free detainees•Brixton closes $7.4 million raise for Thorn, Langis projects•Heliostar banks record $78.7 million for Ana Paula push•Mining giants bet billions on 2030 supply crunch•Gunnison Copper reports Q3 output, revenue surge•Triumph Gold targets $15.46 million for Yukon push•African Rainbow Minerals faces a jobs dispute at Nkomati mine•Angola seeks 10% stake in De Beers under Anglo’s proposed exit•Gold price rebounds but heads for biggest weekly loss since June•Teck copper strike reaches BC port as operator sues union•Copper benchmark rocked by miner-smelter tug-of-war•Zimbabwe mining bill targets community, environmental safeguards•Mount Isa critical minerals hub secures Feasibility Study funding•Eramet initiates $814.5 million capital raise to reduce debt•Richemont backs natural gemstones, declines De Beers comment•‘Tis the season for administration as Comlek falls a second time•OceanaGold Philippines trials wireless blasting at Didipio mine Apple’s iPhone boom highlights critical minerals powering smartphones•Presenting a united front for Queensland’s copper sector•Thailand seeks Myanmar mine access amid arsenic pollution•Egypt to set up state-backed company to license artisanal gold miners, free detainees•Brixton closes $7.4 million raise for Thorn, Langis projects•Heliostar banks record $78.7 million for Ana Paula push•Mining giants bet billions on 2030 supply crunch•Gunnison Copper reports Q3 output, revenue surge•Triumph Gold targets $15.46 million for Yukon push•African Rainbow Minerals faces a jobs dispute at Nkomati mine•Angola seeks 10% stake in De Beers under Anglo’s proposed exit•Gold price rebounds but heads for biggest weekly loss since June•Teck copper strike reaches BC port as operator sues union•Copper benchmark rocked by miner-smelter tug-of-war•Zimbabwe mining bill targets community, environmental safeguards•Mount Isa critical minerals hub secures Feasibility Study funding•Eramet initiates $814.5 million capital raise to reduce debt•Richemont backs natural gemstones, declines De Beers comment•‘Tis the season for administration as Comlek falls a second time•OceanaGold Philippines trials wireless blasting at Didipio mine
14 September 2026
WRITTEN BY Oriel Morrison-Higgins

PTR brings the grade at Rosewood

PTR Minerals (ASX:PTR) is sharpening the development picture at Rosewood East within its Muckanippie Project in South Australia.

CEO Peter Reid breaks down the latest work:

  • Mining: Early benches could grade between 15% and 17% heavy minerals (HM)
  • Rosewood East: More than 200 million tonnes at 12% HM
  • Processing: Wet separation alone has produced concentrate grading above 99% HM
  • Mine life: Rosewood East could support more than 20 years at a higher mining rate
  • Next steps: Scoping Study and further exploration are progressing

Heavy minerals. Lighter flowsheet. 

About the guest and company

Peter Reid is CEO of PTR Minerals. The company is advancing the Muckanippie Project in South Australia, where Rosewood is a key focus of its titanium-rich heavy mineral sands work.

🎥 Watch the full interview for the latest on grades, processing, and what comes next at Rosewood.

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Written By Oriel Morrison-Higgins
With more than 20 years in broadcasting across television and radio, Oriel brings deep media expertise to sustainability, future industries and executive leadership. Her work focuses on translating complex issues into clear, compelling narratives that resonate with diverse audiences.

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