EXPLORATION & DEVELOPMENT

Sheffield's Thunderbird resource soars

SHEFFIELD Resources has almost doubled its estimates of high-grade heavy minerals at its Thunderbird project following a mineral resource update.

Jack McGinn
Sheffield's Thunderbird resource soars

The project's high-grade component now stands at 1.08 billion tonnes at 11.8% heavy minerals — a 46% increase on figures released in March of 740Mt at 12.1%. The high-grade zone contains grades of...

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