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Opalton locals | by Dig the Tropic
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Opalton locals

Unique to Queensland’s Tropic of Capricorn, boulder opal occurs within a belt of deeply weathered Cretaceous sedimentary rocks, known as the Winton Formation. Dig for your own opals at Opalton, 124 kilometres from Winton (unsealed road).

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Taken on November 23, 2009