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Geologic survey: Wyoming has dimensional-stone resources but needs targeted mapping to identify "curling-stone" material
Summary
State geologists told the committee that while Wyoming hosts granite and gabbro bodies with potential for dimensional stone, only about 16% of the state is mapped at exploration scale; targeted geologic and geophysical mapping and stakeholder outreach would be needed to locate Olympic-grade curling-stone material or support a dimensional-stone industry.
The Wyoming Geological Survey briefed the committee on whether Wyoming could supply material for curling stones and, more broadly, on the state's dimensional-stone potential. Interim State Geologist Rainey Linz said the rock used for Olympic-grade curling stones is usually specific gabbro/monzonite/granite varieties that are relatively unaltered, fine-to-medium grained and have the right mineral mix and physical toughness.
"I don't have that answer right now," Linz…
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