Geology at Chimney Rock Park NC

Chimney Rock: 535 Million Years in the Making

It took more than half a billion years to make Chimney Rock! The process began during the Earth's distant geologic past, when a portion of its molten interior welled up, cooled and solidified into a huge mass of granite deep below the surface. Jump ahead millions of years, after high temperatures and extreme pressure changed the mass from granite to Henderson Gneiss (pronounced "nice"), the rock that forms our magnificent namesake, the 535-million-year-old Chimney and its surrounding cliffs.

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