In many cases, basalt naturally reacts with carbon dioxide, locking the carbon into a solid mineral similar to limestone, helping mitigate climate change.
Researchers believe they can speed up the natural carbon sequestration process in basalt by injecting carbon dioxide under high pressure, similar to fracking.
Projects are already underway, like one in Iceland, where emissions from a power plant are being sent into basalt formations below the surface.
There are numerous potential sites globally, including the central rift valley of Kenya and parts of the U.S. East Coast, for utilizing basalt in carbon capture.
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