It's called Enhanced Weathering of Minerals. They mention olivine in its description page: https://www.drawdown.org/solutions/coming-attractions/enhanced-weat

It's called Enhanced Weathering of Minerals. They mention olivine in its description page: https://www.drawdown.org/solutions/coming-attractions/enhanced-weathering-minerals https://www.drawdown.org/solutions/coming-attractions/enhanc... They don't try to quantify the potential, though.