Meet an Unreasonable Venture
Rock Flour Company
Repurposing glacial rock flour to store carbon at gigatonne scale.
Rock Flour Co. is developing a scalable, nature-based solution for net-negative agriculture. Its product, glacial rock flour (GRF), is an ultra-fine, unweathered silicate mineral from Greenland that enhances soil productivity while permanently sequestering CO₂ through enhanced weathering. The company holds exclusive rights to three billion tonnes of GRF, is piloting in Denmark, and targets a 200-million-hectare global market.
Notable Achievements
- Secured exclusive development rights for over three billion tonnes of glacial rock flour.
- Proven commercial value across more than 20 field trials.
- Backed by top-tier venture capital and strategic sovereign investors.
Currently Operating in One Region
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