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Abstract

The invention comprises a method of making a mineral plant nutrient. The method comprises screening or reducing in size basaltic hyaloclastite or intermediate basaltic hyaloclastite to a powder form having volume-based mean particle size of less than or equal to 100 μm; and combining the basaltic hyaloclastite or intermediate hyaloclastite powder with soil. The plant nutrients are absorbed by the crop and the carbonatable minerals released from the hyaloclastite react with CO₂ from the ground and air. Elements weathered into the separate plant nutrients and carbonatable elements. Plant nutrients such as K, P, S, B, Co, Cu, Fe, Mo, Zn and Ni are used by the crop plants as nutrients. Carbonatable elements such as Ca, Mg, K, Na and Fe react with CO₂ from the hyaloclastite, in the ground and the air to create simple or complex carbonated mineral, thereby mineralizing CO₂ Optionally, the hyaloclastite can be substituted with lava, scoria, volcanic ash or pumice containing carbonatable elements that when dissolved in soil can react with CO₂ and create simple or complex carbonate minerals thereby mineralizing or sequestrating CO₂

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First Claim