Pulverizing rocks such as olivine, which contain magnesium silicate ... Other startups are injecting captured carbon dioxide into peridotite rock formations and speeding up mineralization.

Harzburgite — a variety of peridotite — is the main rock within ... As the seawater hits the minerals, the olivine and pyroxene within the periodite turn into serpentine minerals and produce ...

These formations are dominated by ultramafic rocks, notably peridotite, which consists primarily of olivine and pyroxene minerals rich in nickel, chromium, magnesium, and iron. When peridotite ...