Deep basalt storage

Question 1

Natural or human

Answer 1

Human

Question 2

What

Answer 2

CO2 reacts with basalt to dense, stable minerals that settle on the seabed

Question 3

Pros

Answer 3

Basalts on and offshore in all continents, rapid mineralisation

Question 4

Cons

Answer 4

Leak risk as low ductility, expensive, little research

Question 5

Iceland

Answer 5

Carbfix, reacts with volcanic rocks to carbonate minerals, 95% in 2 years, money issue