|
Process |
Mechanism |
Mineral |
Examples |
1 |
Biologically induced (biotransfer extracellular) |
Soluble biopolymers |
Mn/FeOOH |
Leptothrix |
|
|
Spore coats gas/ion exchange H2S CO2/pH |
Mn/FeOOH |
Bacillus |
|
|
Nucleation proteins |
H2O(ice) |
Pseudomonas syringae |
2 |
Biologically controlled (biosynthesis intracellular) |
Ferritin micelles |
Fe3S4/FeS2 |
Wild types |


