Figures F1-F8
Tables T1-T3

F1. Magnetized needle.

F2. Magnetic susceptibility, Holes 1225A and 1225C.

F3. Magnetic susceptibility, Holes 1227A and 1227D.

F4. TEM images of magnetosomes.

F5. Mr/Ms plots.

F6. ARM measurements, Sites 1225 and 1227.

F7. Site 1225.

F8. Site 1227.

Tables T1-T3

T1. Susceptibility and ARM data, Site 1225.

T2. Susceptibility and ARM data, Site 1227.

T3. S-ratio, Site 1225.

Figures F1-F8
Tables T1-T3