Banded Iron Formation

Banded Iron Formation
Wikimedia Commons

Banded Iron Formation

Sedimentary

Hardness: ≈5.5–7 Approximate

Banded iron formation is a Precambrian sedimentary rock of alternating iron‑rich layers (hematite or magnetite) and silica (chert), typically showing red and...

BrecciaChertConglomerate (Puddingstone)LimestoneSandstoneShale

Banded iron formation is a Precambrian sedimentary rock of alternating iron‑rich layers (hematite or magnetite) and silica (chert), typically showing red and grey bands.

Parent: Sedimentary Rocks

Related: Breccia, Chert, Conglomerate (Puddingstone), Limestone

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