Banded Iron Formation

A nearly 3-billion-year-old banded iron formation from Canada shows that the atmosphere and ocean once had no oxygen. 

Banded iron formation (BIF) - Stock Image - C029/7116 - Science

Banded Iron Formations BIF

Brockman Iron Formation - National Rock Garden

Study confirms banded iron formations origina

Banded iron formation: Mineral information, data and localities.

blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXs

Friday fold: Banded iron formation from the University of

New acquisition: A rock that is 2.5 billion years old - The Australian Museum Blog

Ficheiro:Jaspilite banded iron formation (Soudan Iron-Formation

Banded iron formations: oceans, algae and iron oxide - CSIRO

File:Glacially eroded jaspilite banded iron formation outcrop