Meet BIF (Banded Iron Formation): The World's Toughest Rock — Michigan Rockhounds
Earth Sciences Museum on Twitter: "Now here's a fantastic specimen! This marvellously striated rock is a banded iron formation! Our banded iron formation is sedimentary rock comprising interbedded layers of red jasper
Banded iron formation: Mineral information, data and localities.
Study confirms banded iron formations origina | EurekAlert!
Faulted jaspilite banded iron formation (BIF) (Hamersely G… | Flickr
Fossils of the Superior Upland — Earth@Home
Learning Geology: Banded-iron formations (BIFs) - Evidence of Oxygen in Early Atmosphere
Banded Iron Formation of Hamersley Range | U.S. Geological Survey