A new study by University of Alberta scientists shows that banded iron formations originated from oxidized iron, confirming the relevance and accuracy of existing models—a finding of great importance ...

Visually striking layers of burnt orange, yellow, silver, brown and blue-tinged black are characteristic of banded iron formations, sedimentary rocks that may have prompted some of the largest ...

MADISON — The strikingly banded rocks scattered across the upper Midwest and elsewhere throughout the world are actually ambassadors from the past, offering clues to the environment of the early Earth ...

Rocks in West Greenland resemble cake marbled with chocolate and vanilla. They’re now the oldest evidence of Earth’s magnetic field. Isua Supracrustal Belt rocks contain an alternating banded iron ...

A new study shows that banded iron formations originated from oxidized iron, confirming the relevance and accuracy of existing models -- a finding of great importance to the geological community. A ...

A new study suggests iron-rich ancient sediments may have helped cause some of the largest volcanic events in the planet's history. Visually striking layers of burnt orange, yellow, silver, brown and ...

MADISON — The strikingly banded rocks scattered across the upper Midwest and elsewhere throughout the world are actually ambassadors from the past, offering clues to the environment of the early Earth ...