The rock is approximately 2.5 billion years old. Dark bands are iron oxides (hematite, magnetite), reddish bands are chert with iron oxide inclusions (jasper), and gold bands are amphibole and quartz.

A new study shows that iron-bearing rocks that formed at the ocean floor 3.2 billion years ago carry unmistakable evidence of oxygen. The only logical source for that oxygen is the earliest known ...

People from cultures across the world have been looking at Mars since ancient times. Because it appears reddish, it has often ...

Mars isn’t a bright, fire-engine red, but the iron oxide in its rocks makes it appear redder than other planets, especially ...

This posting: Orange-like rocks in Utah with iron-oxide rinds and fossilized bacteria inside that are believed to have eaten the interior rock material, plus noted similarities to "bacterial meal ...

The waves of colourful rock within the specimen are made up of black and red bands of iron oxide (mostly haematite and some magnetite), interspersed with lighter sedimentary rock (silica). Scientists ...

Using iron oxide to determine when the Nullarbor dried up was a very novel technique, said Tim Cohen, a geomorphologist at the University of Wollongong. "It's pretty unusual. This is the first ...

"Iron oxides trap phosphorus because they have different charges," Aristilde said. ... Because phosphorus is a finite resource—mined from phosphate rock found only in the United States, ...

This posting: Orange-like rocks in Utah with iron-oxide rinds and fossilized bacteria inside that are believed to have eaten the interior rock material, plus noted similarities to "bacterial meal" ...

The rocks contain iron oxides that sank to the bottom of oceans long ago, forming dense layers that eventually turned to stone. The study published this week in Nature Geoscience suggests the iron ...

Iron-rich rocks unlock new insights into Earth's planetary history. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2023 / 05 / 230525140951.htm ...