NASA scientists have identified ferrihydrite as the dominant iron oxide in Martian dust ... have revealed spectral signatures ...

A study published in the journal Nature Communications on Feb. 25, 2025 found that ferrihydrite, which is a "hydrated iron oxide-bearing mineral," is the key mineral that makes up Mars' red dust.

Keep reading to learn more. A study published in the journal Nature Communications on Feb. 25, 2025 found that ferrihydrite, which is a "hydrated iron oxide-bearing mineral," is the key mineral that ...

Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States Integrated Molecular Structure Education and Research Center, Northwestern University, Evanston, Illinois ...

If the ferrihydrite is the basis of Martain soil, then it must also mean that at some point a more liquid or humid environment existed on Mars, which hydrated the iron oxide. But the existence of ...

In the resh water, the hydrated peroxide of iron is *een forming; while in the brine, only a dight tinge of a greenish infusion can be de--ectedj a sure indication of the scarcity of oxygen.

Department of Earth Sciences, Freie Universität Berlin, Berlin 12249, Germany ...

The previous leading theory was that the iron oxide was hematite which had been formed under dry surface conditions. Ferrihydrite, on the other hand, usually forms quickly in the presence of water.

Staying hydrated during Ramadan is essential for health and energy. Follow these seven simple tips to maintain hydration while fasting. Drink plenty of water between Iftar and Suhoor. Aim for at least ...

We found goethite was the only mineral that didn’t trap all the phosphorus after the reaction.” The team discovered that each type of iron oxide exhibited varying degrees of catalytic activity for ...

‘I found them in the Azores, in these lava caves where there’s lots of basalt and water,’ says Valantinas. ‘I also found ferrihydrites in iron-rich streams along the east coast of the US.’ They then ...