Has the century-old mystery of Antarctica’s “Blood Falls” finally been solved?

The culprit: tiny non-crystalline nanospheres rich in iron, silica, calcium, aluminum, etc.

https://arstechnica.com/science/2023/07/has-the-century-old-mystery-of-antarcticas-blood-falls-finally-been-solved/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social