Banded jasper. This common mineral is also known as banded ironstone. It was laid down in every continent due to the availability of oxygen produced b

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Banded jasper. This common mineral is also known as banded ironstone. It was laid down in every continent due to the availability of oxygen produced by the first photosynthetic organisms.

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Photo credit: © TH FOTO-WERBUNG/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: banded, calico, earth, geology, haematite, ironstone, jasper, mineral, mineralogy, precambrian, quartzite, rock, science, stone, uncut