Black layers in the radiolarian chert that are rich in Manganese Oxide, in a Manganese pit, Oman

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Size: 5184px × 3240px
Location: Manganese pit, Oman
Photo credit: © Sophie Godefroy / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: chert, manganese, oman, oxide, pit, radiolarian