Iron-oxide concretions and nodules
By A Mystery Man Writer
Description
Concretion - Wikipedia
Iron-Oxide Concretions and Nodules, 1, Some Meteorite Information, Washington University in St. Louis
KGS--Bulletin 156--Stratigraphy of the Carlile Shale (Upper
Self-organized iron-oxide cementation geometry as an indicator of paleo-flows
Concretion - Wikipedia
Navajo Ss concretion, 3D view
Iron concretion hi-res stock photography and images - Alamy
Iron-Oxide Concretions and Nodules, 1, Some Meteorite Information, Washington University in St. Louis
Iron-oxide concretions and nodules
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