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Fernando de Noronha, Brasil.

moqui marbles, utah Iron oxide concretions (Moqui marbles) Moqui Marbles, hematite concretions, from the Navajo Sandstone of southeast Utah. Scale cube, with "W", is one centimeter square. The Navajo Sandstone is also well known among rockhounds for its hundreds of thousands of iron oxide concretions

Raplee Ridge / Near Mexican Hat, Utah

Sedimentary layers--Kejser Franz Joseph Fjord, Greenland.

Ash Paw Canyon, New Mexico #travel #usa #newmexico