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Weekly Native American Artifact

Lot 282:

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Mazon Creek Fern Fossil-Mazon Creek fossils, found in northern Illinois, are renowned for their exceptional preservation of both hard and soft tissues of animals and plants. These fossils are encased in ironstone concretions within the Francis Creek Shale

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Estimated price: $15 - $10,000

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Description

Mazon Creek Fern Fossil-Mazon Creek fossils, found in northern Illinois, are renowned for their exceptional preservation of both hard and soft tissues of animals and plants. These fossils are encased in ironstone concretions within the Francis Creek Shale, a formation from the Pennsylvanian period, around 309 million years ago.