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Alethopteris Fossil

Frond of Alethopteris, a seed "fern" from the Carboniferous Period, Pennsylvania Epoch, some 300 million years ago. The reddish color is caused by oxidation of iron carbonate. Collected in Schuylkill County, Pennsylvania. Specimen courtesy of Pennsylvania State Museum, Klose Coal Fossil Collection.
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Title:
Alethopteris Fossil
Caption:
Frond of Alethopteris, a seed "fern" from the Carboniferous Period, Pennsylvania Epoch, some 300 million years ago. The reddish color is caused by oxidation of iron carbonate. Collected in Schuylkill County, Pennsylvania. Specimen courtesy of Pennsylvania State Museum, Klose Coal Fossil Collection.
Credit:
Album / Science Source / Theodore Clutter
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Image size:
3000 x 4623 px | 39.7 MB
Print size:
25.4 x 39.1 cm | 10.0 x 15.4 in (300 dpi)
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