FOSSIL SEED FERN IN NODULE - Mazon Creek Fossil Beds. USA
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Small but beautifully preserved fossil fern in an ironstone nodule
310 million years old
Mazon Creek Fossil Beds
Braidwood, Illinois, USA
A split ironstone concretion showing a seed fern frond from the famous Mazon Creek fossil beds.
Mazon Creek is a tributary of the Illinois River, situated some 90 miles south-west of Chicago. It has given its name to the remarkable fossils that have been found, mostly from the spoil heaps of the strip coal mines that were operating in the area over the last century. More than 200 species of fossil plants have been found here.
Click on a picture for a larger image
Small but beautifully preserved fossil fern in an ironstone nodule
310 million years old
Mazon Creek Fossil Beds
Braidwood, Illinois, USA
A split ironstone concretion showing a seed fern frond from the famous Mazon Creek fossil beds.
Mazon Creek is a tributary of the Illinois River, situated some 90 miles south-west of Chicago. It has given its name to the remarkable fossils that have been found, mostly from the spoil heaps of the strip coal mines that were operating in the area over the last century. More than 200 species of fossil plants have been found here.
Click on a picture for a larger image
Size: 6 x 4 x 3.5 centimetres
Weight: 115 grams
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