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Carboniferous Period Fossils - Large Red-Brown Shale Slab Of Compressed Coal-Age Forest Trees From Mazon Creek Fossil Beds, Morris, Illinois
This is a superb and highly detailed large fossil plate of petrified coal-age (Pennsylvanian) tree parts, highly compressed into fissile layers of red-brown shale, and found as overburden at the former coal mining site of the famous Mazon Creek Lagerstatten, a National Historic Landmark, in Illinois. Very solid and non-crumbly!! Measures 8.15 x 4.75 x 1.25 iā¦
This is a superb and highly detailed large fossil plate of petrified coal-age (Pennsylvanian) tree parts, highly compressed into fissile layers of red-brown shale, and found as overburden at the former coal mining site of the famous Mazon Creek Lagerstatten, a National Historic Landmark, in Illinois. Very solid and non-crumbly!! Measures 8.15 x 4.75 x 1.25 inches.
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Description
This is a superb and highly detailed large fossil plate of petrified coal-age (Pennsylvanian) tree parts, highly compressed into fissile layers of red-brown shale, and found as overburden at the former coal mining site of the famous Mazon Creek Lagerstatten, a National Historic Landmark, in Illinois. Very solid and non-crumbly!! Measures 8.15 x 4.75 x 1.25 inches.