Pennsylvanian Fern Imprint (022218j)


SKU 022218j Category

Out of stock


Pennsylvanian Fern Imprint (022218j)

  • Name: Alethopteris sp
  • Age: Carboniferous (Pennsylvanian) Age 280 mill yrs
  • Formation: Llewellyn Formation
  • Location: St. Clair, Pennsylvania
  • Nice specimen with many ferns on both sides
  • Pennsylvanian fern plant fossils from eastern Pennsylvania anthracite coal mines. The ferns are preserved in the mineral pyrophyllite,
    which sometimes gives them a crisp bold white or silver appearance. Pyrophyllite is a pyrite pseudomorph. Any orange or gold color was caused by
    iron ores in the ground.
  • This collecting locality has now been closed and in the future these specimens will be hard to obtain
    Price is $45.00

Additional information

Weight 9 lbs
Dimensions 8 × 8 × 8 in