Pennsylvanian Fern Imprint (071818a)


SKU 071818a Category

Out of stock


Pennsylvanian Fern Imprint (071818a)                                                                                                                                                                        

  • World Famous White on Black Fossil Ferns from Pennsylvania  
    • 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 $32.00
  • Additional information

    Weight 7 lbs
    Dimensions 11 × 11 × 11 in