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Precio

186.45 CTS USA FERN FOSSIL 300 MILLION YRS OLD MS 456

5127
1

SKU
Dimensiones (mm)
x x mm
Peso (cts)
Colores

FERN FOSSIL

PENNSYLVANIAN AGE

ILLINOIS

USA

SIZE 54X33X10 MM

Approximately 300 million years ago (during a time geologists call the Pennsylvanian Period) Illinois looked nothing like it does today. Much of it was not even dry land. Much of the area that we now call Illinois was a mixture of swampy lowlands and shallow marine bays.

From the northeast flowed at least one major river system. The river(s) built large deltas through the low swamps and into the shallow bays. The mud that the river(s) carried was deposited in these deltas and bays. This mud turned into a rock called the Francis Creek Shale.

In some ways the area might have been similar to southern Louisiana (USA) and the adjacent Gulf of Mexico. However, the plants and animals would have been very different from today. They were different for at least two reasons. First, many of the plants and animals that are common today had not yet evolved at that time. Second, the climate would have been tropical. The tropical climate was a result of continental drift; 300 million years ago the area was just a few degrees north of the equator.

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mygems
Introducing MyGems, your ultimate online destination for exquisite gems and minerals. With over two decades of trading expertise in Australia, we bring you a curated selection of the finest treasures from around the world. Explore our collection and indulge in the beauty of nature's creations, all at MyGems.
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3740 de comentarios

  • krisgrif
    krisgrif
    Positivo

    What a gorgeous, unique stone. Fast shipping.

  • wtakano
    wtakano
    Positivo

    Received 36 days after purchase. It is a beautiful piece and has excellent energy. I am so grateful to have this piece in my inventory.

  • valley
    valley
    Positivo

    Beautiful specimen. Item was just as described. I received it quickly. Great experience.

  • novarew
    novarew
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    Paid and shipped - no feedback left after 100 days

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Descripción general

Tipo de listado : Standard
ID del Producto : 278082
Empieza : 30th January 2025 08:55 pm PST
* Todos los precios están en USD