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$17.50 USD
价格

243.45 CTS USA FERN FOSSIL 300 MILLION YRS OLD MS 469

11302
8

存货单位
尺寸(毫米)
x x mm
重量 (cts)
颜色

FERN FOSSIL

PENNSYLVANIAN AGE

ILLINOIS

USA

SIZE 55X34X15MM

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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FedEx折扣至$12.00 ,适用于包含2或更多商品的订单
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Registered Shipping $9.00 / :几天天 $16.00 / :几天天
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Registered Shipping折扣至$9.00 ,适用于包含2或更多商品的订单
世界其他地区
Registered Shipping折扣至$16.00 ,适用于包含2或更多商品的订单

mygems
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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  • youngergirl44
    youngergirl44
    积极的

    Quick shipping with FedEx to the US. The artifact is exactly as described. So cool to own a bit of history like this!

  • youngergirl44
    youngergirl44
    积极的

    Quick shipping with FedEx to the US. The stone has the polarization expected with real Iceland spar. I'm very happy with this purchase!

  • youngergirl44
    youngergirl44
    积极的

    Quick shipping with FedEx to the US. It was well packaged. The one I received did have a small crack and chip in the lip, but stuff like that is expected with a natural material like this. I'm happy with my purchase.

  • janetandjoel
    janetandjoel
    积极的

    Paid and shipped - no feedback left after 100 days

15%
优惠券代码 MYGEMDEALS
有效期至
2nd Jan 2025

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送货细节

船运:
$16.00 21通过Registered Shipping计数天数
发货自:
Australia

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  • paypal
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该卖家在Australia交易中添加了10.00%税。

概述

列表类型 : Standard
产品编号 : 278095
开始 : 19th December 2024 09:10 pm PST
* 所有价格均以:货币为单位