Science Crinoid fossils
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Copyright: Geological Survey Ireland
Image Size: 1280 x 1024    Uploaded on: 29/01/2009
County: Unknown   Rating: 

Licence: Creative Commons Licence

Crinoid fossils being exposed in limestone using a solution. Crinoids, also known as sea lilies or feather-stars, are marine animals. Limestone is a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals.

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