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Description: | This black limestone pebble contains the fossilised remains of crinoids (sea lilies) and brachiopods (lampshells). These are the white markings on the surface of the pebble. This pebble has become smooth as it has rolled among other pebbles on the beach, by the action of the sea. The fossils in the pebble have been worn away, so their shapes can be misleading. Sometimes the crinoids can look like 'the mint with the hole', or rows of teeth. Fossilised shells sometimes look like figure '6's or '9's. The part seen at the surface of the rock depends on what angle you are looking at the fossil. | License: | http://www.imagine.org.uk/about/copyright/ | Rights holder: | Tyne & Wear Museums | Subjects: | fossils natural world | Source: | Tyne and Wear Imagine | Identifier: | http://www.imagine.org.uk/details/index.... | Go to resource |
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