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Silurian |
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Silurian 1. of, denoting, or formed in the third period of the Palaeozoic era, between the Ordovician and Devonian periods, which lasted for 25 million years, during which fishes first appeared 2. of or relating to the Silures Silurian [si′lu̇r·ē·ən] (geology) A period of geologic time of the Paleozoic era, covering a time span of between 430-440 and 395 million years ago. The rock system of this period. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| It was an elite built on mineral wealth, a wealth that was made possible by the formation some 500,000,000 years ago during the Silurian era of beds of iron ore. |
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