1Relating to or denoting the third period of the Paleozoic era, between the Ordovician and Devonian periods.
- Conventionally, the Cambrian, Ordovician, and Silurian systems constitute the Lower Palaeozoic and the Devonian, Carboniferous, and Permian comprise the Upper Palaeozoic.
- These are overlain by low-grade metamorphosed sediments and volcanics of Ordovician and Silurian age.
- The so-called ophiolitic relics at the Moldanubian-Brunovistulian boundary show Early Ordovician to Silurian crystallization ages.
1.1 (as noun the Silurian) The Silurian period or the system of rocks deposited during it.
Words that rhyme with SilurianArthurian, Ben-Gurion, centurion, durian, holothurian, Khachaturian, Ligurian, Missourian, tellurian
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