Definition of Sandbian. Meaning of Sandbian. Synonyms of Sandbian

- The Sandbian is the first stage of the Upper Ordovician. It follows the Darriwilian and is succeeded by the Katian. Its lower boundary is defined as the...
- The Llanvirn corresponds to the late Darriwilian. The Caradoc covers the Sandbian and the first half of the Katian. The Ashgill represents the second half...
- It is preceded by the Dapingian and succeeded by the Upper Ordovician Sandbian Stage. The lower boundary of the Darriwilian is defined as the first appearance...
- and zircon from the Brent impact structure, Canada: a Late Ordovician Sandbian–Katian boundary event ****ociated with L-Chondrite parent body disruption"...
- Spiriferidae. Species belonging to the genus lived from the Middle Ordovician (Sandbian) through to the Late Tri****ic (Carnian) with a global distribution. They...
- evidence from the Sandbian reveals three possible glaciations: an early Sandbian glaciation, a middle Sandbian glaciation, a late Sandbian glaciation. Although...
- the Gull River Formation in Kingston, Ontario, dating from the latest Sandbian, late Ordovician, c. 454 million years ago. This site was a warm-water...
- trilobites, bivalves, corals and conodonts. 445.2 ± 0.9 * Katian 452.8 ± 0.7 * Sandbian 458.2 ± 0.7 * Middle Darriwilian 469.4 ± 0.9 * Dapingian 471.3 ± 1.4 *...
- −400 — – −390 — – −380 — – −370 — – −360 — O S D L Ll W Lu Pridoli E M L Sandbian Katian Hirnantian Rhuddanian Aeronian Telychian Sheinwoodian Homerian Gorstian...
- Formation Sandbian-Katian (Oandu) Duksta Formation Sandbian-Katian (Oandu) Dysna Formation Sandbian-Katian (Oandu) Jakšiai Formation Sandbian-Katian (Rakvere)...