Definition of Ashgillian. Meaning of Ashgillian. Synonyms of Ashgillian

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Definition of Ashgillian

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Meaning of Ashgillian from wikipedia

- The Ordovician (/ɔːrdəˈvɪʃi.ən, -doʊ-, -ˈvɪʃən/ or-də-VISH-ee-ən, -⁠doh-, -⁠VISH-ən) is a geologic period and system, the second of six periods of the...
- through time. Four of these peaks were statistically significant: the Ashgillian (end-Ordovician), Late Permian, Norian (end-Tri****ic), and Maastrichtian...
- episode at c. 440 Ma, is recorded in Late Ordovician strata (predominantly Ashgillian) in West Africa (Tamadjert Formation of the Sahara), in Morocco (Tindouf...
- age in the southwest and in the far northeast of the county. It is the Ashgillian age Nantmel Mudstones which form the rocky coast between Gwbert and Aberporth...
- lived in the Ordovician period, from the Lower Arenig stage age until the Ashgillian age (478.6-443.7 million years ago). During the Ordovician they inhabited...
- spjeldnaesi. Sp nov synonym Reed Ashgillian  Scotland transferred to Similodonta in 1964 Nucula magna. Sp nov synonym Lamont Ashgillian  Scotland transferred to...
- and X.C. Yang. Community paleoecology as a geologic tool: the Chinese Ashgillian-Eifelian (latest Ordovician through early Middle Devonian) as an example...
- Campanian Campanian shale marine Beaverfoot Formation Ordovician to Silurian Ashgillian to Llandoverian dolomite marine Beaverhill Lake Group Devonian late Givetian...
- lived in the Ordovician period, from the Tremadocian age until the Lower Ashgillian age (488.3-449.5 million years ago). These arthropods were a low-level...
- Ulrich Ashgillian Upper Richmond Group, Minnesota  USA transferred to Similodonta in 1964 Tellinomya recurva. Sp nov synonym Lamont Ashgillian Upper Richmond...