Definition of Darriwilian. Meaning of Darriwilian. Synonyms of Darriwilian

- The Darriwilian is the upper stage of the Middle Ordovician. It is preceded by the Dapingian and succeeded by the Upper Ordovician Sandbian Stage. The...
- Floian, all of the Dapingian and the early Darriwilian. The Llanvirn corresponds to the late Darriwilian. The Caradoc covers the Sandbian and the first...
- volcanic rocks that were deposited 466 to 465 million years ago during the Darriwilian stage of the Middle Ordovician epoch. Rhyolite flows, breccias and hyaloclastics...
- bicornis, but its age could be Llandeilo or Trentonian (earliest to latest Darriwilian, 450 to 465 million years ago). "Austin Glen Formation". USGS. Bock,...
- conodonts. 445.2 ± 1.4 * Katian 453 ± 0.7 * Sandbian 458.4 ± 0.9 * Middle Darriwilian 467.3 ± 1.1 * Dapingian 470 ± 1.4 * Lower/Early Floian (formerly Arenig)...
- recognized as a longer, more gradual event, which began as early as the Darriwilian, and possibly even the Floian. Evidence of this glaciation can be seen...
- substrat rocheux". dnr-mrn.gnb.ca. Retrieved 22 December 2019. "A mid-Darriwilian super volcano in northern New Brunswick, rapid climate change and the...
- Retallack described the new species Prototaxites honeggeri from the Darriwilian stage of the Middle Ordovician Douglas Lake Member of the Lenoir Limestone...
- Shale (originally the Winneshiek Lagerstätte) is a Middle Ordovician (Darriwilian-age) geological formation in Iowa. The formation is restricted to the...
- in Lake Superior, and Ames crater in Oklahoma. The Middle Ordovician (Darriwilian) Winneshiek Lagerstätte sediments that filled in the crater contained...