How To Use Silurian In A Sentence
- A similar picture is seen in the Silurian, with five communities inhabiting the same area and forming concentric belts parallel to what was then the shoreline.
- On what amount of similarity of their faunae is the doctrine of the contemporaneity of the European and of the North American Silurians based? Lectures and Essays
- During the Late Silurian and Early Devonian, the Royal Creek area lay at the margin of a deep-water embayment.
- This was accompanied by the multistage emplacement of large intrusive bodies in the Cambrian, Ordovician, and Silurian periods.
- Darwin predicted that precursors to the trilobite would be found in pre-Silurian rocks … Similarly, Darwin predicted that Precambrian fossils would be found. Blast From the Past
- The stratigraphic framework of the Dnestr Basin Silurian successions has been constructed from detailed lithostratigraphic and biostratigraphic studies by numerous authors.
- Eighteen analyses of detrital zircon and one of monazite were carried out for the late Silurian sandstone.
- If this occurrence of a true hexapod insect from the Middle Silurian be really established, taken in connection with the well-defined Coleoptera from the Carboniferous, the origin of the entire group of terrestrial arthropoda is necessarily thrown back into the Cambrian epoch, if not earlier. Darwinism (1889)
- This occurred prior to a major pre-Pennsylvanian erosional interval that removed Silurian sedimentary strata from the region.
- The entire north area consists of Quaternary sediments, while the surrounding uplands are dolostone, limestone, and sandstone of upper Silurian to lower Devonian origin, plus associated till.