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| Author | : Laurence Dudley Stamp |
| Publisher | : |
| Total Pages | : 171 |
| Release | : 1920 |
| Genre | : |
| ISBN | : |
| Author | : Thomas Luther Thompson |
| Publisher | : |
| Total Pages | : |
| Release | : 1993 |
| Genre | : |
| ISBN | : |
| Author | : International Union of Geological Sciences. Committee on the Silurian-Devonian Boundary |
| Publisher | : |
| Total Pages | : 368 |
| Release | : 1977 |
| Genre | : Science |
| ISBN | : |
| Author | : Timothy Abbott Conrad |
| Publisher | : |
| Total Pages | : |
| Release | : 1842 |
| Genre | : |
| ISBN | : |
| Author | : Lawrence V. Rickard |
| Publisher | : |
| Total Pages | : 16 |
| Release | : 1975 |
| Genre | : |
| ISBN | : |
| Author | : Lawrence V. Rickard |
| Publisher | : |
| Total Pages | : 16 |
| Release | : 1975 |
| Genre | : Geology |
| ISBN | : |
| Author | : Charles Hepworth Holland |
| Publisher | : |
| Total Pages | : 336 |
| Release | : 1989 |
| Genre | : Geology, Stratigraphic |
| ISBN | : |
| Author | : Maxwell R. Banks |
| Publisher | : |
| Total Pages | : 11 |
| Release | : 1962 |
| Genre | : Paleontology |
| ISBN | : |
| Author | : Ol'ga Ivanovna Nikiforova |
| Publisher | : |
| Total Pages | : |
| Release | : 1970 |
| Genre | : Geology |
| ISBN | : |
| Author | : John Brian Richardson |
| Publisher | : |
| Total Pages | : 100 |
| Release | : 1986 |
| Genre | : Science |
| ISBN | : |
"Spores are widespread in marine and nonmarine rocks of Silurian and Devonian age. However, to date no comprehensive spore zonation for the whole of the Silurian and Devonian systems has been proposed. This report describes such a zonation for North America and Europe. New spore zones are calibrated with zones exclusively in marine strata. Thus, a basis for direct time correlation of widespread marine and continental rocks of the Silurian and Devonian of Canada is established in this report. It also provides data that may be useful for the international definition of geological boundaries." --
