Results 61 to 70 of about 10,504 (208)

The Botrychiopsis genus and its biostratigraphic implications in Southern Paraná Basin

open access: yesAnais da Academia Brasileira de Ciências, 2003
Botrychiopsis has been considered an important floristic element of Westphalian/Artinskian associations of the Paraná Basin. The occurrence of Botrychiopsis in roof-shales of the Rio Bonito Formation in Southern Paraná Basin (Quitéria area), supported by
André Jasper   +3 more
doaj   +1 more source

Correlation and biostratigraphy of the Kortrijk (Sint-Antonius) and Kortrijk (Lust) boreholes (early Silurian, Belgium)

open access: yesCarnets de Géologie, 2005
Since their drilling, respectively in 1961 and 1971, the 83W421 Kortrijk (Sint-Antonius) and 83W44 Kortrijk (Lust brewery) boreholes have been studied rather extensively for biostratigraphical information.
Wauthoz Bastien
doaj  

Benthic Foraminifera as A Tool for Indication of Microfacies, Biostratigraphy, and Depositional Environment of the Baba Formation [Late Oligocene], Kirkuk Oil Field, Northeastern Iraq

open access: bronze, 2023
Arzu Javadova   +99 more
openalex   +1 more source

Biostratigraphic correlation of the western and eastern margins of the Labrador–Baffin Seaway and implications for the regional geology. Fig. 5 [PDF]

open access: yesGeological Survey of Denmark and Greenland Bulletin, 2016
New analyses of the palynological assemblages in 13 offshore wells on the Canadian margin and six on the West Greenland Margin, in conjunction with onshore data, have led to a new biostratigraphic framework for the Cretaceous–Cenozoic strata of the ...
Henrik Nøhr-Hansen   +2 more
doaj  

Chitinozoan dynamics and biostratigraphy in the Väo Formation (Darriwilian) of the Uuga Cliff, Pakri Peninsula, NW Estonia [PDF]

open access: yesEstonian Journal of Earth Sciences, 2010
The distribution of chitinozoans in the Väo Formation (Lasnamägi and Uhaku regional stages, Darriwilian) of the Uuga Cliff, Pakri Peninsula, NW Estonia, was investigated from 62 samples.
Tammekänd, Mairy   +2 more
doaj  

Cambrian explosion condensed: High-precision geochronology of the lower Wood Canyon Formation, Nevada. [PDF]

open access: yesProc Natl Acad Sci U S A, 2023
Nelson LL   +5 more
europepmc   +1 more source

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