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- W2063763900 abstract "Cuttings samples from the Cenozoic section of the well LASMO/NSR(V)L Cohasset Producer CP1 P-Sl (Cohasset field, Scotian Shelf) have been analyzed for microfossil content These closely spaced samples contain assemblages of fora-minifera and other microfossils of Paleocene to early Middle Miocene age, based both on diagnostic planktonic foraminifera and some regional benthic markers. A single major break or reduction in deposition has removed or compressed strata of Late Eocene age, suggesting an unconformity or hiatus between Oligocene and upper Middle Eocene strata. The microfossil assemblages suggest a middle to upper bathyal environment for this site during most of the Paleogene, grading up into neritic conditions in the Oligocene and Miocene. Relatively silty and later sandy deposits at the site may have reduced or diluted microfossil numbers and diversities. An eroding Mesozoic outcrop in the area contributed Late Cretaceous contaminants during the Paleogene. RÉSUMÉ Des échantillons d'éclats de roche provenant dc la portion cénozoique du puits producteur de Cohasset CP1 P-Sl LASMO/NSR(V)L (champ de Cohasset, plate-forme écossaise) ont été analysés pour leur contenu en microfossiles. Ces échantillons peu espacés contiennent des assemblages de foraminifères et d'autres microfossiles d'âges allant du Paléocene jusqu'au début du Miocène moyen, d'après de foraminifères planctoniques diagnostiques et quelques marqueurs benthiqucs régionaux. Une seule discontinuité majeure ou ralentissement de déposition a enlevé ou aminci les strates d'âge Éocene tardif, suggérant une discordance ou un hiatus cntre les strates oligocènes et du sommet de l'Éocene moyen. Les assemblages de microfossiles suggèrent des environnements bathyaux moyens è supérieurs pour ce site pendant la plupart du Palèogéne, allant graduellement à des conditions néritiques a l'Oligocène et au Miocene. Des dépôts relativement silteux et plus tard saWeux à cet endroit ont pu réduire ou diluer le nombre et la diversité des microfossiles. Un affleurement de roches mésozoiques qui s'érodait dans cette région a introduit des contaminants cretacés pendant le Paléogène. [Traduit par la rédaction]" @default.
- W2063763900 created "2016-06-24" @default.
- W2063763900 creator A5051370680 @default.
- W2063763900 date "1994-07-01" @default.
- W2063763900 modified "2023-09-30" @default.
- W2063763900 title "Cenozoic micropaleontological biostratigraphy of the LASMO/NSR(V)L Cohasset Producer CP1 P-51 well, Scotian Shelf" @default.
- W2063763900 doi "https://doi.org/10.4138/2124" @default.
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