نتایج جستجو برای: late cretaceous

تعداد نتایج: 201920  

2017
Simon F. Greenfield

Late Jurassic and Early Cretaceous sandstones form major exploration targets across the North Atlantic Margin basins of Eastern Canada and South-West Ireland. Although there have been world-class discoveries offshore Newfoundland in the Late Jurassic Jeanne d’Arc Formation and Lower Cretaceous Hibernia and Ben Nevis Formations, large tracts of the margin remain relatively under-explored, so the...

2014
Michael S. Engel

A new species of the extinct genus Serphites Brues (Proctotrupomorpha: Bipetiolarida: Serphitidae) is described from two individuals preserved in Late Cretaceous (Cenomanian to Santonian) amber from Vendée, northwestern France. Serphites fannyae n. sp., is distinguished from its congeners and brief comments are made on the significance of finding a serphitid wasp in Vendean amber as well as pot...

2002
LYNN M. WALTER

-Isotopic measurements (Sr, O, D) on formation waters from the Alberta Basin have been made, covering a stratigraphic range from Devonian to Upper Cretaceous. These measurements, combined with chemical compositional trends, give evidence for two distinct water regimes. One hydrological regime is composed of waters hosted in Devonian-Lower Cretaceous reservoirs, the other waters from Upper Creta...

Journal: :The Paleontological Society Special Publications 1996

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