Results 131 to 140 of about 14,034 (253)

Ghost in the shell. [PDF]

open access: yesProc Natl Acad Sci U S A, 2021
Hoffmann R.
europepmc   +1 more source

Early Aptian δ¹³C and manganese anomalies from the historical Cassis-La Bédoule stratotype sections (S.E. France): relationship with a methane hydrate dissociation event and stratigraphic implications

open access: yesCarnets de Géologie, 2005
Comparison of oxygen and carbon isotope and manganese evolution curves in bulk carbonate from the historical Bedoulian stratotype (Cassis-La Bédoule area, Provence, France) reveals an important geochemical event (negative δ¹³C and high Mn content ...
Tronchetti Guy   +7 more
doaj  

Stratigraphy and Palaeoenvironments of the Upper Jurassic of Southern Germany – A Review [PDF]

open access: yes, 2005
Leinfelder, Reinhold R.   +2 more
core   +1 more source

Aptian ammonites of Abu Dhabi (United Arab Emirates) [Ammonites aptiennes d'Abou Dabi (Émirats Arabes Unis)]

open access: yesCarnets de Géologie, 2011
The identification of some twenty ammonite fragments from oil wells drilled in offshore Abu Dhabi revealed the presence of six Aptian genera: Cheloniceras, Epicheloniceras, Gargasiceras, Colombiceras, Pseudohaploceras, and Macroscaphites. These ammonites
Robert Busnardo, Bruno Granier
doaj  

The first 40Ar–39Ar date from Oxfordian ammonite-calibrated volcanic layers (bentonites) as a tie-point for the Late Jurassic

open access: green, 2013
Pierre Pellenard   +5 more
openalex   +2 more sources

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