Results 141 to 150 of about 13,312 (253)

Editorial: Eukaryotic Microbes Store Nitrate for “Breathing” in Anoxia

open access: yesFrontiers in Microbiology, 2017
Anja Kamp, Peter Stief
doaj   +1 more source

Extended period of K/T boundary mass extinction in the marine realm [PDF]

open access: yes
The Cretaceous/Tertiary (K/T) boundary mass extinction has been widely recognized as a nearly instantaneous catastrophy among marine plankton such as foraminifera. However, the suddenness of this extinction event may have been overemphasized because most
Keller, G.
core   +1 more source

Gravity-flow dominated sedimentation on the Buda paleoslope (Hungary): Record of Late Eocene continental escape of the Bakony unit [PDF]

open access: yes, 1992
The Upper Eocene sequence of the Buda Hills consists of fluvial and shallow marine conglomerates, sandstones, bioclastic shallow-water limestone, marlstone and pelagic Globigerina marl.
Fodor, László   +3 more
core  

The Bartonian-Priabonian marine record of the eastern South Pyrenean foreland basin (NE Spain): a new calibration of the larger foraminifers and calcareous nannofossil biozonation

open access: yesGeologica Acta, 2013
This study presents a combined biostratigraphic (calcareous nannofossils, larger foraminifers) and magnetostratigraphic study of the Middle and Late Eocene marine units of the Igualada area, eastern Ebro Basin.
E. COSTA   +6 more
doaj  

Cumbria and the northern Pennines [PDF]

open access: yes, 2011
Carboniferous rocks within the Cumbria and northern Pennines region are bound by the Maryport–Stublick–Ninety Fathom Fault System, which forms the northern boundary of the Lake District and Alston blocks (Fig. 12.1).
Dean, M.T.   +3 more
core  

The provenance of the stones in the Menga dolmen reveals one of the greatest engineering feats of the Neolithic. [PDF]

open access: yesSci Rep, 2023
Rodríguez JAL   +9 more
europepmc   +1 more source

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