Results 91 to 100 of about 12,118 (234)

Late Cambrian acritarchs from the Santa Rosita Formation: implications for the Cambrian-Ordovician boundary in the eastern Cordillera of northwest Argentina [PDF]

open access: yes, 2003
Marine phytoplankton from the Late Cambrian are described for the first time in the Eastern Cordillera of northwest Argentina. The acritarch assemblage was recovered from an offshore lower mudstone unit towards the base of the Casa Colorada Member (Santa
Buatois, Luis Alberto   +2 more
core  

Distribution of the order Proetida (Trilobita) in Baltoscandian Ordovician strata [PDF]

open access: yes, 2009
The trilobite order Proetida forms a minor but important faunal element within the Ordovician strata of Baltoscandia. This review follows the current systematic, taxonomic, and stratigraphical usage and discusses the distribution of these trilobites ...
Owens, Robert M.   +2 more
core  

Scotland : Hebridean Terrane [PDF]

open access: yes, 2011
The Cambrian succession in the Hebridean Terrane extends for about 200 km from near Durness on the northern coast of the Scottish mainland SSW to Skye (Fig. 14). The classic account of the whole region is the memoir by Peach et al.
Molyneux, S.G., Rushton, A.W.A.
core  

Vibrationally highly excited trilobite molecules stabilized by nonadiabatic coupling

open access: yesPhysical Review Research
We report on the observation of highly excited (ν∼100) vibrational states of a trilobite ultralong-range Rydberg molecule in ^{87}Rb. These states manifest spectroscopically in a regularly spaced series of peaks red-detuned from the 25f_{7/2 ...
Rohan Srikumar   +5 more
doaj   +1 more source

Ooidal ironstones and laminated ferruginous deposits from the Silurian of the Carnic Alps, Austria [PDF]

open access: yes, 2005
Distinct ooidal horizons and diverse laminated ferruginous structures are reported from the Silurian of the Carinthian Carnic Alps. The former were recovered in forms of centimetric horizons at the base of a single section (Rauchkofel Boden).
FERRETTI, Annalisa
core  

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