Paleontological and paleoecological significance of the oldest highly productive Upper Cretaceous (lowermost Maastrichtian) bonebed of Haţeg Basin (western Romania; Densuş-Ciula Formation)
Fig 5
Gas chromatogram–mass spectrometry spectra from sample 6B, site K2, Vălioara (Densuş–Ciula Formation) (A), and diverse cross-plots: C, D. phytane/n-C18 versus pristane/n-C17 indicating the type of organic matter and depositional environment.
(B) fragment of large-sized leaf cuticle considered to be composed mainly of long-chain n-alkanes (n-C23 – n-C31).