Articles with "upper aptian" as a keyword



A Dufrenoyia (Ammonoidea, Deshayesitidae) fauna from Germany: Evidence for D. furcata Zone deposits at the lower–upper Aptian boundary

Sign Up to like & get
recommendations!
Published in 2020 at "Cretaceous Research"

DOI: 10.1016/j.cretres.2020.104546

Abstract: ABSTRACT Dufrenoyia is a relevant ammonite genus for discussing the lower–upper Aptian boundary on a supraregional scale. We present the first comprehensive account on the genus from Germany, recording the two index species Dufrenoyia furcata… read more here.

Keywords: aptian boundary; furcata zone; dufrenoyia; upper aptian ... See more keywords

Mercury anomalies in upper Aptian-lower Albian sediments from the Tethys realm

Sign Up to like & get
recommendations!
Published in 2018 at "Palaeogeography, Palaeoclimatology, Palaeoecology"

DOI: 10.1016/j.palaeo.2018.01.008

Abstract: Abstract The upper Aptian-lower Albian stratigraphic interval documents important perturbations in the carbon cycle associated with the Oceanic Anoxic Event 1b (OAE 1b) tentatively connected with pulses in volcanic activity and the formation of the… read more here.

Keywords: poggio guaine; guaine section; upper aptian; mercury anomalies ... See more keywords