Fish tooth and rudist δ18O records indicate short-term temperature variations during the Valanginian: a basin and platform example in the Western Tethys
Abstract
The Early Cretaceous is punctuated by perturbations of the carbon cycle as evidenced by δ13C excursions in carbonates and organic matter and by black shale deposits (Weissert et al., 1998; Menegatti et al., 1998). This period is also marked by carbonate production crises (Masse, 1993; Erba et Tremaloda, 2004; F
- Publication:
-
EGU General Assembly Conference Abstracts
- Pub Date:
- April 2009
- Bibcode:
- 2009EGUGA..11.3564B