During Ocean Drilling Program Leg 171B, an Aptian to Turonian sedimentary succession yielding exceptionally well-preserved planktonic foraminiferal faunas was recovered at Sites 1049, 1050, and 1052. Most of the standard Tethyan planktonic foraminiferal zones have been recognized within the mid-Cretaceous section, with the exception of two Albian zones not reached by any of the drilled holes. In addition, some emphasis is brought here on the current problems concerning the definition of the Aptian/Albian and Albian/Cenomanian boundaries.
1Bellier, J.-P., Moullade, M., and Huber, B.T., 2000. Mid-Cretaceous planktonic foraminifers from Blake Nose: revised biostratigraphic framework. In Kroon, D., Norris, R.D., and Klaus, A. (Eds.), Proc. ODP, Sci. Results, 171B [Online]. Available from World Wide Web: <http://www-odp.tamu.edu/publications/171B_SR/chap_03/chap_03.htm>. [Cited YYYY-MM-DD]
2Département de Géologie Sédimentaire, CNRS ESA 7073, Université Pierre et Marie Curie, T15-4E, Case 104, 4 place Jussieu, 75252 Paris Cédex 05, France. bellier@ccr.jussieu.fr
3Laboratoire de Micropaléontologie et Géologie Marines, CNRS UPRESA 6019, Université de Nice - Sophia - Antipolis, Parc Valrose, 06108 Nice Cédex 02, France.
4Department of Paleobiology, MRC NHB-121, National Museum of Natural History, Smithsonian Institution, Washington DC 20560, USA.
Initial
receipt: 14 June 1999
Acceptance: 13 March 2000
Web Publication: 25 August 2000
Ms 171BSR-111