The cretaceous period

AS Gale, J Mutterlose, S Batenburg, FM Gradstein… - Geologic time scale …, 2020 - Elsevier
The breakup of the former Pangea supercontinent culminated in the modern drifting
continents. Increased rifting caused the establishment of the Atlantic Ocean in the middle …

[HTML][HTML] Evolution of the Arctic-North Atlantic and the Western Tethys: A visual presentation of a series of Paleogeographic-Paleotectonic maps

PA Ziegler - AAPG memoir, 1988 - searchanddiscovery.com
* Maps and text (Introduction and Chapter 10) from AAPG Memoir 43, Evolution of the Arctic-
North Atlantic and the Western Tethys, by Peter A. Ziegler. Adapted here for online …

Strontium isotopic variations in Jurassic and Cretaceous seawater

CE Jones, HC Jenkyns, AL Coe, HP Stephen - … et Cosmochimica Acta, 1994 - Elsevier
A high-resolution seawater strontium isotope curve has been generated through the
analysis of well-dated and well-preserved belemnites and oysters from the Middle and …

Report on the 5th International Meeting of the IUGS Lower Cretaceous ammonite working group, the Kilian group (Ankara, Turkey, 31st August 2013)

S Reboulet, O Szives, B Aguirre-Urreta, R Barragán… - Cretaceous …, 2014 - Elsevier
The 5th meeting of the IUGS Lower Cretaceous Ammonite Working Group (the Kilian Group)
held in Ankara, Turkey, 31st August 2013, discussed the Mediterranean ammonite zonation …

Latest Jurassic-early cretaceous events and the

PF Rawson, LA Riley - AAPG Bulletin, 1982 - archives.datapages.com
Several regional or local unconformities occur in the latest Jurassic-Early Cretaceous
sequences of the North Sea and adjacent areas. Each may have been identified locally as …

Palaeoclimatic significance of changes in clay mineralogy across the Jurassic-Cretaceous boundary in England and France

A Hallam, JA Grose, AH Ruffell - Palaeogeography, Palaeoclimatology …, 1991 - Elsevier
Clay mineralogical changes across the Jurassic-Cretaceous boundary from the northern to
the southern part of western Europe show similar patterns in: the mudrocks exposed on the …

Correlation of NW European Purbeck-Wealden (nonmarine Lower Cretaceous) as seen from the English type-areas

P Allen, WA Wimbledon - Cretaceous Research, 1991 - Elsevier
Correlation within and between the onshore basins is reviewed and revised. The English
Purbeck and Wealden stratotypes (zoned by ostracods and palynomorphs) lie in separate …

Palaeotemperatures, polar ice-volume, and isotope stratigraphy (Mg/Ca, δ18O, δ13C, 87Sr/86Sr): the early cretaceous (Berriasian, Valanginian, Hauterivian)

JM McArthur, NMM Janssen, S Reboulet… - Palaeogeography …, 2007 - Elsevier
Temporal trends through Early Cretaceous time of δ13C, δ18O, Mg/Ca, and 87Sr/86Sr in
calcite, and δ18O in seawater, are discussed using belemnites from SE France and SE …

Nannofossil assemblages, fine fraction stable isotopes, and the paleoceanography of the Valanginian‐Barremian (Early Cretaceous) North Sea Basin

JR Williams, TJ Bralower - Paleoceanography, 1995 - Wiley Online Library
Calcareous nannofossil assemblages have been investigated in three sections from around
the margins of the Early Cretaceous North Sea Basin. Both absolute (number of …

Taxonomic review of Berriasian and Valanginian ammonites from Zacatecas State (north-central Mexico) studied by Burckhardt in 1906

JR Ovando-Figueroa, JA Moreno-Bedmar… - Cretaceous …, 2024 - Elsevier
A review of sixteen ammonoid specimens of the Berriasian and Valanginian age from
Zacatecas, as recorded by Burckhardt in 1906, is presented as part of a larger-scale study of …