Results 171 to 180 of about 5,870 (227)

Delta13Carbonate chemostratigraphy of the Carrapateira Outlier (Lower Kimmeridgian) Southern Portugal

open access: yes, 2011
Borges, Marisa   +5 more
openaire   +1 more source

Magnetostratigraphic correlation of the Oxfordian–Kimmeridgian boundary

Earth and Planetary Science Letters, 2010
A magnetic polarity pattern for Boreal and Sub-Boreal ammonite zones of the Upper Oxfordian to Lower Kimmeridgian was established and confirmed in four British sections, including the proposed Global Boundary Stratotype Section and Point (GSSP) on the Isle of Skye (Scotland) to define the base of the international Kimmeridgian Stage.
James G Ogg   +2 more
exaly   +4 more sources

Upper Kimmeridgian stratigraphy of Aylesbury, Buckinghamshire

Proceedings of the Geologists' Association, 1991
Field work carried out in Aylesbury in 1987 demonstrated that the Upper Kimmeridge Clay attains 31 m thickness and has a minor non-sequence at its base. The sequence fits well with the trend of gradual thinning southwestwards, from the relatively thick development of the Wash area to the thin sequence deposited over the Oxford Shallows.
John C.W. Cope, Stephen M. Etches
openaire   +2 more sources

A palaeoclimate model for the Kimmeridgian

Palaeogeography, Palaeoclimatology, Palaeoecology, 1992
Abstract Most attempts at using numerical General Circulation Model (GCM) to simulate Mesozoic climates have studied the Late Cretaceous and have focused on the enigmaof apparently equable global climates. However, this climate regime lasted throughout the Mesozoic and it is of interest to examine other periods.
Valdes, PJ, Sellwood, BW
openaire   +1 more source

Towards a unified Kimmeridgian Stage

Petroleum Geoscience, 1995
Considerable confusion exists in the interpretation of the term Kimmeridgian. As the Kimmeridge Clay Formation is the principal source rock in the northern North Sea, this confusion has important implications for geoscientists working there. The source of the confusion is historical, but the introduction of the Bolonian Stage as a local secondary ...
openaire   +1 more source

Kimmeridgian metriorhynchid crocodiles from England

1996
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Grange, DR, Benton, MJ
openaire   +1 more source

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