Barremian


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Barremian

[bə′rām·ē·ən]
(geology)
Lower Cretaceous geologic age, between Hauterivian and Aptian.
References in periodicals archive ?
2013a) with 85% LF-chalcedony, 15% LS-chalcedony, minor macro-quartz, Barremian to lower Abtian.
Crystallographic and chemical variations during pyritization in the upper Barremian and lower Aptian dark claystones from the Lower Saxonian Basin (NW Germany): Sedimentology, 37, pp.
The Lu-Hf age obtained for the analyzed sample suggests the age at which it reached the conditions of the eclogite facies during the Barremian (Lower Cretaceous) time.
2004): Belemnites of Valanginian, Hauterivian and Barremian age: Sr isotope stratigraphy, composition (87Sr/86Sr, 13C, 18O, Na, Sr, Mg), and palaeooceanography.
The angiosperm fossil record suggests that these plants underwent a rapid diversification from the Barremian of the Early Cretaceous (c.
The primary target, Murombe, a Barremian Age turbidite fan system and a secondary target, the Baobab, a shallower Santonian Age structure were both penetrated.
Probable angiosperm pollen from the British Barremian to Albian strata.
Foraminiferally defined biostratigraphic episodes and sedimentary pattern of the Cretaceous drift succession (Early Barremian to Late Maastrichtian) in seven basins on the South African and southern Namibian continental margin.
International Resource News-7 December 2009-OGX finds oil interval in Barremian section(C)2009 ENPublishing - http://www.
The central radiolaritic sequence is Lias-Lower Dogger in age, while on the eastern and western side of the block the microfauna are Barremian to Cenomanian (de Wever et al.
One group dates from an early part of the period, the Barremian, and the other is from tens of millions of years later.
A problem, however, is the current dearth of reliable dates from the Middle Jurassic Oxfordian Stage to the Early Cretaceous Barremian Stage, a span of some 35 million years.