Barremian


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Barremian

[bə′rām·ē·ən]
(geology)
Lower Cretaceous geologic age, between Hauterivian and Aptian.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The area exhibits extensive exposures of Upper Jurassic-Lower Cretaceous sediments represented by the transitional Villar del Arzobispo Formation (Tithonian-Berriasian), unconformably overlain by the more regressive El Collado Formation (Barremian).
The Lower Cretaceous record for the rest of Laurasia is restricted to a partial femur, possibly neochoristoderan, from the Barremian Yellow Cat Member of the Cedar Mountain Formation of Utah (Britt et al., 2006).
(2008): The osteology of Neovenator salerii (Dinosauria: Theropoda): from the Wealden Group (Barremian) of the Isle of Wight.
The main taxonomically identified material from Lower Cretaceous beds includes several specimens found in layers of the Hauterivian of western Russia (Fischer et al., 2015; Fischer et al., 2017), of the Barremian and Aptian of Colombia (Hampe, 1992; 2005; Paramo-Fonseca et al., 2016; Gomez-Perez and Noe, 2017); and of the Aptian and Albian of Australia (Longman, 1924; Kear, 2003).
The idea that Chloranthaceae were an important early angiosperm group dates back to Couper (1958), who described Clavatipollenites hughesii from the Barremian of England and compared it with pollen of Ascarina lucida in New Zealand.
The Alam El Bueib Formation is subdivided into several members, including (1) the Matruh Member (Neocomian, lower Aptian) which is composed of shales and sandstones, (2) the Umbarka Member (Barremian) which consists mainly of sandstone and shale with few streaks of limestone, and (3) the Mamura Carbonate Member which is mainly composed of limestone [17].
(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.