Aptian

(redirected from Aptian Stage)

Aptian

[′ap·tē·ən]
(geology)
Lower Cretaceous geologic time, between Barremian and Albian. Also known as Vectian.
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References in periodicals archive ?
(2010): Astronomical tuning of the Aptian Stage from Italian reference sections.
Eustatic versus tectonic control in an intraplate rift basin (Leza Fm, Cameros Basin). Chronostratigraphic and paleogeographic implications for the Aptian of Iberia/ Control eustatico versus control tectonico en una cuenca de rift intraplaca (Fm Leza, Cuenca de Cameros). Implicaciones cronoestratigraficas y paleogeograficas para el Aptiense de Iberia
The discovery also indicated sea turtles had evolved into three families by the Cretaceous' Late Aptian stage, earlier than believed so far, the report said.
Japanese scientist finds oldest known sea turtle fossil
(2004) proposed a new terminology to describe the long and short term isotopic fluctuations, with the prefix "AP" for the Aptian stage and "Al" for the Albian stage.
Diagenetic significance of carbon, oxygen and strontium isotopic compositions in the Aptian-Albian Mural Formation in Cerro Pimas area, northern Sonora, Mexico/ Significado diagenetico de las composiciones isotopicas de carbono, oxigeno y estroncio en la Formacion Mural (Aptiense-Albiense, zona Cerro Pimas, norte de Sonora, Mexico)
(1995): The Aptian Stage. Bulletin de l'Institut Royal des Sciences Naturales de Belgique (Sciences de la Terre), 66: 31-43.
Estratigrafia y biofacies del Aptiense inferior de Cuchia (Cantabria, N. de Espana)

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