Results 91 to 100 of about 3,163 (215)

88th Annual Meeting of the Meteoritical Society 2026: Abstracts

open access: yes
Meteoritics &Planetary Science, Volume 61, Issue S1, Page S48-S551, August 2026.
wiley   +1 more source

Quaternary Lives

open access: yesGeologija, 2007
After a short-lived »ban«, the Quaternary has again been formalized as a chronostratigraphic unit, consisting of the Pleistocene and the Holocene.
Miloš Bavec
doaj  

The regional stratotype section and point for the base of the Hirnantian Stage (the uppermost Ordovician) at Mirny Creek, Omulev Mountains, Northeast Russia [PDF]

open access: yesEstonian Journal of Earth Sciences, 2008
A complete Hirnantian sequence comprising the Normalograptus extraordinarius and N. persculptus biozones is well developed at the Mirny Creek section in the Omulev Mountains.
Koren, Tatyana N.   +1 more
doaj  

The Searsville Lake Site (California, USA) as a candidate Global boundary Stratotype Section and Point for the Anthropocene series. [PDF]

open access: yesAnthropocene Rev, 2023
Stegner MA   +16 more
europepmc   +1 more source

The proposed Eocene-Oligocene stratotype, SW Alabama: not ideal due to magnetostratigraphic inconsistencies ( USA).

open access: yes, 1986
In the magnetic polarity time scale, the Eocene-Oligocene boundary is within a reversed polarity interval (Chron 13 R) with normal polarity intervals 500 000-750 000 years below and above the boundary.
Sen Gupta, B. K.   +3 more
core   +1 more source

Sections in the western slope of the south urals perspective for the choice of the famennian regional boundary stratotype point

open access: yesЛитосфера, 2015
The Bol’shaya Barma, Akkyr, Ryauzyak and Kuk-Karauk sections in the western slope of the South Urals are considered to be perspective sections for the identification of Famennian Regional Boundary Stratotype Point (RBSP).
R. Ch. Tagarieva, A. G. Mizens
doaj   +2 more sources

ОПРЕДЕЛЕНИЕ ЯРУСНЫХ ГРАНИЦ МЕЖДУНАРОДНОЙ СТРАТИГРАФИЧЕСКОЙ ШКАЛЫ ПО КОНОДОНТАМ

open access: yesЛитосфера, 2019
Рассматривается процедура определения нижней границы ярусов в нижнем отделе пермской системы по конодонтам с учетом рекомендаций Международной комиссии по стратиграфии по выбору «точки глобального стратотипа границы» (Global Stratotype Section and Point)

doaj  

Stratotype Aquitanien

open access: yes, 2014
Depuis son château de La Brède, Montesquieu était loin d’imaginer qu’en 1857 Karl Mayer allait désigner une partie des terres brédoises (et saucataises) comme référence internationale d’un étage géologique.
x
  +1 more

core  

Les Ostracodes du Bédoulien supérieur et du Gargasien inférieur du stratotype d'Apt : Systématique et corrélations biostratigraphiques

open access: yesCarnets de Géologie, 2007
Dans les environs de Saint-Saturnin-lès-Apt (Vaucluse, SE France), partie intégrante du secteur stratotypique historique de l'Aptien d'Apt-Gargas, une succession en relais de quatre coupes permet d'étudier de façon très détaillée et continue les ...
Tronchetti Guy   +2 more
doaj  

Late Cambrian geomagnetic instability after the onset of inner core nucleation. [PDF]

open access: yesNat Commun, 2023
Li YX   +7 more
europepmc   +1 more source

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