Results 51 to 60 of about 2,815 (172)

Stratotype Sinémurien

open access: yes, 2021
Le stratotype du Sinémurien – un étage du Jurassique inférieur – est un lieu de référence géologique international situé dans la région de Semur-en-Auxois, jolie ville à dominante médiévale de Bourgogne-Franche-Comté.
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core  

The Gargasian (Middle Aptian) substage in the Aptian historical stratotypes (SE France): General introduction

open access: yesCarnets de Géologie, 2004
In 1998 a double volume of the Journal "Géologie Méditerranéenne" (t. XXV, N° 3-4) was devoted to a detailed inventory of the Lower Aptian (Bedoulian substage) historical stratotype located in the vicinity of Cassis and Roquefort-La Bédoule, near ...
Tronchetti Guy, Moullade Michel
doaj  

Quantification of the Eocene–Oligocene transition in the Zagros Foreland Basin: Palaeogeographic control on sequence architecture and tectonic signal preservation

open access: yesThe Depositional Record, Volume 12, Issue 3, June 2026.
New bio‐sequence framework for the Eocene–Oligocene transition in Zagros. Geochemical data validate basin depth control on SB1 vs. SB2 boundaries. SEM‐EDS analyses confirm subaerial exposure versus continuous deposition. Sensitivity analysis quantifies sub‐10% uncertainty in stratigraphic interpretations. Resolves the Pyrenean orogeny's variable impact
Sahar Rokni   +4 more
wiley   +1 more source

Le Gargasien (Aptien moyen) dans les stratotypes historiques de l'Aptien (SE France) : Introduction générale

open access: yesCarnets de Géologie, 2004
En 1998 fut publié un volume double de la Revue "Géologie Méditerranéenne" (t. XXV, N° 3-4) consacré entièrement à l'inventaire détaillé du stratotype historique de l'Aptien inférieur (= sous-étage Bédoulien), situé dans les environs des localités de ...
Tronchetti Guy, Moullade Michel
doaj  

Loess Studies in Aotearoa New Zealand

open access: yesNew Zealand Journal of Geology and Geophysics, Volume 69, Issue 2, June 2026.
Loess in Aotearoa New Zealand (ANZ) has been studied since its first documented recognition (on Banks Peninsula) in 1878 by Julius von Haast. A decade later, John Hardcastle revealed that southern ANZ loess was both glacial in origin and contained signals of past climates.
Brent V. Alloway   +4 more
wiley   +1 more source

Reassessing the Bartonian unit stratotype at Alum Bay (Isle of Wight, UK): an integrated approach

open access: yes, 2020
The Global Stratotype Section and Point (GSSP) for the base of the Bartonian, currently remains undefined. The Bartonian unit stratotype is located at the Barton coastal section in the Hampshire Basin, on the South Coast of the UK.
Dinares-Turell, Jaume   +11 more
core   +1 more source

New Zealand Geological Timescale 2025

open access: yesNew Zealand Journal of Geology and Geophysics, Volume 69, Issue 1, March 2026.
New Zealand Geological Timescale 2025 (NZGT 2025) is the first comprehensive update and revision of the New Zealand Geological Timescale in a decade. The criteria used to establish age ranges of New Zealand Stages within the NZGT have been reviewed, calibrated, and revised where required against the 2023/04 International Chronostratigraphic Chart and ...
Christopher D. Clowes   +13 more
wiley   +1 more source

Guidebook for the post-congress fieldtrip in the Vocontian Basin, SE France (September 11-13, 2008).- 12th Meeting of the International Nannoplankton Association (Lyon, September 7-10, 2008)

open access: yesCarnets de Géologie, 2008
• Chapter 1. The Aalenian-Bajocian (Middle Jurassic) of the Digne area • Chapter 2. The Global Boundary Stratotype Sections and Points (GSSP) of the Hauterivian: La Charce section (Drôme, France, Vocontian Basin) • Chapter 3.
Mattioli Emanuela   +5 more
doaj  

THE STRATIGRAPHY OF THE UPPER BATHONIAN TO MIDDLE OXFORDIAN SUCESSION OF THE ARAGONESE BRANCH OF THE CORDILLERA IBÉRICA (SPAIN) AND ITS EUROPEAN CONTEXT

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2004
The Upper Bathonian-Middle Oxfordian succession of the Aragonese branch of the Cordillera Ibérica is one of the most completely developed in Europe and includes localities of international importance for Jurassic bio- and chronostratigraphy.
KEVIN N. PAGE   +5 more
doaj   +1 more source

Rangitīkei River Terraces Formed During the Otira Glaciation: Lithostratigraphic Type Sections, Review and Conceptual Model

open access: yesNew Zealand Journal of Geology and Geophysics, Volume 69, Issue 1, March 2026.
The Rangitīkei Valley in the lower North Island of New Zealand contains flights of river terraces that are influenced by changes in sediment supply, stream power and base level associated with Quaternary climate events over the last ∼350 thousand years.
Callum Rees, Alan Palmer, Utiku Potaka
wiley   +1 more source

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