Results 21 to 30 of about 2,815 (172)

Standard Auxiliary Boundary Stratotype (SABS) approved to support the Global boundary Stratotype Section and Point (GSSP) [PDF]

open access: yes, 2023
The Standard Auxiliary Boundary Stratotype (SABS) has been approved by the International Commission on Stratigraphy (ICS) as a formal replacement for the Auxiliary Stratotype Point to support a Global boundary Stratotype Section and Point (GSSP).
Head, Martin J.   +3 more
core   +1 more source

The Gargasian (Middle Aptian) of La Tuilière - St-Saturnin-lès-Apt (area of the Aptian historical stratotype, Vaucluse, SE France): geographic setting and outcrop correlation

open access: yesCarnets de Géologie, 2006
A stratonomic and micropaleontological analysis of the Aptian marls cropping out in the La Tuilière area near Saint-Saturnin-lès-Apt (Vaucluse, SE France), enabled us to reconstitute a continuous succession almost 120 m thick, that includes the upper ...
Moullade Michel   +3 more
doaj   +1 more source

LITHOLOGICAL AND MINERALOGICAL SUBSTANTIATION OF THE LOWER BEREZOVSKAYA SUBFORMATION STRATIFICATION OF THE MEDVEZHYE AND VYNGAPUROVSKOE DEPOSITS

open access: yesИзвестия Томского политехнического университета: Инжиниринг георесурсов, 2022
Relevance. At present, the study of Suprasenomanian deposits, including deposits of the Lower Berezovskaya subformation of Cognac-Santonian age, composed of siliceous rocks, has moved from the category of theoretical interest to the category of ...
Lyudmila G. Ananyeva   +8 more
doaj   +1 more source

Sedimentary Ancient DNA Tracks Multi-Kingdom Ecosystem Reorganizations Following Sequential Human Land Use at Crawford Lake. [PDF]

open access: yesMol Ecol
ABSTRACT Crawford Lake has an exceptional stratigraphic record that began recording biannual (varved) sedimentation in the lake basin ~750 years ago, preserving evidence of shifting cultural zones and agricultural practices, from Late Woodland Period Indigenous agriculturalists to the impacts of industrialization during the late 19th century.
Murchie TJ   +8 more
europepmc   +2 more sources

MEASURED SECTION FOR THE POSSIBLE STRATOTYPE OF THE MIRI FORMATION, AT MIRI HILL, NORTH SARAWAK, MALAYSIA [PDF]

open access: yesGeological Behavior, 2018
The Miri Formation is continuously studied by many researchers in various aspects and disciplines in geology due to the important petroleum reservoir since the period of production in 1920-1941.
Muhd Nur Ismail Abdul Rahman   +1 more
doaj   +1 more source

Sections comparison of the Sigov Formation of the Ust-Yenisey and Turukhan-Eloguy regions of the Tazo-Kheta structural-facies area [PDF]

open access: yesНефтегазовая геология: Теория и практика, 2021
The article deals with issues of identification of the Sigov Formation (Upper Jurassic) within the Tazo-Kheta structural-facies area (northeastern Arctic region of Western Siberia).
Borisov E.V.
doaj   +1 more source

The Global Stratotype Section and Point (GSSP) for the base of the Holocene Series/Epoch (Quaternary System/Period) in the NGRIP ice core [PDF]

open access: yes, 2008
The Greenland ice core from NorthGRIP (NGRIP) contains a proxy climate record across the Pleistocene– Holocene boundary of unprecedented clarity and resolution.
Rasmussen, Sune Olander   +48 more
core   +2 more sources

High resolution carbon isotope stratigraphy of the basal Silurian stratotype (Dob's Linn, Scotland) and its global correlation [PDF]

open access: yes, 1997
Since its designation as the Global Stratotype Section and Point (GSSP) for the base of the Silurian System, the choice of Dob's Linn, Southern Scotland, has received criticism due to the difficulties of relating its well constrained graptolite ...
Marshall, J.D.   +10 more
core   +1 more source

Uranium Isotope Evidence for Persistent Global Ocean Anoxia Across the Ediacaran-Cambrian Transition in Siberia. [PDF]

open access: yesGeobiology
ABSTRACT The enigmatic Ediacara biota represents Earth's earliest example of macroscopic, complex life, yet the driving forces promoting their mid‐Ediacaran evolution and subsequent extinction across the Ediacaran–Cambrian boundary remain speculative. If these were true animals requiring oxygen for aerobic respiration, their rise has often been linked ...
Doerrler AD   +10 more
europepmc   +2 more sources

The early Katian (Late Ordovician) reefs near Saku, northern Estonia and the age of the Saku Member, Vasalemma Formation [PDF]

open access: yesEstonian Journal of Earth Sciences, 2014
Reefs developed simultaneously during the latest Sandbian/earliest Katian global Guttenberg Isotopic Carbon Excursion (GICE) in several places across Baltoscandia.
Björn Kröger   +4 more
doaj   +1 more source

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