Results 91 to 100 of about 2,135 (180)

Quaternary volcanism, tephras, and tephra-derived soils in New Zealand: an introductory review [PDF]

open access: yes, 2010
This two-part article comprises brief introductions to (1) volcanism and its products in general and to the broad pattern of Quaternary volcanism and tephrostratigraphy in North Island, and (2) the ensuing tephra-derived soils of North Island.
Lowe, David J.
core   +1 more source

Un cadre téphrostratigraphique réactualisé pour la préhistoire tardiglaciaire et holocène de Limagne (Massif central, France) [PDF]

open access: yes, 2000
pdf du manuscrit avant révisionNational audienceFrom the Older Dryas to the Atlantic Period, ten pyroclastic formations originating from trachyandesitic and trachytic eruptions covered the plain of the Limagne d'Auvergne and have been preserved in ...
Raynal, Jean-Paul, Vernet, Gérard
core   +3 more sources

Age of the oldest known Homo sapiens from eastern Africa. [PDF]

open access: yesNature, 2022
Vidal CM   +11 more
europepmc   +1 more source

Tephrostratigraphy of marine core AD91-17 (Adriatic Sea) revised

open access: yes, 2014
Revision of the tephrostratigraphy previously proposed for the marine core AD91-17 (Adriatic Sea), supported by energy- dispersive-spectrometry (EDS) chemical data, has allowed to challenge previous interpretation and proposed a core chronology on the basis of new tephrochronological data.
Marchini, Greta   +5 more
openaire   +3 more sources

Quaternary pedostratigraphy of the Nevado de Toluca volcano

open access: yesRevista Mexicana de Ciencias Geológicas, 2018
Paleosol sequences of the Nevado de Toluca volcano (NTV) preserve a detailed record of late Quaternary environmental change. In fact, some studies have been used the NTV paleosols to interpret paleoenvironmental conditions, however some uncertainties ...
Elizabeth Solleiro-Rebolledo   +4 more
doaj  

Stratigraphy and chronology of late Quaternary tephras in Lake Maratoto, Hamilton, New Zealand [PDF]

open access: yes, 1980
A 3 m piston core from Lake Maratoto (37°53’S 175°18’E) near Hamilton shows at least 12 thin, well-preserved distal airfall tephras intercalated with humic copropel (dy) deposits.
Boubee, J. A. T.   +3 more
core   +2 more sources

Connecting and dating with tephras: principles, functioning, and application of tephrochronology in Quaternary research [PDF]

open access: yes, 2015
Tephrochronology, the characterisation and use of volcanic-ash layers as a unique chronostratigraphic linking, synchronizing, and dating tool, has become a globally-practised discipline of immense practical value in a wide range of subjects including ...
Lowe, David J.
core   +1 more source

Lake Ohrid's tephrochronological dataset reveals 1.36 Ma of Mediterranean explosive volcanic activity. [PDF]

open access: yesSci Data, 2021
Leicher N   +8 more
europepmc   +1 more source

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