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The word “tephra” is an all-encompassing term for the explosively erupted, pyroclastic (fragmental) products of a volcanic eruption. Since the early pioneering work of Thorarinsson and others, the value of tephras in providing time-parallel marker horizons or isochrons is now well understood.
Alloway, B. V. +3 more
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High-precision ultra-distal Holocene tephrochronology in North America
Quaternary Science Reviews, 2012 Far-travelled volcanic ashes (tephras) from Holocene eruptions in Alaska and the Pacific northwest have been traced to the easternmost extent of North America, providing the basis for a new high-precision geochronological framework throughout the ...
Sean D F Pyne-O'Donnell +2 more
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Post–glacial tephrochronology record off the Chilean continental margin (∼41° S)
Quaternary Science Reviews, 2021 International audienceThe Southern Volcanic Zone of the Andes (∼33–46° S) is a very active volcanic zone with several volcanic centers recording recurrent historical activity (e.g.
Giuseppe Siani +2 more
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Tephrochronological studies in northern England
The Holocene, 1996Tephrostratigraphic investigations of two upland blanket bogs in northern England show that micro scopic layers of tephra are present. Their geochemistry shows that they are identical to two Icelandic tephra layers of known age found at sites in Scotland and the north of Ireland.
Jonathan R. Pilcher, Valerie A. Hall
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Tephrochronology and Palaeoecology: The Value of Isochrones
1981The applications of tephrochronology to the correlation of temporally similar yet spatially disjunct flora and fauna are discussed, using as examples recent work in Iceland and Kenya. The paucity of such studies is noted and its relevance to studies in palaeoecology and island biogeography commented upon.
P. C. Buckland +3 more
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About this title ‐ Marine Tephrochronology
Geological Society, London, Special Publications, 2014This Special Publication includes articles presenting recent advances in marine tephrochronological studies and outlines innovative techniques in geochemical fingerprinting, stratigraphy and the understanding of depositional processes. It represents a significant resource for the palaeoceanographic community at a time when marine ...
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MAJOR CONSTRAINTS ON THE USE OF RADIOCARBON DATING FOR TEPHROCHRONOLOGY
Quaternary International, 1998It is well recognised that radiocarbon dating is a powerful tool capable of providing a detailed chronostratigraphy for areas that have been subjected to recurrent volcanic activity during Late Pleistocene and Holocene time. In such geological contexts carbon-bearing materials suitable for 14C dating are, for the most part, refractory components of ...
CALDERONI, Gilberto, TURI, Bruno
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The Application of Tephrochronology in Iceland
1981The situation in Iceland for establishing a tephrochronological time scale is very good. This is due to the great number of volcanic eruptions in post glacial time, a great range of variation in chemistry between tephra layers, a rapid thickening of the soil, separating layers with small age difference, and the existence of detailed accounts of many ...
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The Interrelationship between Magnetostratigraphy and Tephrochronology
1981Magnetostratigraphy and tephrochronology represent complementary techniques for the determination of the ages of sedimentary sequences. Each method is subject to its own limitations. The magnetic polarity zonation of a sequence may not be sufficiently characteristic to correlate it to the magnetic polarity time scale.
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A regional application of tephrochronology in Alaska
1990Abstract The first section of this chapter is a review highlighting some of the important trends and developments that occurred during the past century in the application of geomorphic and stratigraphic principles and techniques in Alaska archaeology.
E. James Dixon, George S. Smith
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