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45  Articles
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In this paper we illustrate the stratigraphy, geochronology, and geochemistry (major, minor, trace elements and Sr-isotopes) of a Holocene tephra layer found within coastal sedimentary deposits north of Caleta Olivia (Santa Cruz Province, Argentina). The ... see more

The High Agri River Valley is a Quaternary Basin located along the hinge of the Southern Apennines fold-andthrustbelt. The inner margin of the orogen has been affected by intense transtensional and normal faulting, whichaccompanied vigorous volcanism duri... see more

The Tungurahua volcano (Northern Andean Volcanic Zone) has been erupting since 1999, with at least four eruptive phases up to present. Although a dozen of research focuses in tephra fall deposits during this period, none of them cover the full eruptive cy... see more

Study of weathering process in pristine volcanic materials is crucial as this process will determine further soil characteristics. Mt. Anak Krakatau is reported as one of the fastest growing volcanoes. This volcano erupted greatly in December 2018 ejectin... see more

Lakes located downwind of active volcanoes serve as a natural repository for volcanic ash (tephra) produced during eruptive events. In this study, sediment cores from four lakes in Cajas National Park, southern Ecuador, situated approximately 200 km downw... see more

Sediment cores from lakes and bogs in the Río Cisnes valley contain tephra from explosive eruptions of volcanoes in the southern part of the Andean Southern Volcanic Zone (SSVZ). These tephra, which thicken and coarsen to the west, are attributed to erupt... see more

Coordinated geomorphic and archaeological observations indicate that ancient (c. 3000 years old) archaeological sites in Tonga typically lie inland from present coasts on paleoshorelines associated with a regional mid-Holocene highstand of sea level. Shor... see more

In volcanology, 2D morphometric analysis is a method often applied for quantitative characterization of eruptive products, used to compare tephra from different events or phases, infer eruptive styles and underlying clast generating mechanisms, or describ... see more

A lithoid tuff, found in 2011 (Ricci pit, Agro Pontino, Southern Lazio, Italy), was studied for its composition, origin and palaeogeographical implications. This tuff was the first occurrence of a Würmian-age tephra layer, encountered in the coastal basin... see more

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