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Contributions to Mineralogy and Petrology · 2023 · Vol. 178 · Issue 11 · Springer
Detailed analyses of mineral composition and whole-rock geochemical data helped to unravel the volcanic plumbing system beneath the rhyolitic Šumovit Greben lava dome, the westernmost member of the Kožuf-Voras volcanic system (N. Macedonia). It is characterized by high SiO 2 content (> 70 wt%) coupled with low MgO (< 1 wt%) and Sr (< 500 ppm) suggesting fractionation of clinopyroxene and plagioclase at depth forming a crystal...
Journal of Quaternary Science · 2015 · Vol. 30 · Issue 1 · Wiley
A multi‐proxy record was acquired from a Late Pleistocene lacustrine succession in the Sulmona basin, central Italy. Previous and new tephrostratigraphic analyses of six volcanic ash layers constrain the investigated interval to between 92.3 and 115.0 ka. The δ 18 O composition is interpreted as a proxy for precipitation amount in the high‐altitude catchment of the karst recharge system. The oxygen record shows millennial vari...
Journal of Quaternary Science · 2014 · Vol. 29 · Issue 3 · Wiley
Integrated electron microprobe analyses (EMPAs) on glass and Sr–Nd isotope analyses have been performed on 17 tephras from the Middle Pleistocene Mercure lacustrine succession, southern Apennines. Two 40 Ar/ 39 Ar ages and the recognition of four relevant tephras from Colli Albani, Sabatini and possibly Roccamonfina volcanoes allowed us to ascribe the investigated succession to the late Marine Isotope Stage (MIS) 15–12 interva...
Journal of Quaternary Science · 2013 · Vol. 28 · Issue 6 · Wiley
We present new stratigraphic, palaeomagnetic, 87 Sr/ 86 Sr and 40 Ar/ 39 Ar data from a lacustrine succession of the Sulmona basin, central Italy, which, according to an early study, included six unconformity‐bounded lacustrine units (from SUL6, oldest, to SUL1, youngest) spanning the interval >600 to 2 ka. The results of the present study, on the one hand confirm some of the previous conclusions, but by contrast reveal that u...