Luca Zurli- PhD
- PostDoc Position at University of Siena
Luca Zurli
- PhD
- PostDoc Position at University of Siena
Provenance study of glaciogenic sediments and rocks
About
17
Publications
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Introduction
Luca Zurli currently has a Research Fellow at the Department of Physical, Earth and Environmental Sciences, University of Siena (Italy). Currently involved in provenance and sedimentological studies of glaciogenic sedimentary sequences applaying petrographic, geochronological and sedimentological/stratigraphic techniques. Working on provenance of IODP_exp374 clasts in the Ross Sea and characterization of Late Paleozoic Ice Age glacial sequences in southern Gondwana (Antarctica and Tasmania)
Current institution
Education
October 2016 - October 2018
Publications
Publications (17)
The Lower Permian tillites of the Beacon Supergroup, cropping out in Victoria Land (Antarctica), record climatic history during one of the Earth’s coldest periods: the Late Paleozoic Ice Age. Reconstruction of iceextent and paleo-flow directions, as well as
geochronological and petrographic data, are poorly constrained in this sector of Gondwana. H...
Early to Middle Miocene sea-level oscillations of approximately 40–60 m estimated from far-field records1,2,3 are interpreted to reflect the loss of virtually all East Antarctic ice during peak warmth². This contrasts with ice-sheet model experiments suggesting most terrestrial ice in East Antarctica was retained even during the warmest intervals o...
Since the early Oligocene, the descent into global colder conditions has led to the stepwise growth of the Antarctic Ice Sheets. However, ocean and air temperatures were not sufficiently cold enough to maintain a large and stable continental ice sheet and associated marine ice shelf, and therefore during the Oligocene to Miocene the glaciation waxe...
Between Permian to Triassic, the Earth experienced climatic and biotic crises, included the
greatest mass extinction at the Permian-Triassic boundary. These climatic and biological changes are
reflected in both marine and terrestrial depositional systems. Over this time span, the Gondwana
supercontinent hosted numerous large basins that may preserv...
Marine δ ¹⁸ O data reveal astronomical forcing of the climate and cryosphere during the Miocene, when atmospheric P co 2 was on par with emissions scenarios over the next century. This inspired hypotheses for how Milankovitch cycles, ice-ocean interactions, and greenhouse gases influence ice volume. Mass balance controls for marine and terrestrial...
The past ice sheet dynamics and the timing of retreat events in the paleo-record in the Ross Sea is an issue still few understood. In order to contribute to this topic, we provide a multiproxy data from marine sediment archives (cores and box cores) collected in three sites in the Central Basin (Western Ross Sea, Antarctica). Each site recorded dif...
The Ross Embayment is a key region to study the dynamics of the ice sheets during colder andwarmer than present climatic conditions, because both the East and West Antarctic Ice sheets shed into the Ross Sea. Numerical modeling and reconstructions of the paleo ice flows during the Last Glacial Maximum show variable contribution of East and West Ant...
The Late Paleozoic Ice Age (LPIA) was one of the most severe glacial phases of Phanerozoic, which led to the development of ice centers within Gondwana. The sedimentary record of the Beacon Supergroup preserves strata related to early Permian ice dynamics. Here we document outcrops across the northern and southern Victoria Land basins in the Transa...
The Late Paleozoic Ice Age (LPIA) is one of the coldest periods in Earth history, and led to the diachronous development of widespread ice centers across Gondwana in the Carboniferous and Permian. In Tasmanian Basin, located between northern Victoria Land (Antarctica) and Australia, the lowermost part of the Parmeener Supergroup (Late Carboniferous...
International Ocean Discovery Program (IODP) Expedition 374 recovered high-quality cores at five sites on the Ross Sea continental shelf, slope, and rise to improve the understanding of the sensitivity of the Antarctic ice sheets (and particularly the West Antarctic Ice Sheet) to past climatic and oceanic conditions, especially during a warmer-than...
The provenance of Ross Sea Drift deposits from the McMurdo Sound region (Antarctica), ranging from middle Quaternary to a Last Glacial Maximum (LGM) age, has been investigated by means of petrographic techniques. A total of 19 bulk till samples from four areas was analyzed for three different granulometric fractions: pebble to cobble, granule, and...
