Seminari e Convegni

Seminario - The Great American Biotic Interchange and the Origin of the South American Mammal Fauna

Relatore: Dr. Hugh Gregory McDonald - Regional paleontologist Bureau of Land Management – Colorado USA (retired) | Giovedì 22 Ottobre 2026 | ore 16,30 - Aula Arduino

22.10.2026

The mammal fauna of South America originated when South America was an island continent at the end of the Mesozoic. This resulted in the evolution of many endemic groups such xenarthrans, notoungulates and litopterns. With the formation of the Isthmus of Panama connecting North and South America

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Seminari e Convegni

Seminario - White mica(-chlorite) alteration in the Gaby porphyry copper district, northern Chile

Relatore: Dr. Alexandre Cugerone - University of Geneva (Switzerland).| Venerdì 16 Ottobre 2026R | ore 15,30 - Aula 2M

16.10.2026

At the Gaby porphyry copper district in Chile, white mica(-chlorite) alteration occurs in two distinct post-potassic stages: an early Cu-rich stage (0.3–1.0% Cu) associated with chalcopyrite, and a late Cu-poor stage (<0.3% Cu) dominated by pyrite-rich veins. Mineral analyses reveal key

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Seminari e Convegni

Seminario - A Decade in the Arctic Sky: Clouds, Water Vapor, and Precipitation at Ny-Ålesund, Svalbard

Relatrice: Prof. Kerstin Ebell – Institute for Geophysics and Meteorology, University of Cologne (Germany) | Martedì 13 Ottobre 2026 | ore 16,30 Aula Catullo e online su Zoom: https://unipd.zoom.us/j/81031358198

13.10.2026

Climate change signals are especially strong in the Arctic, where warming from 1979 to 2021 proceeded at nearly four times the global average rate. The magnitude of this warming varies across the region, and the Svalbard archipelago, located in the warmest part of the Arctic, has experienced

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