Analysis of manganese deposits from the Alps

2011

Deposits with unusually high Mn contents sampled at Monte Mangart in the Julian Alps include organic-rich marlstone and black shale with interbedded manganoan and siliceous limestone, which were deposited during the early Toarcian Oceanic Anoxic Event. Mn enrichment during that period has been related to global sea-level change coincident with increasing subsidence rate. The formation of Fe-Mn nodules, marking a hardground at the base of the Monte Mangart section, seems to be triggered by release of Mn from remote hydrothermal vents into a region of relatively elevated submarine topography where oxidizing conditions prevailed. However, very high Mn contents in carbonate phases above the har…

Ecosystem variability in the Strait of Sicily: evidence from geochemistry of box-core sediments

2004

Elemental geochemistry and stable isotope composition of recent box-core sediments, Strait of Sicily: implications for productivity

2004

Chemical weathering on volcanics of Pantelleria island, sicily: information from soil-profile and soil-solution investigations

2004

Grapes of the volcanic island of Pantelleria (Sicily) and geochemistry of soil solutions and soils

2004

A 100+ year record of bioproductivity and heavy metal deposition in sediments of the Strait of Sicily

2004

High-resolution stable isotope record from Late Quaternary Mediterranean sediments

2004