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2021

83 record(s)
 
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From 1 - 10 / 83
  • SEDANO Project aim to understand the origin of the glacial depositional systems found offshore the Pacific margin of the Antarctic Peninsula. Four main glacial depositional systems have been identified. Geophysical surveys were carried out during these two projects The cores collected in this area characterise the sediment drifts as composed by fine-grained, poorly-sorted sediments, sourced from turbidity currents generated on the continental slope. To elucidate the role of dispersal and redistribution of sediments by bottom currents, three one-year long bottom current records in the area of the mound 7 were collected as well as nine CTD measurements collected in the same area . It is worthwhile noting the importance of this data set, constituting the first current measurements available in the Pacific margin of the Antarctic Peninsula. The aim of this work threefold: to infer which are the major large scale processes that govern bottom current regime, to understand the Bottom Boundary Layer (BBL) dynamics, and to assess the potential for resuspension induced by the measured currents.

  • During the XX and XXI Italian Antarctic expeditions (2004/05, 2005/06), 605 rocks have been sampled within the aim of the project "Cenozoic magmatism in Victoria Land: a tracer of geodynamic processes and of global evolution of climate" in northern Victoria Land. They include intrusive, subvolcanic, volcanic, metamorphic and sedimentary rocks and sediments. The investigated regions are within Cape Adare SR 59-60/13*, Cape Hallett SS 58-60/2, Coulman Island SS 58-60/6, Freyberg Mountains SS 58-60/1, Mount Melbourne SS 58-60/9 and Mount Murchison SS 58-60/5 USGS sheets.

  • During the XIII and XIV Italian Antarctic expeditions (1997/98, 1998/99), 18 rocks have been sampled within the aim of the international CRP project in southern Victoria Land. They include intrusive, subvolcanic, volcanic and metamorphic rocks. The investigated regions are within Taylor Glacier ST 57-60/5 and Ross Island ST 57-60/6* USGS sheets. Project: Cape Roberts Project.

  • During the XX and XXI Italian Antarctic expeditions (2004/05, 2005/06), 668 rocks have been sampled within the aim of the project "Chronologic-dynamic zoning of the Ross Orogen" in northern and southern Victoria Land. They include intrusive, subvolcanic, volcanic, metamorphic and sedimentary rocks. The investigated regions are within Cape Hallett SS 58-60/2, Coulman Island SS 58-60/6, Daniels Range SR 57-58/14, Freyberg Mountains SS 58-60/1, Mount Melbourne SS 58-60/9, Mount Murchison SS 58-60/5, Mount Soza SR 57-58/15, Ob' Bay SR 57-58/11, Pomerantz Tableland SR 57-58/10, Relief Inlet SS 58-60/13, Sequence Hills SS 55-57/8 and Welcome Mountain SS 55-57/4 USGS sheets.

  • During the XV and XVII Italian Antarctic expeditions (1999/2000, 2001/02), 23 glacial deposits have been sampled within the aim of the project "Geomorphological and glaciological mapping of Victoria Land" in northern and southern Victoria Land. The investigated regions are within Mount Joyce SS 55-57/16, Mount Melbourne SS 58-60/9 and Taylor Glacier ST 57-60/5 USGS sheets.

  • During the III Italian Antarctic expedition (1987/88), 1304 rocks have been sampled within the aim of the project "Geological mapping, basement geology and mineral resources" in both northern and southern Victoria Land. They include intrusive, subvolcanic, volcanic and metamorphic rocks. The investigated regions are within Mount Melbourne SS 58-60/9, Mount Murchison SS 58-60/5, Mount Joyce SS 55-57-/16, Relief Inlet SS 58-60/13, Sequence Hills SS 55-57/8, Franklin Island ST 57-60/2* and Convoy Range ST 57-60/1 USGS sheets.

  • SEDANO Project aim to understand the origin of the glacial depositional systems found offshore the Pacific margin of the Antarctic Peninsula. Four main glacial depositional systems have been identified. Geophysical surveys were carried out during these two projects The cores collected in this area characterise the sediment drifts as composed by fine-grained, poorly-sorted sediments, sourced from turbidity currents generated on the continental slope. To elucidate the role of dispersal and redistribution of sediments by bottom currents, three one-year long bottom current records in the area of the mound 7 were collected as well as nine CTD measurements collected in the same area . It is worthwhile noting the importance of this data set, constituting the first current measurements available in the Pacific margin of the Antarctic Peninsula. The aim of this work threefold: to infer which are the major large scale processes that govern bottom current regime, to understand the Bottom Boundary Layer (BBL) dynamics, and to assess the potential for resuspension induced by the measured currents.

  • During the XXXVIII Italian Antarctic expedition (2022/23), 25 rocks and 50 bags of sands have been sampled within the aim of "DISGELI" project in northern Victoria Land. The rock samples include plutonic, volcanic, metamorphic and igneous rocks and sediments. The investigated regions are within the Mount Melbourne SS 58-60/9 USGS sheet. Project: Drone-based acquISition and modelling of morpho-stratigraphic data alonG the TErra Nova Bay (Victoria Land, AntarctIca) coastline.

  • During the XI Italian Antarctic expedition (1995/96), 435 rocks have been sampled within the aim of the project "Geological, geomorphological and geophysical mapping of Victoria Land" in northern and southern Victoria Land. They include intrusive, subvolcanic, volcanic, metamorphic and sedimentary rocks and fossil woods. The investigated regions are within Cape Hallett SS 58-60/2, Convoy Range ST 57-60/1, Coulman Island SS 58-60/6, Mount Joyce SS 55-57/16, Mount Melbourne SS 58-60/9, Mount Murchison SS 58-60/5, Reeves Névé 55-57/12, Relief Inlet SS 58-60/13 and Sequence Hills SS 55-57/8 USGS sheets.

  • During the X Italian Antarctic expedition (1994/95), 42 rocks have been sampled within the aim of the project "Geological survey and sampling of Jurassic volcanics" in northern Victoria Land. They include subvolcanic and volcanic rocks. The investigated regions are within Mount Joyce SS 55-57/16 USGS sheet.