Geological, structural, petrological and geochemical research programme

Acronimo
PNRA_geology
Codice
PNRA_1985/1986
Anno
1985
Area di ricerca
Earth science
Tematica specifica di ricerca
Geological survey
Regione di interesse
Northern Victoria Land, Antarctica
Sito web progetto
PI
Luigi Carmignani
Istituzione PI
Università di Siena
Sito web istituzionale
https://www.dsfta.unisi.it/
Altre Istituzioni e soggetti coinvolti
Università di Milano, CNR-IGG
Consistenza del team ricerca
Luigi Carmignani (Responsabile, Università di Siena), Guido Gosso (Università di Milano) e Bruno Lombardo (CNR-IGG)
Stato progetto
Completato
Stazioni principali usate
MZS
Il progetto

The main objectives of geological-structural research in Terra Nova Bay region are: 1. examination and sampling of metamorphic sequences to establish the tectono-metamorphic evolution, in particular the chronological relationships between deformation and recrystallization phases. In the low-grade metasedimentary sequence (Priestley Formation), not yet paleontologically dated, the sampling is also aimed to verify the presence of significant microfossils, Acritarchi in particular; 2. examination and sampling of the plutonic facies up to now identified in the intrusive complex to ascertain geochemical and geochronological data. This research is aimed to contribute with new data to the knowledge of a sector that is still relatively little studied of the Transantarctic Mountains. 

Immagini
  • Motivazione, importanza della ricerca
    Obiettivi della proposta
    Attività svolta e risultati raggiunti
    Prodotti
    • Borsi L., Ferrara G. and Tonarini S. (1987) Rb-Sr and K-Ar data on Granite Harbour Intrusives from Terra Nova Bay and Priestley Glacier (Victoria Land, Antarctica). Mem. Soc. Geol. It. 33, 161-169.
    •  Frezzotti M.L. and Talarico F. (1988) Preliminary investigations on fluid inclusions in orthopyroxene, garnet and cordierite granulites from Boomerang Glacier (Deep Freeze Range, North Victoria Land, Antarctica): evidence of mixed CO2 - CH4 fluids. Mem. Soc. Geol. It. 43, 59-66.
    • Ghezzo C., Baldelli C., Biagini R., Carmignani L., Di Vincenzo G., Gosso G., Lelli A., Lombardo B., Montrasio A., Pertusati P.C. and Salvini F. (1987) Granitoids from the David Glacier-Aviator Glacier segment of the Transantarctic Mountains, Victoria Land, Antarctica. Mem. Soc. Geol. It. 33, 143-159.
    • Lombardo B., Cappelli B., Carmignani L., Gosso G., Turbanti I., Montrasio A., Palmeri R., Pannuti F., Pertusati P.C., Ricci C.A., Salvini F. and Talarico F. (1987) The metamorphic rocks of the Wilson Terrane between David and Mariner Glaciers, North Victoria Land, Antarctica. Mem. Soc. Geol. It. 33, 99-130. 
    • Palmeri R. and Talarico F. (1988) Contrasting petrological features between garnet, cordierite, biotite paragneisses from Black Ridge and from Cape Sastrugi, Deep Freeze Range (North Victoria Land, Antarctica). Mem. Soc. Geol. It. 43, 33-48.
    • Talarico F., Memmi I., Lombardo B. and Ricci C.A. (1987) Thermo-barometry of granulite rocks from the Deep Freeze Range, North Victoria Land, Antarctica. Mem. Soc. Geol. It. 33, 131-141.