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ID E-1-94-AN
Also Known As 94039
Abstract Osservatorio Geolisco Sperimentate, Italy. Chief Scientists: Alan Cooper, G. Brancolini. Geophysical data (bottomseismometer, 48channel) of field activity E-1-94-AN in Ross Sea and adjacent Transantarctic Mountains, Antarctica from 01/07/1994 to 03/03/1994
Organization Osservatorio Geolisco Sperimentate, Italy
Project/Theme Antarctic Crustal Profile Seismic Project (ACRUP)
Chief Scientist Alan Cooper
G. Brancolini
Activity Type Geophysical
Platform Explora
Area of Operation Ross Sea and adjacent Transantarctic Mountains, Antarctica, Southern Ocean
Bounding Coordinates
-179.93667    -169.22550
Dates 01/07/1994 (JD 007) to 03/03/1994 (JD 062)
Analog Materials list
Alan Cooper Chief Scientist, USGS Western Region
G. Brancolini Chief Scientist, Osservatorio Geolisco Sperimentate, Italy
M. Bahnhoff Unspecified, Inst. Geophys., University of Hamburg, Germany
G. Pellis Unspecified, University of Trieste, Italy
Greg Miller Unspecified, USGS Woods Hole
Equipment Used
The objective of the ACRUP project is to study the structure of the
crust and upper mantle of the Ross Sea region using geophysical measurements
along onshore and offshore transects. The Ross Sea is part of the West Antarctic
Rift system (WRS). The WRS has a 2500 to 5000-m-high rift shoulder
(Transantarctic Mountains (TAM)) on the west, and is underlain in the Ross Sea
by numerous large rift basins now filled with thick sedimentary sections. A deep
sedimentary basin, the Victoria Land basin, and an active rift (Terror rift) are
mapped along the western side of the Ross Sea adjacent to the TAM. The rift
structures of the Ross Sea are believed to have formed initially with the
Mesozoic breakup of Gondwana, and later with late Mesozoic and Cenozoic
extension across the Ross Sea and uplift of the Transantarctic Mountains. The
age of the Mesozoic and Cenozoic rifting is poorly known because rocks from deep
within the rift basins have not been sampled . Also, the crustal structure and
mechanism(s) of rifting are not known because few refraction data exist,
although many models for the evolution of the WRS and uplift of the TAM have
been proposed. The ACRUP experiments are designed to determine deepcrustal
structures in the Ross Sea region to help resolve the mechanisms, and relative
timings, of rifting events.
See online cruise report at
Cruise Report exists at Woods Hole
Got Help? For E-1-94-AN, we would appreciate any information on -- contract, days at sea, dive count, funding, information specialist, information to be derived, kms of navigation, national plan, NGDC Info, owner, ports, project number, scanned materials, seismic description, station count, station description, submersible, summary, tabulated info.
Type Webpage KMZ Arc         Metadata        
Metadata data     txt  data  FAQ  xml
Navigation data nav    
Times   061.times    

E-1-94-AN location map of where navigation 

equipment operated

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