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Project details
| Title: | National Facility External Users: S. Williams (University of Sydney) |
| Id: | 2388 |
| Acronym: | National Facility User: Williams, S |
| Investigator(s): | Simon Williams
University of Sydney [details] |
| Description: | |
| Years: | 2011 |
List of surveys that this project was on.
Use [details] link to view survey details (map, reports, metadata etc) including links to download data.
| Survey | Investigator | Description |
|---|---|---|
| SS2011_V06 [details] |
S. Williams (USYD) | Southern Surveyor Research Voyage ss2011_v06. The Perth Abyssal Plain: Understanding Eastern Gondwana Break-up Scientific Objectives The objectives of this voyage are to investigate; 1. The crustal nature of the Gulden Draak Ridge, Batavia Knoll, and Dirck Hartog ridge -continental and/or volcanic - in order to further constrain plate tectonic models of the early separation between India and Australia and also to understand the interaction between the seafloor-spreading system and volcanism related to theKerguelen hotspot. This objective relates primarily to Nathan Daczko and Jacqueline Halpin. 2. The age and formation history of the 'de Gonneville Triangle'. This piece of oceanic crust is located at what was the triple junction of rifting between Australia-India-Antarctica. Understanding the de Gonneville Triangle is especially important because prior to Australia-Antarctic break-up it was immediately adjacent to the Enderby Basin, and the two basins should reveal the same magnetic anomaly patterns but current interpretations reveal considerable discrepancies. This objective relates primarily to Joanne Whittaker, Dietmar Müller and Simon Williams. 3. The age distribution of oceanic crust across both the east and west Perth Abyssal Plain.Acquiring ridge-perpendicular magnetic anomaly profiles are crucial in order to constrain the early spreading history between India and Australia and the prebreakup fit between India-Antarctica and Australia. Of particular importance is the oceanic crust located southwest of the Dirck Hartog Ridge. Sampling in the Perth Abyssal Plain region will help to resolve uncertainties regarding the early spreading history and the full-fit of the India-Australia-Antarctica triple plate system. This objective relates primarily to Joanne Whittaker, Dietmar Müller and Simon Williams. Taken from Voyage plan, please read plan for full details. |