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What can potential field data really tell us about Continent-Ocean transitions?

conference contribution
posted on 2023-05-23, 17:35 authored by Williams, S, Joanne WhittakerJoanne Whittaker, Mazur, S
define the distribution of crustal types at continental margins, with specific focus on the conjugate Australia- Antarctica margins. Previous studies have used features in gravity maps as a proxy for the pre-rift location of plate boundaries. Instead, we discuss the use of potential field data to define the boundaries of stretched continental crust on a regional scale, and demonstrate this process for the conjugate margins of South Australia and Antarctica. In a companion paper (Whittaker et al, 2010) we show how these boundaries are used along with estimates of crustal thickness to determine the location of the plate boundaries prior to rifting, and ultimately to derive full-fit plate tectonic reconstructions.

History

Publication title

Conference Proceedings

Editors

Jo Whittaker

Pagination

1-5

ISSN

1836-084X

Department/School

Institute for Marine and Antarctic Studies

Publisher

ASEG

Place of publication

Australia

Event title

ASEG 2010

Event Venue

Sydney, Australia

Date of Event (Start Date)

2010-08-22

Date of Event (End Date)

2010-08-26

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in the earth sciences

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    University Of Tasmania

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