Long-term landscape evolution on Groote Eylandt, Northern Territory

Like other areas throughout the north of the Northern Territory, Groote Eylandt is dominated by a landscape of great age. Previous interpretations have argued that this landscape experienced repeated cycles of uplift and erosion during the Tertiary. This view is challenged by the evidence of two palaeovalleys which traverse the island ; both are filled with Cretaceous sedimentary rocks and are incised into a plateau surface of supposedly Miocene age. The Cretaceous marine transgression was the most important event in the long-term landscape history of Groote Eylandt. The resulting raised base-level, and the associated sedimentary infilling of valleys, lifted streams from their existing valleys, and promoted the development of a new stream network, which has persisted till the present. Apart from the obvious drainage alterations, no other significant modifications to the Groote Eylandt landscape have occurred since at least the late Mesozoic: an escarpment traversing the island has retreated less than 500 m since this time, and the upland plateau and surrounding lowland plains of pre-Cretaceous age have maintained their general form.

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Date (Publication)
1996-01-01T00:00:00
Citation identifier
Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/81442

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Role Organisation / Individual Name Details
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Australian Geological Survey Organisation

 Canberra
Author

Nott, J.F.

 1
Name

AGSO Journal of Australian Geology and Geophysics

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16:3:303-307

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Commonwealth of Australia (Geoscience Australia)
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Commonwealth of Australia (Geoscience Australia)

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  • Geoscientific information

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Product data repository: Various Formats

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Data Store directory containing one or more files, possibly in a variety of formats, accessible to Geoscience Australia staff only for internal purposes

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  • Journal

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Australian and New Zealand Standard Research Classification (ANZSRC)

  • Earth Sciences

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  • Published_External

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Creative Commons Attribution 4.0 International Licence

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CC-BY

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4.0

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http://creativecommons.org/licenses/

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License

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Title

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2018-11-01T00:00:00
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https://www.protectivesecurity.gov.au/Pages/default.aspx

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Unclassified
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English
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UTF8

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Commonwealth of Australia (Geoscience Australia)

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Journal article (pdf)

Journal article (pdf)

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GA Publication

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Title

Australian Government Security ClassificationSystem

Edition date
2018-11-01T00:00:00
Website

https://www.protectivesecurity.gov.au/Pages/default.aspx

Classification
Unclassified

Metadata

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urn:uuid/fae9173a-717f-71e4-e044-00144fdd4fa6

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Language
English
Character encoding
UTF8
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Commonwealth of Australia (Geoscience Australia)

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Document
Name

AGSO BMR Journal

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Geoscience Australia - short identifier for metadata record with

uuid

Citation identifier
eCatId/81442

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https://ecat.ga.gov.au/geonetwork/srv/eng/catalog.search#/metadata/fae9173a-717f-71e4-e044-00144fdd4fa6

Date info (Revision)
2018-04-20T06:07:22
Date info (Creation)
2014-06-03T00:00:00

Metadata standard

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AU/NZS ISO 19115-1:2014

Metadata standard

Title

ISO 19115-1:2014

Metadata standard

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ISO 19115-3

Title

Geoscience Australia Community Metadata Profile of ISO 19115-1:2014

Edition

Version 2.0, September 2018

Citation identifier
https://pid.geoscience.gov.au/dataset/ga/122551

 
 

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