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Anisotropy of Magnetic Susceptibility (AMS) measurements on geological samples from the Theron Mountains, Antarctica, collected 2004-2005

Laboratory AMS (Anisotropy of Magnetic Susceptibility) measurements made on a collection of sill samples collected from the Theron Mountains, Antarctica, during the 2004-2005 field season.

AMS involves the collection of some 1 metric tonne of oriented samples and the lab-based determination of the magmatic flow fabric of the rock. Models concerning the location of mantle plumes and triple junctions associated with the Mesozoic break-up of Gondwana in the Antarctic-southern Africa sector are not capable of independent testing, other than by geochemical and age dating methods. We determined the regional flow directions of the magmas in dyke and sill complexes in the areas of postulated plume heads and related triple points on the opposing conjugate margins. AMS was utilised to determine magmatic flow directions and constrain these with macroscopic observations of flow indicators.

Simple

Date (Creation)
2012-02-27
Date (Revision)
2012-02-27
Date (Publication)
2012-02-27
Date (released)
2012-02-27
Edition
1
Unique resource identifier
10d111ee-9e2a-4d59-8481-9bdc361fdb8c
Codespace
uuid
Unique resource identifier
GB/NERC/BAS/PDC/00564
Codespace
https://data.bas.ac.uk/
Other citation details
Please cite this item as: None
Credit
No credit.
Status
completed Completed
Author
  University of Birmingham - Owens, W ( Researcher )
Author
  Hutton, Donny ( Researcher )
Author
  Oxford University Museum of Natural History - Smith, Paul ( Researcher )
Point of contact
  NERC EDS UK Polar Data Centre
British Antarctic Survey, High Cross, Madingley Road , Cambridge , Cambridgeshire , CB3 0ET , United Kingdom
+44 (0)1223 221400
https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/
Maintenance and update frequency
asNeeded As needed
Maintenance note
completed Completed
Global Change Master Directory (GCMD) Science Keywords
  • EARTH SCIENCE > Land Surface > Geomorphology > Tectonic Landforms/Processes
  • EARTH SCIENCE > Oceans > Marine Geophysics > Plate Tectonics
  • EARTH SCIENCE > Solid Earth > Geomagnetism > Paleomagnetism
  • EARTH SCIENCE > Solid Earth > Rocks/Minerals > Igneous Rocks
  • EARTH SCIENCE > Solid Earth > Tectonics > Plate Tectonics
  • EARTH SCIENCE > Solid Earth > Volcanoes > Magma
  • EARTH SCIENCE > Land Surface > Geomorphology
  • EARTH SCIENCE > Solid Earth > Tectonics
Theme
  • Geology
  • AMS
  • Anisotropy of Magnetic Susceptibility
  • Gondwana break-up
  • Theron Mountains
  • magmatic flow fabric
  • palaeomagnetism
Place
  • Theron Mountains Antarctica
GEMET - INSPIRE themes, version 1.0
  • Land cover
  • Oceanographic geographical features
  • Geology
Access constraints
otherRestrictions Other restrictions
Other constraints
no limitations to public access
Access constraints
otherRestrictions Other restrictions
Other constraints
no limitations
Use constraints
license License
Other constraints
Open Government Licence v3.0
Use constraints
otherRestrictions Other restrictions
Other constraints
These data are governed by NERC Data Policy.
Spatial representation type
textTable Text, table
Metadata language
engEnglish
Character set
utf8 UTF8
Topic category
  • Geoscientific information
N
S
E
W
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Begin date
2004-07-01
End date
2007-07-31

Vertical extent

Minimum value
0.0
Maximum value
1000.0

Vertical CS

No information provided.

Vertical datum

No information provided.
Supplemental Information
It is recommended that careful attention be paid to the contents of any data, and that the author be contacted with any questions regarding appropriate use. If you find any errors or omissions, please report them to polardatacentre@bas.ac.uk.
Date (Publication)
2008-11-12
Publisher
  European Petroleum Survey Group
https://www.epsg-registry.org/
Unique resource identifier
urn:ogc:def:crs:EPSG::3031
Version
6.18.3

Distributor

Distributor
  NERC EDS UK Polar Data Centre
British Antarctic Survey, High Cross, Madingley Road , Cambridge , Cambridgeshire , CB3 0ET , United Kingdom
+44 (0)1223 221400
https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/
Units of distribution
bytes
Transfer size
1
Protocol
WWW:LINK-1.0-http--link
Name
Get Data
Description
Download data
Function
download Download
Hierarchy level
dataset Dataset
File identifier
10d111ee-9e2a-4d59-8481-9bdc361fdb8c XML
Metadata language
engEnglish
Character set
utf8 UTF8
Hierarchy level
dataset Dataset
Hierarchy level name
dataset
Date stamp
2012-02-27
Metadata standard name
ISO 19115 Geographic Information - Metadata
Metadata standard version
ISO 19115:2003(E)
Point of contact
  NERC EDS UK Polar Data Centre
British Antarctic Survey, High Cross, Madingley Road , Cambridge , Cambridgeshire , CB3 0ET , United Kingdom
+44 (0)1223 221400
https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/
 
 

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W
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Keywords

AMS Anisotropy of Magnetic Susceptibility Geology Gondwana break-up Theron Mountains magmatic flow fabric palaeomagnetism
GEMET - INSPIRE themes, version 1.0
Geology Land cover Oceanographic geographical features
Global Change Master Directory (GCMD) Science Keywords
EARTH SCIENCE > Land Surface > Geomorphology EARTH SCIENCE > Land Surface > Geomorphology > Tectonic Landforms/Processes EARTH SCIENCE > Oceans > Marine Geophysics > Plate Tectonics EARTH SCIENCE > Solid Earth > Geomagnetism > Paleomagnetism EARTH SCIENCE > Solid Earth > Rocks/Minerals > Igneous Rocks EARTH SCIENCE > Solid Earth > Tectonics EARTH SCIENCE > Solid Earth > Tectonics > Plate Tectonics EARTH SCIENCE > Solid Earth > Volcanoes > Magma

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