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First order regional magnetic survey in the Prince Charles Mountains, Antarctica and at Heard Island, 1992

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Created 20/01/2025

Updated 20/01/2025

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This report describes the results of geomagnetic measurements made at repeat stations in the northern Prince Charles Mountains (PCMs) in January 1992 and at Heard Island in February 1992. The PCM survey covered 7of the 9 stations occupied by Crosthwaite in Jan/Feb 1990. The Heard Island work was a reoccupation of a previous magnetic station and observatory site. Multiple sets of DIF or HDF observations were made at each station and sunshots, pier differences and local F surveys were carried out at most stations for confirmation of the 1990 measurements. Variometer records for the 3-5 day occupation of each station were obtained using two portable fluxgate magnetometers developed by F Chamalaun, Flinders University. One was left installedat the first repeat station, the other was carried and reburied at each repeat station. The area covered by the survey was approximately 160 km by 130 km. Station descriptions based mainly on those provided by Crosthwaite are included to facilitate reoccupation. References to earlier geophysical and surveying occupations are given in Crosthwaite (1992).

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Title First order regional magnetic survey in the Prince Charles Mountains, Antarctica and at Heard Island, 1992
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/7b02cd6d-7104-4e1f-913e-25e8192cebbc
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage http://www.ga.gov.au/place-names/PlaceDetails.jsp?submit1=GA1
Data Portal data.gov.au

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This dataset was originally found on data.gov.au "First order regional magnetic survey in the Prince Charles Mountains, Antarctica and at Heard Island, 1992". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/first-order-regional-magnetic-survey-in-the-prince-charles-mountains-antarctica-and-at-hea-1992

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