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Velocity logging of the CIROS-1 drillhole and determination of the geological structure in the immediate vicinity of the CIROS-1 drillhole using seismic reflection techniques (marine airgun sound source)
Entry ID: K042_1986_1987_NZ_1

Abstract: Measurement of the downhole velocity of the CIROS-1 drillhole after the completion of drilling by lowering a hydrophone down the drillhole was unsuccessful due to equipment failure. Determination of the dip, faults and strong reflectors in the geologic structure in the immediate vicinity of the CIROS-1 drillhole was conducted using seismic reflection techniques. Testing of various seismic ... View entire text
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Description: The Victoria University of Wellington Antarctic Research Centre homepage. All publications and data will be available through this group.
Geographic Coverage
Spatial coordinates   
  N: -77.58   S: -77.58   E: 164.5   W: 164.5

Temporal Coverage
Start Date: 1986-10-14
Stop Date: 1986-11-16
ISO Topic Category
Quality The downhole velocity logging was unsuccessful due to equipment failure. Please refer to the publications for information.
Data Set Progress
Data Center
Antarctica New Zealand, New Zealand Antarctic Institute, New Zealand Supplemental Info
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Private Bag 4745
City: Christchurch
Country: New Zealand
Phone: +64 4 463 5336
Fax: +64 4 463 5186
Email: peter.barrett at
Contact Address:
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PO BOX 600
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Country: New Zealand
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Davy, B.W. Alder, G. Seismic reflection surveys. in: Antarctic Cenozoic history from the CIROS-1 drillhole, McMurdo Sound.Barrett P. (ed) Wellington: DSIR Publishing. 1989. pp.15-21 [DSIR bulletin: 245] ISBN 0477025641

Davy, B. 1987. McMurdo Sound Seismic Studies. In: Pyne, A.R. Immediate Report: Victoria University of Wellington Antarctic Expedition 31, 1986-87. Wellington Antarctic Research Centre. Victoria University of Wellington, New Zealand.
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Creation and Review Dates
DIF Creation Date: 2009-03-17
Last DIF Revision Date: 2017-08-24