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The Stokes Magnetic Anomaly

Published online by Cambridge University Press:  01 May 2009

H. W. Wellman
H. W. Wellman
Affiliation:
Geology Department, Victoria University of Wellington, New Zealand
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Summary

The Stokes Anomaly is traced for over 3000 km, from 700 km S of New Caldedonia almost to the eastern edge of the Campbell Plateau. For most of its length the anomaly is a double feature with positive peaks from 30 km to 50 km apart. From outcrops on the western side of the Southland Syncline it is inferred that the northeastern peak is caused by Permian volcanics, and the south-western peak by the associated Permian intrusives. The anomaly is displaced dextrally by a total of 1000 km where it crosses the New Zealand land mass. About 500 km of the displacement is caused by displacement on the Alpine Fault Zone, and the remainder by distributed dextral shear and by displacement on other sub-parallel faults.

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Articles
Information
Geological Magazine , Volume 110 , Issue 5 , September 1973, pp. 419 - 429
Copyright
Copyright © Cambridge University Press 1973

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References

Bowen, F. E. 1964. Sheet 15—Buller—Geological Map of New Zealand 1: 250,000. N.Z. Dep. scient. ind. Res., Wellington.Google Scholar
Christoffel, D. A. 1969. Sea Floor Spreading in the south-west Pacific and Cenozoic Drifting of Southern Continents (Abstract). Trans. A. geophys, Un. 50, 185.Google Scholar
Cullington, A. L. L. & Hanley, A. 1964. Magnetic surveys of the coasts of New Zealand. N. Z. Jl Geol. Geophys. 7, (4), 766–95.CrossRefGoogle Scholar
Farr, G. C. 1916. A magnetic survey of the Dominion of New Zealand. Lands and Survey Dept., Wellington.Google Scholar
Fleming, C. A. 1970. The Mesozoic of New Zealand: chapters in the history of the Circum-Pacific mobile belt. Q. Jl geol. Soc. Lond. 125, 125–70.CrossRefGoogle Scholar
Gerard, V. B. & Lawrie, J. A. 1955. Aeromagnetic surveys of New Zealand. Mem. N.Z. Dep. scient. ind. Res. Geophys. 3.Google Scholar
Grindley, G. W., Harrington, J. & Wood, B. L. 1959. The geological map of New Zealand. Bull. N.Z. Dep. scient. ind. Res. Geol. 66.Google Scholar
Hatherton, T. 1966. A geophysical study of the Southland Syncline. Bull. N.Z. Dep. scient. ind. Res. 168.Google Scholar
Hatherton, T. 1967. A geophysical study of the Nelson–Cook Strait Region. N.Z. Jl Geol. Geophys. 10 (6), 1330–47.CrossRefGoogle Scholar
Hatherton, T. & Sibson, R. H. 1970. Junction Magnetic Anomaly north of Waikato River. N.Z. Jl Geol. Geophys. 13 (3), 655–722.CrossRefGoogle Scholar
Hochstein, M. P. 1967. Interpretation of magnetic anomalies across Norfolk Ridge. N.Z. Jl Geol. Geophys. 10, 1302–8.Google Scholar
Lawrence, P. 1967. Bathymetry, 1: 6,000,000 chart misc. series 15. N.Z. Oceanographic Institute.Google Scholar
Madriniak, N. & Marsden, E. 1938. Experiment in geophysical survey in New Zealand. N.Z. Geol. Mem. 4.Google Scholar
Reilly, W. I. 1970. Sheet 15—Buller (1st Ed.)—Magnetic Map of New Zealand. 1: 250,000. Total Force Anomalies. N.Z. Dep. scient. ind. Res., Wellington.Google Scholar
Van der Linden, W. J. M. 1967. Structural relationships in the Tasman Sea and Southwest Pacific Ocean. N.Z. Jl Geol. Geophys. 10, 1280–301.Google Scholar
Watters, W. A., Speden, I. G. & Wood, B. L. 1968. Sheet 26—Stewart Island (1st Ed.)—Geological Map of New Zealand 1: 25,000. Dep. scient, ind. Res., Wellington.Google Scholar
Wellman, H. W. 1959. Geological interpretation of airborne magnetometer observations from Nelson to Waikato River, New Zealand. Geol. Mag. 96, 2 118–24.CrossRefGoogle Scholar
Wellman, H. W. 1970. Age of Alpine Fault, New Zealand. Proc. Section 4 of Part IV of 22 Inter. Geol. Congress, New Delhi, 1964.Google Scholar
Wood, B. L. 1962. Sheet 22—Wakitupu (1st Ed.)—Geological Map of New Zealand 1:25,000. Dep. scient. ind. Res., Wellington.Google Scholar
Wood, B. L. 1966. Sheet 24—Invercargill (1st Ed.)—Geological Map of New Zealand 1:25,000. Dep. scient. ind. Res. Wellington.Google Scholar
Woodward, D. J. 1970. Interpretation of gravity and magnetic anomalies at Hokianga Northland. N.Z. Jl Geol. Geophys. 13, 2, 364–9.CrossRefGoogle Scholar