Paleomagnetism of cored sediment from Lake Atitlán, Guatemala: a preliminary study

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Published: Jul 1, 1981
DOI: https://doi.org/10.22201/igeof.00167169p.1981.20.3.1090
Keywords:
Paleomagnetism Sediments Magnetite Lake Atitlan Guatemala

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J.C. Liddicoat
Lamont-Doherty Geological Observatory, Columbia University, Palisades, New York (10964), U.S.A.
C. R. Denham
Department of Geology and Geophysics, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts (02543), U.S.A.
C. K. Paull
U. S. Geological Survey, Woods Hole, Massachusetts (02543), U.S.A.

Abstract

Clay and silt in a 4-meter piston core from the deep basin of Lake Atitlan possess a strong and stable remanent magnetization when subjected to alternating-field demagnetization. We used paired samples from 263.5 centimeters and eight closely spaced samples between 276.4 and 282. 7 centimeters to assess the sediment for a study of paleomagnetic secular variation. Average inclination of 25.9° is close to the inclination of an axial dipole field (27.7°), and magnetite is the probable carrier of magnetization.

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How to Cite
Liddicoat, J., Denham, C. R., & Paull, C. K. (1981). Paleomagnetism of cored sediment from Lake Atitlán, Guatemala: a preliminary study. Geofisica Internacional, 20(3), 263–270. https://doi.org/10.22201/igeof.00167169p.1981.20.3.1090
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Vol. 20 No. 3 (1981): July 1, 1981
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