Rock magnetic and palaeomagnetic studies of British speleothems

Perkins, Andrew and Maher, Barbara (1993) Rock magnetic and palaeomagnetic studies of British speleothems. Journal of Geomagnetism and Geoelectricity, 45. pp. 143-153.

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Abstract

The suitability of speleothems (secondary cave deposits) for palaeomagnetic use is being investigated. Previous workers have demonstrated that speleothems often carry a measurable and stable natural remanent magnetization (NRM). Speleothems may often be a more reliable source of palaeosecular variation (PSV) information than soft sediments. Our results demonstrate repeatable PSV records from two British stalagmites with overlapping growth periods. We present some preliminary rock magnetic data from speleothems which indicate a grain size difference between the magnetic grains in flowstones (laminar speleothems) and stalagmites (columnar speleothems). This has implications for the origin of the NRM.

Item Type:
Journal Article
Journal or Publication Title:
Journal of Geomagnetism and Geoelectricity
Uncontrolled Keywords:
/dk/atira/pure/core/keywords/environmentalscience
Subjects:
?? environmental sciencegeneral earth and planetary sciencesearth and planetary sciences(all)ge environmental sciences ??
ID Code:
53659
Deposited By:
Deposited On:
23 Apr 2012 15:50
Refereed?:
Yes
Published?:
Published
Last Modified:
16 Jul 2024 09:02