Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
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TY - JOUR
T1 - Rock magnetic and palaeomagnetic studies of British speleothems
AU - Perkins, Andrew
AU - Maher, Barbara
PY - 1993
Y1 - 1993
N2 - 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.
AB - 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.
M3 - Journal article
VL - 45
SP - 143
EP - 153
JO - Journal of Geomagnetism and Geoelectricity
JF - Journal of Geomagnetism and Geoelectricity
ER -