hasData_Center_Short_Name |
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hasDataset_Online_Resource |
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hasProject_Long_Name |
- International Continental Scientific Drilling Program
- Baikal Drilling Project
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hasDataset_Release_Date |
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hasDataset_Title |
- Paleomagnetic measurements on sediment core BDP-1-A (BDP93-1).
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hasEntry_ID |
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hasKeyword |
- NRM, Inclination
- NRM, Inclination after demagnetisation
- NRM, Intensity
- NRM, Intensity after demagnetization
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hasReference |
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10.1594/PANGAEA.51677
http://dx.doi.org/10.1594/PANGAEA.51677
Hayashida, A; Yokoyama, T (1996): Paleomagnetic measurements on sediment core BDP93-1, PANGAEA
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hasSummary |
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We made magnetic measurement of 32 cubic specimens of sub-bottom sediments of Lake Baikal. These are part of the sub-samples for palaeomagnetic investigations obtained from the sediment cores from hole 1 of Baikal Drilling Project (BDP). This hole was drilled to the depth of about 100 m below the lake bottom. Our samples are almost evenly spaced with the average interval of 2 m in the drilled section. The sedimentation rate at the drilling site on the Buguldeika has been estimated relatively low. Our prime interest was therefore to investigate whether or not the BDP-1 cores penetrate the Brunhes/Matuyama boundary dated at 0.78 Ma (Shackleton et al.,1990).
Initially, we measured natural remanent magnetization (NRM) of all the specimens, using a flux-gate spinner magnetometer (Natsuhara Giken, SMD-88). The intensity of NRM ranges between 2.2x10^-3 to 70.7x10^-3 A/m, which is sufficiently higher than the background noise level of our spinner magnetometer.
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