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| Main Author: | |
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| Format: | Dataset Open Access |
| Language: | en |
| Published: |
PANGAEA
1993
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| Subjects: | |
| Online Access: | https://doi.org/10.1594/PANGAEA.787339 |
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Table of Contents:
- This preliminary report does not present the distribution of selected key planktonic species in each Leg 133 hole, but rather, extracts the best chronodatum levels in two sets of holes, which comprise the Queensland Trough and Townsville Trough transects. In general, the sampling interval was 1.5 m, but sometimes was larger. To convert the datum levels into time, the absolute ages of Berggren et al. (1985, doi:10.1144/GSL.MEM.1985.010.01.18) were used. Extinction levels were employed in the main, because they are the most easily recognized, the order of events seems to be consistent from hole to hole, and they correlate reasonably well with chronodatum levels obtained from nannofossil biostratigraphy (see Gartner et al., 1993, doi:10.2973/odp.proc.sr.133.213.1993).