Corrège, Thierry (1993): (Table 1) Geochemical analyses of ostracode shells from ODP Site 133-822 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.785626, Supplement to: Corrège, T (1993): Preliminary results of paleotemperature reconstruction using the magnesim to calcium ratio of deep-sea ostracode shells from the Late Quaternary of Site 822, Leg 133 (wetsern Coral Sea). In: McKenzie, JA; Davies, PJ; Palmer-Julson, A; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 133, 175-180, https://doi.org/10.2973/odp.proc.sr.133.222.1993
Always quote citation above when using data! You can download the citation in several formats below.
Published: 1993 (exact date unknown) • DOI registered: 2012-08-03
Abstract:
Analyses of living benthic ostracodes collected in the Coral Sea show a direct relationship between water temperature and the Mg/Ca ratio in the ostracode shells. Fossil ostracodes from Hole 822A (western edge of the Queensland Trough) were analyzed for their Mg and Ca content, and paleotemperatures are inferred using equations derived from the modern material. The bottom-water temperature record from Site 822, spanning the last 120,000 yr, indicates substantial cooling during glacial periods. It also documents important variations during an interval that is considered to correspond to isotopic stage 5. Although still preliminary, these results show that trace-element analyses of ostracode shells have a great potential for paleoceanographic studies.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Latitude: -16.423000 * Longitude: 146.215000
Date/Time Start: 1990-09-17T00:00:00 * Date/Time End: 1990-09-20T00:00:00
Minimum DEPTH, sediment/rock: 0.10 m * Maximum DEPTH, sediment/rock: 27.00 m
Event(s):
133-822 * Latitude: -16.423000 * Longitude: 146.215000 * Date/Time Start: 1990-09-17T00:00:00 * Date/Time End: 1990-09-20T00:00:00 * Elevation: -967.0 m * Penetration: 433.9 m * Recovery: 387.5 m * Location: Coral Sea * Campaign: Leg133 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 47 cores; 433.9 m cored; 0 m drilled; 89.3% recovery
Comment:
Sediment depth is given in mbsf. When more than one valve was analyzed in a sample, the mean Mg/Ca and the associated standard deviation were calculated. For these samples, the paleotemperature was calculated from the mean Mg/Ca.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 2 | Sample code/label | Sample label | Corrège, Thierry | |||
| 3 | Magnesium cation | Mg2+ | meq/l | Corrège, Thierry | ||
| 4 | Calcium cation | Ca2+ | meq/l | Corrège, Thierry | ||
| 5 | Magnesium/Calcium ratio | Mg/Ca | Corrège, Thierry | |||
| 6 | Magnesium/Calcium ratio | Mg/Ca | Corrège, Thierry | mean | ||
| 7 | Magnesium/Calcium ratio, standard deviation | Mg/Ca std dev | ± | Corrège, Thierry | mean | |
| 8 | Temperature, calculated | T cal | °C | Corrège, Thierry |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
331 data points