Flower, Benjamin P (2017): (Table 1) Stable isotopic record of Neogloboquadrina pachyderma s of ODP Site 152-919A [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.874995, Supplement to: Flower, BP (1998): Mid- to late Quaternary stable isotopic stratigraphy and paleoceanography at Site 919 in the Irminger Basin. In: Saunders, AD; Larsen, HC; Wise, SW Jr. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 152, 243-248, https://doi.org/10.2973/odp.proc.sr.152.219.1998
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Abstract:
Stable isotopic records based on the planktonic foraminifer Neogloboquadrina pachyderma (sinistrally coiling) from Holes 919A and 919B from the western Irminger Basin (62°40'N, 37°28'W) provide records of surface water environments of the mid- to late Quaternary in the Irminger Sea. The 147-m sequence clearly shows oxygen isotope Stages 1 through 20 (possibly to 25). Assignment of oxygen isotope stages is supported by calcareous nannofossil biostratigraphy, magnetic polarity stratigraphy, and strontium isotope stratigraphy. Sedimentation rates average ~17.9 cm/k.y. for the 960-420 ka interval and ~13.4 cm/k.y. for the 420-0 ka interval. Significantly, interglacial d18O in Stages 21 through 15 is 0.5 per mil to 0.8 per mil lower than in succeeding interglacials, suggesting warmer sea surface temperatures and/or lower salinity in this interval. The magnitude and rapidity of these low-d18O events suggest large variations in salinity of the Irminger Sea during the 860-600 ka interval, perhaps reflecting
greater meltwater flux derived from the Greenland Ice Sheet.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 62.670000 * Median Longitude: -37.460250 * South-bound Latitude: 62.670000 * West-bound Longitude: -37.460300 * North-bound Latitude: 62.670000 * East-bound Longitude: -37.460200
Date/Time Start: 1993-11-13T09:14:00 * Date/Time End: 1993-11-14T18:40:00
Minimum DEPTH, sediment/rock: 0.09 m * Maximum DEPTH, sediment/rock: 147.00 m
Event(s):
152-919A * Latitude: 62.670000 * Longitude: -37.460200 * Date/Time Start: 1993-11-13T09:14:00 * Date/Time End: 1993-11-14T05:45:00 * Elevation: -2088.0 m * Penetration: 93.5 m * Recovery: 93.59 m * Location: Greenland Sea * Campaign: Leg152 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 10 cores; 93.5 m cored; 0 m drilled; 100.1 % recovery
152-919B * Latitude: 62.670000 * Longitude: -37.460300 * Date/Time Start: 1993-11-14T05:45:00 * Date/Time End: 1993-11-14T18:40:00 * Elevation: -2086.0 m * Penetration: 147 m * Recovery: 77.28 m * Location: Greenland Sea * Campaign: Leg152 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 8 cores; 75.7 m cored; 0 m drilled; 102.1 % recovery
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Flower, Benjamin P | |||
| 2 | Sample code/label | Sample label | Flower, Benjamin P | DSDP/ODP/IODP sample designation | ||
| 3 | DEPTH, sediment/rock | Depth sed | m | Flower, Benjamin P | Geocode – mcd | |
| 4 | AGE | Age | ka BP | Flower, Benjamin P | Geocode | |
| 5 | Neogloboquadrina pachyderma sinistral, δ13C | N. pachyderma s δ13C | ‰ PDB | Flower, Benjamin P | size fraction 150-250 µm | |
| 6 | Neogloboquadrina pachyderma sinistral, δ18O | N. pachyderma s δ18O | ‰ PDB | Flower, Benjamin P | size fraction 150-250 µm |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
594 data points