Gustafsson, Mikael; Holbourn, Ann E; Kuhnt, Wolfgang (2003): Stable carbon and oxygen isotope ratios of bulk sediment, planktonic and benthic foraminifera of the Cenomanian/Turonian section of DSDP Hole 80-551 in the Northeast Atlantic (Table 1) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.695358, Supplement to: Gustafsson, M et al. (2003): Changes in Northeast Atlantic temperature and carbon flux during the Cenomanian/Turonian paleoceanographic event: the Goban Spur stable isotope record. Palaeogeography, Palaeoclimatology, Palaeoecology, 201(1-2), 51-66, https://doi.org/10.1016/S0031-0182(03)00509-1
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Abstract:
Stable isotopes of bulk sediment and well preserved tests of planktonic and benthic foraminifera from midlatitude NE Atlantic DSDP Site 551 (Goban Spur) provide the first estimates of carbon isotope gradients within the water column at a lower bathyal site during the Cenomanian/Turonian boundary interval (CTBI). The CTBI carbon isotope excursion is prominent (up to 2‰ shift in delta13C) in the bulk (coccolith) signal, but less pronounced (approximately 0.5‰ shift in delta13C) in planktonic and benthic foraminifera. This difference indicates a very steep 13C gradient in the upper water column and a very efficient biological pump during the CTBI carbon isotope excursion. We suggest significantly increased seasonal primary production in the uppermost water column with an enhanced shallow water chlorophyll maximum as a cause for this steep carbon isotope gradient. Deep-water and surface-water temperature changes during the CTBI are estimated using benthic and planktonic foraminiferal oxygen isotopes. Warm deep-water masses (13-16°C) and a low temperature gradient within the water column prevailed in the late Cenomanian. Additional warming (approximately 2°C for both surface and deep water) occurred in the latest Cenomanian prior to CTBI black shale deposition. This pattern of CTBI black shale deposition during a temperature maximum is also evident at two low latitude locations (ODP Site 1050, Blake Nose and Tarfaya, southern Morocco).
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Latitude: 48.910700 * Longitude: -13.501500
Date/Time Start: 1981-07-16T00:00:00 * Date/Time End: 1981-07-16T00:00:00
Minimum DEPTH, sediment/rock: 132.56 m * Maximum DEPTH, sediment/rock: 142.27 m
Event(s):
80-551 * Latitude: 48.910700 * Longitude: -13.501500 * Date/Time: 1981-07-16T00:00:00 * Elevation: -3887.0 m * Penetration: 201 m * Recovery: 67.2 m * Location: North Atlantic/ESCARPMENT * Campaign: Leg80 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 13 cores; 98.5 m cored; 7 m drilled; 68.2 % recovery
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 | Gustafsson, Mikael | DSDP/ODP/IODP sample designation | ||
3 | δ13C, carbonate | δ13C carb | ‰ PDB | Gustafsson, Mikael | Mass spectrometer Finnigan MAT 251 | |
4 | δ18O, carbonate | δ18O carb | ‰ PDB | Gustafsson, Mikael | Mass spectrometer Finnigan MAT 251 | |
5 | δ13C | δ13C | ‰ PDB | Gustafsson, Mikael | Mass spectrometer Finnigan MAT 251 | fine fraction <63 µm per mil PDB |
6 | δ18O | δ18O | ‰ | Gustafsson, Mikael | Mass spectrometer Finnigan MAT 251 | fine fraction <63 µm per mil PDB |
7 | Whiteinella aprica, δ13C | W. aprica δ13C | ‰ PDB | Gustafsson, Mikael | Mass spectrometer Finnigan MAT 251 | > 250 µm fraction |
8 | Whiteinella aprica, δ18O | W. aprica δ18O | ‰ PDB | Gustafsson, Mikael | Mass spectrometer Finnigan MAT 251 | > 250 µm fraction |
9 | Whiteinella archaeocretacea, δ13C | W. archaeocretacea δ13C | ‰ PDB | Gustafsson, Mikael | Mass spectrometer Finnigan MAT 251 | > 250 µm fraction |
10 | Whiteinella archaeocretacea, δ18O | W. archaeocretacea δ18O | ‰ PDB | Gustafsson, Mikael | Mass spectrometer Finnigan MAT 251 | > 250 µm fraction |
11 | Dicarinella hagni, δ13C | D. hagni δ13C | ‰ PDB | Gustafsson, Mikael | Mass spectrometer Finnigan MAT 251 | > 250 µm fraction |
12 | Dicarinella hagni, δ18O | D. hagni δ18O | ‰ PDB | Gustafsson, Mikael | Mass spectrometer Finnigan MAT 251 | > 250 µm fraction |
13 | Hedbergella delrioensis, δ13C | H. delrioensis δ13C | ‰ PDB | Gustafsson, Mikael | Mass spectrometer Finnigan MAT 251 | > 250 µm fraction |
14 | Hedbergella delrioensis, δ18O | H. delrioensis δ18O | ‰ PDB | Gustafsson, Mikael | Mass spectrometer Finnigan MAT 251 | > 250 µm fraction |
15 | Rotalipora cushmani, δ13C | R. cushmani δ13C | ‰ PDB | Gustafsson, Mikael | Mass spectrometer Finnigan MAT 251 | > 250 µm fraction |
16 | Rotalipora cushmani, δ18O | R. cushmani δ18O | ‰ PDB | Gustafsson, Mikael | Mass spectrometer Finnigan MAT 251 | > 250 µm fraction |
17 | Rotalipora greenhornensis, δ13C | R. greenhornensis δ13C | ‰ PDB | Gustafsson, Mikael | Mass spectrometer Finnigan MAT 251 | > 250 µm fraction |
18 | Rotalipora greenhornensis, δ18O | R. greenhornensis δ18O | ‰ PDB | Gustafsson, Mikael | Mass spectrometer Finnigan MAT 251 | > 250 µm fraction |
19 | Gyroidinoides lenticulus, δ13C | G. lenticulus δ13C | ‰ PDB | Gustafsson, Mikael | Mass spectrometer Finnigan MAT 251 | 125-250 µm fraction |
20 | Gyroidinoides lenticulus, δ18O | G. lenticulus δ18O | ‰ PDB | Gustafsson, Mikael | Mass spectrometer Finnigan MAT 251 | 125-250 µm fraction |
21 | Tappanina laciniosa, δ13C | T. laciniosa δ13C | ‰ PDB | Gustafsson, Mikael | Mass spectrometer Finnigan MAT 251 | 63-125 µm fraction |
22 | Tappanina laciniosa, δ18O | T. laciniosa δ18O | ‰ PDB | Gustafsson, Mikael | Mass spectrometer Finnigan MAT 251 | 63-125 µm fraction |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
365 data points