(Table 1) Stable-isotopes for foraminifers at DSDP Holes 3-16 and 73-519
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| Formato: | Dataset Open Access |
| Lenguaje: | en |
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PANGAEA
1984
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| _version_ | 1867171815536721920 |
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| author | McKenzie, Judith A Weissert, Helmut J Poore, Richard Z Wright, Ramil Percival, Stephen F Jr Oberhänsli, Hedi Casey, Martin |
| author_facet | McKenzie, Judith A Weissert, Helmut J Poore, Richard Z Wright, Ramil Percival, Stephen F Jr Oberhänsli, Hedi Casey, Martin |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | A stable-isotope stratigraphy was established for planktonic and benthic foraminifers from upper Miocene-lower Pliocene pelagic sediments from the Mid-Atlantic Ridge. A correlation of stable-isotope and biostratigraphic data with magnetostratigraphic age revealed the following: (1) the late Miocene carbon-isotope shift in the South Atlantic bottom waters was minute compared with the shift reported for other deep-sea locations (Haq et al., 1980), (2) a significant cooling or continental ice-volume increase occurred between 5.7 and 5.2 Ma, and (3) a period of warming or ice-volume decrease followed, with the rate of warming increasing beginning at 4.5 Ma and reaching a climax at 4.3 Ma. The timing of these paleoceanographic events is correlated with the onset and termination of the Messinian salinity crisis in the Mediterranean Sea. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_811337 |
| institution | PANGAEA |
| language | en |
| publishDate | 1984 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | (Table 1) Stable-isotopes for foraminifers at DSDP Holes 3-16 and 73-519 McKenzie, Judith A Weissert, Helmut J Poore, Richard Z Wright, Ramil Percival, Stephen F Jr Oberhänsli, Hedi Casey, Martin 3-16; 73-519; 73-521; AGE; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Elevation of event; Event label; Glomar Challenger; Latitude of event; Leg3; Leg73; Longitude of event; Mass spectrometer VG Micromass 903; Nuttallides umbonifera, δ13C; Nuttallides umbonifera, δ18O; Orbulina universa, δ13C; Orbulina universa, δ18O; Oridorsalis umbonatus, δ13C; Oridorsalis umbonatus, δ18O; Planulina wuellerstorfi, δ13C; Planulina wuellerstorfi, δ18O; Sample code/label; South Atlantic/HILL; South Atlantic/RIDGE A stable-isotope stratigraphy was established for planktonic and benthic foraminifers from upper Miocene-lower Pliocene pelagic sediments from the Mid-Atlantic Ridge. A correlation of stable-isotope and biostratigraphic data with magnetostratigraphic age revealed the following: (1) the late Miocene carbon-isotope shift in the South Atlantic bottom waters was minute compared with the shift reported for other deep-sea locations (Haq et al., 1980), (2) a significant cooling or continental ice-volume increase occurred between 5.7 and 5.2 Ma, and (3) a period of warming or ice-volume decrease followed, with the rate of warming increasing beginning at 4.5 Ma and reaching a climax at 4.3 Ma. The timing of these paleoceanographic events is correlated with the onset and termination of the Messinian salinity crisis in the Mediterranean Sea. |
| title | (Table 1) Stable-isotopes for foraminifers at DSDP Holes 3-16 and 73-519 |
| topic | 3-16; 73-519; 73-521; AGE; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Elevation of event; Event label; Glomar Challenger; Latitude of event; Leg3; Leg73; Longitude of event; Mass spectrometer VG Micromass 903; Nuttallides umbonifera, δ13C; Nuttallides umbonifera, δ18O; Orbulina universa, δ13C; Orbulina universa, δ18O; Oridorsalis umbonatus, δ13C; Oridorsalis umbonatus, δ18O; Planulina wuellerstorfi, δ13C; Planulina wuellerstorfi, δ18O; Sample code/label; South Atlantic/HILL; South Atlantic/RIDGE |
| url | https://doi.org/10.1594/PANGAEA.811337 |