30-289_isotope.tab (11.58 kB)

(Table 2) Stable oxgen and carbon isotopic record of planktonic foraminifera from DSDP Hole 30-289

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posted on 22.11.2019 by Joseph T Gasperi, James P Kennett
Oxygen and carbon isotopic data for 13 planktonic foraminifers from the Miocene of DSDP Site 289 strongly support the idea that the species have a preferred depth habitat and that their depth relationships remained largely unchanged during the Miocene. However, the relative depth rankings of Globorotalia (Menardella) menardii and Globorotalia (Menardella) limbata changed from deep to intermediate and from deep to shallow, respectively, during the late Miocene between ~9.9 and 7.5 Ma. Sediment depth is given in mbsf. All foraminifera were picked from the >250 µm size fraction.

History

Year

1993

Size

610 data points

Coverage

* Latitude: -0.4987 * Longitude: 158.5115 * Date/Time Start: 1973-05-31T00:00:00 * Date/Time End: 1973-05-31T00:00:00 * Minimum DEPTH, sediment/rock: 201.13m * Maximum DEPTH, sediment/rock: 201.13m

Event(s)

30-289 * Latitude: -0.4987 * Longitude: 158.5115 * Date/Time: 1973-05-31T00:00:00 * Elevation: -2206.0 * Penetration: 1271 m * Recovery: 709.1 m * Location: South Pacific/PLATEAU * Campaign: Leg30 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 133 cores; 1270.8 m cored; 0 m drilled; 55.8 % recovery

Project(s)

Deep Sea Drilling Project (DSDP)

Comment

Sediment depth is given in mbsf. All foraminifera were picked from the >250 µm size fraction.

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