Burke, Janet; Hardisty, Dalton S: Foraminiferal I/Ca measurements from Miocene Sediments [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.996295 (dataset in review)
Abstract:
The foraminiferal iodine-to-calcium proxy (I/Ca) can be used to reconstruct regional iodine speciation and redox conditions. This dataset contains new planktonic foraminiferal I/Ca measurements from mid-Miocene samples from ODP 202-1237, ODP 154-926, IODP 321-U1337 and IODP 321-U1338. These samples overlap with the climate event known as the Miocene Climatic Optimum. The aim of this work is to examine the geography of oxygen deficient zones in the tropical Pacific and Atlantic Oceans during this event.
Original version:
Burke, Janet; Hardisty, Dalton S (2026): Foraminiferal I/Ca measurements from Miocene Sediments [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.974710
Funding:
National Science Foundation (NSF), grant/award no. 2126568: OCE-PRF: Development and Application of the Foraminiferal Iodine/Calcium Paleoredox Proxy
Coverage:
Median Latitude: -0.895568 * Median Longitude: -93.792341 * South-bound Latitude: -16.007030 * West-bound Longitude: -123.206430 * North-bound Latitude: 3.833445 * East-bound Longitude: -42.908400
Date/Time Start: 1994-02-21T10:30:00 * Date/Time End: 2009-06-14T20:15:00
Minimum DEPTH, sediment/rock: 201.34 m * Maximum DEPTH, sediment/rock: 382.30 m
Event(s):
154-926B * Latitude: 3.719130 * Longitude: -42.908400 * Date/Time Start: 1994-02-21T10:30:00 * Date/Time End: 1994-02-25T19:00:00 * Elevation: -3610.0 m * Penetration: 605.8 m * Recovery: 593.25 m * Location: North Atlantic Ocean * Campaign: Leg154 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 64 cores; 605.8 m cored; 0 m drilled; 97.9 % recovery
154-926C * Latitude: 3.718830 * Longitude: -42.908400 * Date/Time Start: 1994-02-25T19:00:00 * Date/Time End: 1994-02-27T16:00:00 * Elevation: -3610.0 m * Penetration: 398.3 m * Recovery: 394.21 m * Location: North Atlantic Ocean * Campaign: Leg154 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 42 cores; 397.8 m cored; 0 m drilled; 99.1 % recovery
202-1237B * Latitude: -16.007010 * Longitude: -76.378000 * Date/Time Start: 2002-04-27T03:55:00 * Date/Time End: 2002-04-29T07:24:00 * Elevation: -3212.7 m * Penetration: 317.4 m * Recovery: 331.35 m * Location: South Pacific Ocean * Campaign: Leg202 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 34 cores; 317.4 m cored; 0 m drilled; 104.4 % recovery
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Burke, Janet | |||
| 2 | Latitude of event | Latitude | Burke, Janet | |||
| 3 | Longitude of event | Longitude | Burke, Janet | |||
| 4 | Date/Time of event | Date/Time | Burke, Janet | |||
| 5 | Elevation of event | Elevation | m | Burke, Janet | ||
| 6 | Sample code/label | Sample label | Burke, Janet | |||
| 7 | Half | Half | Burke, Janet | |||
| 8 | DEPTH, sediment/rock | Depth sed | m | Burke, Janet | Geocode | |
| 9 | Species, unique identification | Species UID | Burke, Janet | Reference in WoRMS (WoRMS) | ||
| 10 | Species, unique identification (Semantic URI) | Species UID (Semantic URI) | Burke, Janet | Reference in WoRMS (WoRMS) | ||
| 11 | Species, unique identification (URI) | Species UID (URI) | Burke, Janet | Reference in WoRMS (WoRMS) | ||
| 12 | Run Date/Time | Run Date/Time | Burke, Janet | ICP-MS run | ||
| 13 | Foraminifera, benthic, Iodine/Calcium ratio | Foram benth I/Ca | µmol/mol | Burke, Janet |
Change history:
2026-07-31T06:27:14 – This is version 2 of the dataset; the previous version doi:10.1594/PANGAEA.974710 contains errors.
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0) (License comes into effect after moratorium ends)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
630 data points