Iryu, Yasufumi; Takahashi, Yasunari; Fujita, Kazuhiko; Camoin, Gilbert; Cabioch, Guy; Matsuda, Hiroki; Sato, Tokiyuki; Sugihara, Kaoru; Webster, Jody M; Westphal, Hildegard (2012): Nongeniculate coralline algae from IODP Site 310-M0005D [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.788464
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Abstract:
Material cored during the Integrated Ocean Drilling Program (IODP) Expedition 310 'Tahiti Sea Level' revealed that the fossil reef systems around Tahiti are composed of two major stratigraphic sequences: (i) a last deglacial sequence; and (ii) an older Pleistocene sequence. The older Pleistocene carbonate sequence is composed of reef deposits associated with volcaniclastic sediments and was preserved in Hole 310-M0005D drilled off Maraa. Within an approximately 70-m-thick older Pleistocene sequence (33.22-101.93 m below seafloor; 92.85-161.56 m below present sealevel) in this hole, 11 depositional units are defined by lithological changes, sedimentological features, and paleontological characteristics and are numbered sequentially from the top of the hole downward (Subunits P1-P11). Paleowater depths inferred from nongeniculate coralline algae, combined with those determined by using corals and larger foraminifers, suggest two major sealevel rises during the deposition of the older Pleistocene sequence. Of these, the second sealevel rise is associated with an intervening sealevel drop. It is likely that the second sealevel rise corresponds to that during Termination II (TII, the penultimate deglaciation, from Marine Isotope Stages 6 to 5e). Therefore, the intervening sealevel drop can be correlated with that known as the 'sealevel reversal' during TII. Because there are limited data on the Pleistocene reef systems in the tropical South Pacific Ocean, this study provides important information about Pleistocene sealevel history, the evolution of coral reef ecosystems, and the responses of coral reefs to Quaternary climate changes.
Related to:
Iryu, Yasufumi; Takahashi, Yasunari; Fujita, Kazuhiko; Camoin, Gilbert; Cabioch, Guy; Matsuda, Hiroki; Sato, Tokiyuki; Sugihara, Kaoru; Webster, Jody M; Westphal, Hildegard (2010): Sealevel history recorded in the Pleistocene carbonate sequence in IODP Hole 310-M0005D, off Tahiti. Island Arc, 19(4), 690-706, https://doi.org/10.1111/j.1440-1738.2010.00737.x
Project(s):
Coverage:
Latitude: -17.766520 * Longitude: -149.550790
Date/Time Start: 2005-10-10T22:55:00 * Date/Time End: 2005-10-12T03:33:00
Minimum DEPTH, sediment/rock: 33.255 m * Maximum DEPTH, sediment/rock: 100.960 m
Event(s):
310-M0005D (TAH-03A-4C) * Latitude: -17.766520 * Longitude: -149.550790 * Date/Time Start: 2005-10-10T22:55:00 * Date/Time End: 2005-10-12T03:33:00 * Elevation: -59.6 m * Penetration: 102.17 m * Recovery: 51.35 m * Location: Tahiti, offshore Maraa * Campaign: Exp310 (Tahiti Sea Level) * Basis: DP Hunter * Method/Device: Drilling/drill rig (DRILL) * Comment: Coordinate system: WGS84, Time zone: UTC -10
Comment:
Sediment depth is given in mbsf.+ = present;- = present (fragment)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Sample code/label | Sample label | Iryu, Yasufumi | DSDP/ODP/IODP sample designation | ||
| 2 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 3 | Depth, top/min | Depth top | m | Iryu, Yasufumi | ||
| 4 | Depth, bottom/max | Depth bot | m | Iryu, Yasufumi | ||
| 5 | Sample, optional label/labor no | Lab no | Iryu, Yasufumi | Subunit | ||
| 6 | Lithophyllum insipidum | L. insipidum | Iryu, Yasufumi | Thin section estimated | ||
| 7 | Lithophyllum prototypum | L. prototypum | Iryu, Yasufumi | Thin section estimated | ||
| 8 | Lithophyllum tamiense | L. tamiense | Iryu, Yasufumi | Thin section estimated | ||
| 9 | Hydrolithon breviclavium | H. breviclavium | Iryu, Yasufumi | Thin section estimated | ||
| 10 | Hydrolithon onkodes | H. onkodes | Iryu, Yasufumi | Thin section estimated | ||
| 11 | Hydrolithon reinboldii | H. reinboldii | Iryu, Yasufumi | Thin section estimated | ||
| 12 | Hydrolithon samoense | H. samoense | Iryu, Yasufumi | Thin section estimated | ||
| 13 | Hydrolithon spp. | Hydrolithon spp. | Iryu, Yasufumi | Thin section estimated | ||
| 14 | Pneophyllum conicum | P. conicum | Iryu, Yasufumi | Thin section estimated | ||
| 15 | Neogoniolithon megalocystum | N. megalocystum | Iryu, Yasufumi | Thin section estimated | ||
| 16 | Neogoniolithon myriocarpum | N. myriocarpum | Iryu, Yasufumi | Thin section estimated | ||
| 17 | Lithoporella melobesioides | L. melobesioides | Iryu, Yasufumi | Thin section estimated | ||
| 18 | Mastophora pacifica | M. pacifica | Iryu, Yasufumi | Thin section estimated | ||
| 19 | Mesophyllum erubescens | M. erubescens | Iryu, Yasufumi | Thin section estimated | ||
| 20 | Mesophyllum funafutiense | M. funafutiense | Iryu, Yasufumi | Thin section estimated | ||
| 21 | Sporolithon schmidtii | S. schmidtii | Iryu, Yasufumi | Thin section estimated | ||
| 22 | Sporolithon spp. | Sporolithon spp. | Iryu, Yasufumi | Thin section estimated | ||
| 23 | Rhodolith | Rhodolith | Iryu, Yasufumi | Thin section estimated | ||
| 24 | Peyssonneliacean algae | Peyssonneliacean | Iryu, Yasufumi | Thin section estimated | ||
| 25 | Algae assemblage | Algae | Iryu, Yasufumi | Thin section estimated | Nongemculate coralline algal assemblage, see reference Fig. 2, Fig. 4 and discussion. |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
494 data points