Dameron, Serena; Leckie, R Mark; Harwood, David M; Scherer, Reed P; Webb, Peter-Noel (2025): Foraminiferal Assemblages at Ross Ice Shelf Project (RISP) Site J-9, Ross Sea, Antarctica [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.971932
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Published: 2025-01-31 • DOI registered: 2025-02-28
Abstract:
This dataset contains Miocene and Holocene foraminiferal population counts from the Ross Sea, Antarctica. In 1977–1978 and 1978–1979, the Ross Ice Shelf Project (RISP) recovered sediments from beneath the largest ice shelf in Antarctica at Site J-9 (82° S, 168° W), ~450 km from open marine waters at the calving front of the Ross Ice Shelf and ~890 km from the South Pole, one of the southernmost sites for marine sediment recovery in Antarctica. The samples are divided into a thin, unconsolidated upper unit (up to 20 cm thick) and a texturally similar but compacted lower unit (> 1m thick) containing reworked early, middle, and late Miocene diatom and calcareous benthic foraminiferal assemblages. A probable post-Last Glacial Maximum (LGM) disconformity separates the upper unit containing a dominantly agglutinated foraminiferal assemblage, from the lower unit consisting mostly of reworked Miocene calcareous benthic species. Three different sample types are noted: SC = sphincter core samples, CC = Core Catcher samples, int = interval samples. Species that are age diagnostic are noted in the species list and support a late Miocene age for the lower unit. All foraminifera were collected from the greater than 63 µm size fraction, in which the full floated material was examined.
Supplement to:
Dameron, Serena; Leckie, R Mark; Harwood, David M; Scherer, Reed P; Webb, Peter-Noel (2024): Return to the Ross Ice Shelf Project (RISP), Site J-9 (1977–1979): Perspectives of West Antarctic Ice Sheet history from Miocene and Holocene benthic foraminifera. Journal of Micropalaeontology, 43(1), 187-209, https://doi.org/10.5194/jm-43-187-2024
Coverage:
Latitude: -82.375000 * Longitude: -168.625000
Date/Time Start: 1977-01-01T00:00:00 * Date/Time End: 1979-12-31T00:00:00
Minimum DEPTH, sediment/rock: 0.01 m * Maximum DEPTH, sediment/rock: 1.22 m
Event(s):
RISP_J-9 * Latitude: -82.375000 * Longitude: -168.625000 * Date/Time Start: 1977-01-01T00:00:00 * Date/Time End: 1979-12-31T00:00:00 * Recovery: 381.02 m * Location: Antarctica * Campaign: Ice_core_diverse * Basis: Sampling/drilling ice * Method/Device: Thermal drill (THERM)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Sample code/label | Sample label | Dameron, Serena | SC = sphincter core, CC = core catcher, int = interval sample | ||
| 2 | Unit | Unit | Dameron, Serena | |||
| 3 | Year of sampling | Year sampl | Dameron, Serena | |||
| 4 | Core | Core | Dameron, Serena | |||
| 5 | Depth, sediment/rock, top/minimum | Depth sed top | m | Dameron, Serena | ||
| 6 | Depth, sediment/rock, bottom/maximum | Depth sed bot | m | Dameron, Serena | ||
| 7 | DEPTH, sediment/rock | Depth sed | m | Dameron, Serena | Geocode | |
| 8 | Sample type | Samp type | Dameron, Serena | |||
| 9 | Sample source | Sample source | Dameron, Serena | |||
| 10 | Species diversity | Species div | Dameron, Serena | Counting >63 µm fraction | ||
| 11 | Foraminifera, total | Foram tot | # | Dameron, Serena | Counting >63 µm fraction | |
| 12 | Spherules, magnetic | Magnet spher | # | Dameron, Serena | Counting >63 µm fraction | #1 = abundant |
| 13 | Burrows | Burrows | # | Dameron, Serena | Counting >63 µm fraction | suspected |
| 14 | Organisms | Org | # | Dameron, Serena | Counting >63 µm fraction | unknown iron-stained squiggly organism? |
| 15 | Foraminifera, reworked | Foram rew | Dameron, Serena | Counting >63 µm fraction | Oligocene? | |
| 16 | Antarcticella antarctica | A. antarctica | # | Dameron, Serena | Counting >63 µm fraction | age diagnostic species |
| 17 | Neogloboquadrina pachyderma | N. pachyderma | # | Dameron, Serena | Counting >63 µm fraction | age diagnostic species |
| 18 | Turborotalia quinqueloba | T. quinqueloba | # | Dameron, Serena | Counting >63 µm fraction | |
| 19 | Bathysiphon sp. | Bathysiphon sp. | # | Dameron, Serena | Counting >63 µm fraction | |
| 20 | Cribrostomoides sp. | Cribrostomoides sp. | # | Dameron, Serena | Counting >63 µm fraction | sp. 1 |
| 21 | Cribrostomoides sp. | Cribrostomoides sp. | # | Dameron, Serena | Counting >63 µm fraction | sp. 2 |
| 22 | Cribrostomoides wiesneri | C. wiesneri | # | Dameron, Serena | Counting >63 µm fraction | |
| 23 | Cyclammina cancellata | C. cancellata | # | Dameron, Serena | Counting >63 µm fraction | |
| 24 | Cyclammina pusilla | C. pusilla | # | Dameron, Serena | Counting >63 µm fraction | |
| 25 | Cyclammina sp. | Cyclammina sp. | # | Dameron, Serena | Counting >63 µm fraction | |
| 26 | Cyclammina trullisata | C. trullisata | # | Dameron, Serena | Counting >63 µm fraction | |
| 27 | Portatrochammina sp. | Portatrochammina sp. | # | Dameron, Serena | Counting >63 µm fraction | |
| 28 | Rhabdammina aff. abyssorum | R. aff. abyssorum | # | Dameron, Serena | Counting >63 µm fraction | |
| 29 | Textularia earlandi | T. earlandi | # | Dameron, Serena | Counting >63 µm fraction | |
| 30 | Articulina pacifica | A. pacifica | # | Dameron, Serena | Counting >63 µm fraction | |
| 31 | Miliolina | Miliolina | # | Dameron, Serena | Counting >63 µm fraction | |
| 32 | Quinqueloculina stalkeri | Q. stalkeri | # | Dameron, Serena | Counting >63 µm fraction | |
| 33 | Ammoelphidiella uniforamina | A. uniforamina | # | Dameron, Serena | Counting >63 µm fraction | age diagnostic species |
| 34 | Anomalinoides | Anomalinoides | # | Dameron, Serena | Counting >63 µm fraction | |
| 35 | Baggina brevior | B. brevior | # | Dameron, Serena | Counting >63 µm fraction | |
| 36 | Bolivina decussata | B. decussata | # | Dameron, Serena | Counting >63 µm fraction | |
| 37 | Bulimina exilis | B. exilis | # | Dameron, Serena | Counting >63 µm fraction | |
| 38 | Bulimina pyrula | B. pyrula | # | Dameron, Serena | Counting >63 µm fraction | |
| 39 | Cibicides lobatulus | C. lobatulus | # | Dameron, Serena | Counting >63 µm fraction | |
| 40 | Cibicides sp. | Cibicides sp. | # | Dameron, Serena | Counting >63 µm fraction | |
| 41 | Dentalina communis | D. communis | # | Dameron, Serena | Counting >63 µm fraction | |
| 42 | Dentalina sp. | Dentalina sp. | # | Dameron, Serena | Counting >63 µm fraction | |
| 43 | Elphidium excavatum | E. excavatum | # | Dameron, Serena | Counting >63 µm fraction | |
| 44 | Elphidium magellanicum | E. magellanicum | # | Dameron, Serena | Counting >63 µm fraction | |
| 45 | Epistomella vitrea | E. vitrea | # | Dameron, Serena | Counting >63 µm fraction | |
| 46 | Fissurina annectens | F. annectens | # | Dameron, Serena | Counting >63 µm fraction | |
| 47 | Fissurina laevigata | F. laevigata | # | Dameron, Serena | Counting >63 µm fraction | |
| 48 | Fissurina marginata | F. marginata | # | Dameron, Serena | Counting >63 µm fraction | |
| 49 | Fissurina sp. | Fissurina sp. | # | Dameron, Serena | Counting >63 µm fraction | |
| 50 | Fissurina subformosa | F. subformosa | # | Dameron, Serena | Counting >63 µm fraction | |
| 51 | Fursenkoina fusiformis | F. fusiformis | # | Dameron, Serena | Counting >63 µm fraction | |
| 52 | Globobulimina auriculata | G. auriculata | # | Dameron, Serena | Counting >63 µm fraction | |
| 53 | Globocassidulina crassa | G. crassa | # | Dameron, Serena | Counting >63 µm fraction | |
| 54 | Globocassidulina subglobosa | G. subglobosa | # | Dameron, Serena | Counting >63 µm fraction | |
| 55 | Gyroidina neosoldanii | G. neosoldanii | # | Dameron, Serena | Counting >63 µm fraction | |
| 56 | Lagena distoma | L. distoma | # | Dameron, Serena | Counting >63 µm fraction | |
| 57 | Lagena gracillima | L. gracillima | # | Dameron, Serena | Counting >63 µm fraction | |
| 58 | Lagena nebulosa | L. nebulosa | # | Dameron, Serena | Counting >63 µm fraction | |
| 59 | Lenticulina | Lenticulina | # | Dameron, Serena | Counting >63 µm fraction | |
| 60 | Lenticulina gibba | L. gibba | # | Dameron, Serena | Counting >63 µm fraction | |
| 61 | Lenticulina rotulata | L. rotulata | # | Dameron, Serena | Counting >63 µm fraction | |
| 62 | Melonis affinis | M. affinis | # | Dameron, Serena | Counting >63 µm fraction | |
| 63 | Melonis barleeanus | M. barleeanus | # | Dameron, Serena | Counting >63 µm fraction | |
| 64 | Nodosariidae | Nodosariidae | # | Dameron, Serena | Counting >63 µm fraction | Nodosariid? |
| 65 | Nonionella bradii | N. bradii | # | Dameron, Serena | Counting >63 µm fraction | |
| 66 | Nonionella iridea | N. iridea | # | Dameron, Serena | Counting >63 µm fraction | |
| 67 | Oolina globosa | O. globosa | # | Dameron, Serena | Counting >63 µm fraction | |
| 68 | Oolina sp. | Oolina sp. | # | Dameron, Serena | Counting >63 µm fraction | |
| 69 | Parafissurina aff. arctica | P. aff. arctica | # | Dameron, Serena | Counting >63 µm fraction | |
| 70 | Parafissurina lateralis | P. lateralis | # | Dameron, Serena | Counting >63 µm fraction | |
| 71 | Parafissurina staphyllearia | P. staphyllearia | # | Dameron, Serena | Counting >63 µm fraction | |
| 72 | Pullenia bulloides | P. bulloides | # | Dameron, Serena | Counting >63 µm fraction | |
| 73 | Pullenia subcarinata | P. subcarinata | # | Dameron, Serena | Counting >63 µm fraction | |
| 74 | Rosalina globulosa | R. globosa | # | Dameron, Serena | Counting >63 µm fraction | |
| 75 | Stainforthia concava | S. concava | # | Dameron, Serena | Counting >63 µm fraction | |
| 76 | Trifarina fluens | T. fluens | # | Dameron, Serena | Counting >63 µm fraction | |
| 77 | Vaginulina subelegans | V. subelegans | # | Dameron, Serena | Counting >63 µm fraction | |
| 78 | Comment | Comment | Dameron, Serena |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
14265 data points
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