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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: 2025-01-31DOI registered: 2025-02-28

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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.
Keyword(s):
Antarctica; Foraminifera; LGM; Miocene; Ross Sea
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):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Sample code/labelSample labelDameron, SerenaSC = sphincter core, CC = core catcher, int = interval sample
UnitUnitDameron, Serena
Year of samplingYear samplDameron, Serena
CoreCoreDameron, Serena
Depth, sediment/rock, top/minimumDepth sed topmDameron, Serena
Depth, sediment/rock, bottom/maximumDepth sed botmDameron, Serena
DEPTH, sediment/rockDepth sedmDameron, SerenaGeocode
Sample typeSamp typeDameron, Serena
Sample sourceSample sourceDameron, Serena
10 Species diversitySpecies divDameron, SerenaCounting >63 µm fraction
11 Foraminifera, totalForam tot#Dameron, SerenaCounting >63 µm fraction
12 Spherules, magneticMagnet spher#Dameron, SerenaCounting >63 µm fraction#1 = abundant
13 BurrowsBurrows#Dameron, SerenaCounting >63 µm fractionsuspected
14 OrganismsOrg#Dameron, SerenaCounting >63 µm fractionunknown iron-stained squiggly organism?
15 Foraminifera, reworkedForam rewDameron, SerenaCounting >63 µm fractionOligocene?
16 Antarcticella antarcticaA. antarctica#Dameron, SerenaCounting >63 µm fractionage diagnostic species
17 Neogloboquadrina pachydermaN. pachyderma#Dameron, SerenaCounting >63 µm fractionage diagnostic species
18 Turborotalia quinquelobaT. quinqueloba#Dameron, SerenaCounting >63 µm fraction
19 Bathysiphon sp.Bathysiphon sp.#Dameron, SerenaCounting >63 µm fraction
20 Cribrostomoides sp.Cribrostomoides sp.#Dameron, SerenaCounting >63 µm fractionsp. 1
21 Cribrostomoides sp.Cribrostomoides sp.#Dameron, SerenaCounting >63 µm fractionsp. 2
22 Cribrostomoides wiesneriC. wiesneri#Dameron, SerenaCounting >63 µm fraction
23 Cyclammina cancellataC. cancellata#Dameron, SerenaCounting >63 µm fraction
24 Cyclammina pusillaC. pusilla#Dameron, SerenaCounting >63 µm fraction
25 Cyclammina sp.Cyclammina sp.#Dameron, SerenaCounting >63 µm fraction
26 Cyclammina trullisataC. trullisata#Dameron, SerenaCounting >63 µm fraction
27 Portatrochammina sp.Portatrochammina sp.#Dameron, SerenaCounting >63 µm fraction
28 Rhabdammina aff. abyssorumR. aff. abyssorum#Dameron, SerenaCounting >63 µm fraction
29 Textularia earlandiT. earlandi#Dameron, SerenaCounting >63 µm fraction
30 Articulina pacificaA. pacifica#Dameron, SerenaCounting >63 µm fraction
31 MiliolinaMiliolina#Dameron, SerenaCounting >63 µm fraction
32 Quinqueloculina stalkeriQ. stalkeri#Dameron, SerenaCounting >63 µm fraction
33 Ammoelphidiella uniforaminaA. uniforamina#Dameron, SerenaCounting >63 µm fractionage diagnostic species
34 AnomalinoidesAnomalinoides#Dameron, SerenaCounting >63 µm fraction
35 Baggina breviorB. brevior#Dameron, SerenaCounting >63 µm fraction
36 Bolivina decussataB. decussata#Dameron, SerenaCounting >63 µm fraction
37 Bulimina exilisB. exilis#Dameron, SerenaCounting >63 µm fraction
38 Bulimina pyrulaB. pyrula#Dameron, SerenaCounting >63 µm fraction
39 Cibicides lobatulusC. lobatulus#Dameron, SerenaCounting >63 µm fraction
40 Cibicides sp.Cibicides sp.#Dameron, SerenaCounting >63 µm fraction
41 Dentalina communisD. communis#Dameron, SerenaCounting >63 µm fraction
42 Dentalina sp.Dentalina sp.#Dameron, SerenaCounting >63 µm fraction
43 Elphidium excavatumE. excavatum#Dameron, SerenaCounting >63 µm fraction
44 Elphidium magellanicumE. magellanicum#Dameron, SerenaCounting >63 µm fraction
45 Epistomella vitreaE. vitrea#Dameron, SerenaCounting >63 µm fraction
46 Fissurina annectensF. annectens#Dameron, SerenaCounting >63 µm fraction
47 Fissurina laevigataF. laevigata#Dameron, SerenaCounting >63 µm fraction
48 Fissurina marginataF. marginata#Dameron, SerenaCounting >63 µm fraction
49 Fissurina sp.Fissurina sp.#Dameron, SerenaCounting >63 µm fraction
50 Fissurina subformosaF. subformosa#Dameron, SerenaCounting >63 µm fraction
51 Fursenkoina fusiformisF. fusiformis#Dameron, SerenaCounting >63 µm fraction
52 Globobulimina auriculataG. auriculata#Dameron, SerenaCounting >63 µm fraction
53 Globocassidulina crassaG. crassa#Dameron, SerenaCounting >63 µm fraction
54 Globocassidulina subglobosaG. subglobosa#Dameron, SerenaCounting >63 µm fraction
55 Gyroidina neosoldaniiG. neosoldanii#Dameron, SerenaCounting >63 µm fraction
56 Lagena distomaL. distoma#Dameron, SerenaCounting >63 µm fraction
57 Lagena gracillimaL. gracillima#Dameron, SerenaCounting >63 µm fraction
58 Lagena nebulosaL. nebulosa#Dameron, SerenaCounting >63 µm fraction
59 LenticulinaLenticulina#Dameron, SerenaCounting >63 µm fraction
60 Lenticulina gibbaL. gibba#Dameron, SerenaCounting >63 µm fraction
61 Lenticulina rotulataL. rotulata#Dameron, SerenaCounting >63 µm fraction
62 Melonis affinisM. affinis#Dameron, SerenaCounting >63 µm fraction
63 Melonis barleeanusM. barleeanus#Dameron, SerenaCounting >63 µm fraction
64 NodosariidaeNodosariidae#Dameron, SerenaCounting >63 µm fractionNodosariid?
65 Nonionella bradiiN. bradii#Dameron, SerenaCounting >63 µm fraction
66 Nonionella irideaN. iridea#Dameron, SerenaCounting >63 µm fraction
67 Oolina globosaO. globosa#Dameron, SerenaCounting >63 µm fraction
68 Oolina sp.Oolina sp.#Dameron, SerenaCounting >63 µm fraction
69 Parafissurina aff. arcticaP. aff. arctica#Dameron, SerenaCounting >63 µm fraction
70 Parafissurina lateralisP. lateralis#Dameron, SerenaCounting >63 µm fraction
71 Parafissurina staphylleariaP. staphyllearia#Dameron, SerenaCounting >63 µm fraction
72 Pullenia bulloidesP. bulloides#Dameron, SerenaCounting >63 µm fraction
73 Pullenia subcarinataP. subcarinata#Dameron, SerenaCounting >63 µm fraction
74 Rosalina globulosaR. globosa#Dameron, SerenaCounting >63 µm fraction
75 Stainforthia concavaS. concava#Dameron, SerenaCounting >63 µm fraction
76 Trifarina fluensT. fluens#Dameron, SerenaCounting >63 µm fraction
77 Vaginulina subelegansV. subelegans#Dameron, SerenaCounting >63 µm fraction
78 CommentCommentDameron, Serena
Size:
14265 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Sample label
(SC = sphincter core, CC = cor...)

Unit

Year sampl

Core

Depth sed top [m]

Depth sed bot [m]

Depth sed [m]

Samp type

Sample source
10 
Species div
11 
Foram tot [#]
12 
Magnet spher [#]
(#1 = abundant)
13 
Burrows [#]
(suspected)
14 
Org [#]
(unknown iron-stained squiggly...)
15 
Foram rew
(Oligocene?)
16 
A. antarctica [#]
(age diagnostic species)
17 
N. pachyderma [#]
(age diagnostic species)
18 
T. quinqueloba [#]
19 
Bathysiphon sp. [#]
20 
Cribrostomoides sp. [#]
(sp. 1)
21 
Cribrostomoides sp. [#]
(sp. 2)
22 
C. wiesneri [#]
23 
C. cancellata [#]
24 
C. pusilla [#]
25 
Cyclammina sp. [#]
26 
C. trullisata [#]
27 
Portatrochammina sp. [#]
28 
R. aff. abyssorum [#]
29 
T. earlandi [#]
30 
A. pacifica [#]
31 
Miliolina [#]
32 
Q. stalkeri [#]
33 
A. uniforamina [#]
(age diagnostic species)
34 
Anomalinoides [#]
35 
B. brevior [#]
36 
B. decussata [#]
37 
B. exilis [#]
38 
B. pyrula [#]
39 
C. lobatulus [#]
40 
Cibicides sp. [#]
41 
D. communis [#]
42 
Dentalina sp. [#]
43 
E. excavatum [#]
44 
E. magellanicum [#]
45 
E. vitrea [#]
46 
F. annectens [#]
47 
F. laevigata [#]
48 
F. marginata [#]
49 
Fissurina sp. [#]
50 
F. subformosa [#]
51 
F. fusiformis [#]
52 
G. auriculata [#]
53 
G. crassa [#]
54 
G. subglobosa [#]
55 
G. neosoldanii [#]
56 
L. distoma [#]
57 
L. gracillima [#]
58 
L. nebulosa [#]
59 
Lenticulina [#]
60 
L. gibba [#]
61 
L. rotulata [#]
62 
M. affinis [#]
63 
M. barleeanus [#]
64 
Nodosariidae [#]
(Nodosariid?)
65 
N. bradii [#]
66 
N. iridea [#]
67 
O. globosa [#]
68 
Oolina sp. [#]
69 
P. aff. arctica [#]
70 
P. lateralis [#]
71 
P. staphyllearia [#]
72 
P. bulloides [#]
73 
P. subcarinata [#]
74 
R. globosa [#]
75 
S. concava [#]
76 
T. fluens [#]
77 
V. subelegans [#]
78 
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78/32-CC, 58lower1978320.580.580.58CCGreene 1990 MS thesis11000000000000000000000000000000000000000000000000000000000000000010
78/10, 59.5-61lower100.600.610.60intScherer00000000000000000000000000000000000000000000000000000000000000000000
78/10, 60-63.5lower1978100.600.640.62intGreene 1990 MS thesis11000000000000000000000000001000000000000000000000000000000000000000
78/16, 60-65lower1978160.600.650.63intGreene 1990 MS thesis00000000000000000000000000000000000000000000000000000000000000000000presumably barren sample not listed in thesis
78/17-CC, 61lower1978170.610.610.61CCGreene 1990 MS thesis00070000000000000000000000000000000000000000000000000000000000000000presumably barren sample not listed in thesis
78/29-CC, 61lower1978290.610.610.61CCGreene 1990 MS thesis11000000000000000000000000000000001000000000000000000000000000000000
78/30-CC, 61lower1978300.610.610.61CCGreene 1990 MS thesis34000000000000000000000000000010002000000000000000010000000000000000
78/36-CC, 61lower1978360.610.610.61CCGreene 1990 MS thesis00000000000000000000000000000000000000000000000000000000000000000000presumably barren sample not listed in thesis
77/9, 62-66lower197790.620.660.64intOSU sample request00010000000000000000000000000000000000000000000000000000000000000000
78/8, 63-74lower197880.630.740.69intOSU sample request00000000000000000000000000000000000000000000000000000000000000000000Archived half
77/6-CC, 63lower197760.630.630.63CCGreene 1990 MS thesis12000000000000000000000000000000000000000000000000000000000000000020
78/9, 64-66lower90.640.660.65intScherer00000000000000000000000000000000000000000000000000000000000000000000
78/35, 64-68lower1978350.640.680.66intOSU sample request00000000000000000000000000000000000000000000000000000000000000000000
78/7, 64.5-66lower70.650.660.65intScherer00110000000000000000000000000000000000000000000000000000000000000000
78/24, 65-68lower1978240.650.680.67intGreene 1990 MS thesis00000000000000000000000000000000000000000000000000000000000000000000presumably barren sample not listed in thesis
78/16, 65-70lower1978160.650.700.68intGreene 1990 MS thesis00000000000000000000000000000000000000000000000000000000000000000000presumably barren sample not listed in thesis
78/7, 66-78lower197870.660.780.72intOSU sample request00020000000000000000000000000000000000000000000000000000000000000000Archived half
78/9-CC, 68lower197890.680.680.68CCGreene 1990 MS thesis2338000031001000000000110101000100002110002000160000111100000100200161
78/7, 70-72lower197870.700.720.71intScherer00000000000000000000000000000000000000000000000000000000000000000000
78/35, 70-73lower1978350.700.730.72intOSU sample request00000000000000000000000000000000000000000000000000000000000000000000
78/12, 70-73.5lower1978120.700.740.72intGreene 1990 MS thesis00000000000000000000000000000000000000000000000000000000000000000000presumably barren sample not listed in thesis
78/16, 72-77lower1978160.720.770.75intGreene 1990 MS thesis00000000000000000000000000000000000000000000000000000000000000000000presumably barren sample not listed in thesis
77/7-CC, 73lower197770.730.730.73CCGreene 1990 MS thesis17590000310000000000000000001301110060100000000621000105070001000000180
78/8, 74-84lower197880.740.840.79intOSU sample request00020000000000000000000000000000000000000000000000000000000000000000Archived half
78/6-CC, 74lower197860.740.740.74CCGreene 1990 MS thesis7710000001000000000000000000000000001000000000011000000001000000010010
???/8, 74-76lower80.740.760.75intScherer00000000000000000000000000000000000000000000000000000000000000000000
78/11-CC, 77lower1978110.770.770.77CCGreene 1990 MS thesis008211000000000000000000000000000000000000000000000000000000000000000presumably barren sample not listed in thesis
78/16, 77-86lower1978160.770.860.82intGreene 1990 MS thesis00000000000000000000000000000000000000000000000000000000000000000000presumably barren sample not listed in thesis
78/7-CC, 78lower197870.780.780.78CCGreene 1990 MS thesis22100000001000000000000000000000000010000000000000000000000000000000
78/10, 79.5-81lower100.800.810.80intScherer00000000000000000000000000000000000000000000000000000000000000000000
78/24, 80-83lower1978240.800.830.82intGreene 1990 MS thesis00000000000000000000000000000000000000000000000000000000000000000000presumably barren sample not listed in thesis
78/5, 80-83.5lower197850.800.840.82intGreene 1990 MS thesis00000000000000000000000000000000000000000000000000000000000000000000presumably barren sample not listed in thesis
78/16-CC, 86lower1978160.860.860.86CCGreene 1990 MS thesis00000000000000000000000000000000000000000000000000000000000000000000presumably barren sample not listed in thesis
78/10-CC, 87lower1978100.870.870.87CCGreene 1990 MS thesis58050010000000000000000000000000003000000000000001000000200000000010
78/8-CC, 88lower197880.880.880.88CCGreene 1990 MS thesis10242300010000000000000000100000000006000000000130000001002101000000070
78/8, 88.5-90lower80.890.900.89intScherer00000000000000000000000000000000000000000000000000000000000000000000
78/20-CC, 91lower1978200.910.910.91CCGreene 1990 MS thesis00560400000000000000000000000000000000000000000000000000000000000000presumably barren sample not listed in thesis
77/10-CC, 92lower1977100.920.920.92CCGreene 1990 MS thesis18540000110000000000000000000020010281010000204400000012023000000001171
78/25-CC, 93lower1978250.930.930.93CCGreene 1990 MS thesis490013100000000000000000000000010004000000000000000010000000000000030
78/24, 95-98lower1978240.950.980.97intGreene 1990 MS thesis11000000000000000000000000000000001000000000000000000000000000000000presumably barren sample not listed in thesis
78/12, 99-100lower1978120.991.001.00intScherer00000000000000000000000000000000000000000000000000000000000000000000
78/15-CC, 100lower1978151.001.001.00CCGreene 1990 MS thesis00000000000000000000000000000000000000000000000000000000000000000000presumably barren sample not listed in thesis
78/14-CC, 101lower1978141.011.011.01CCGreene 1990 MS thesis00000300000000000000000000000000000000000000000000000000000000000000presumably barren sample not listed in thesis
78/23-CC, 101lower1978231.011.011.01CCGreene 1990 MS thesis441600000000000000000000000000000001000000000000010000000000000010010
77/8-CC, 102lower197781.021.021.02CCGreene 1990 MS thesis165800008200000000000000000103000000101100000011220000010010000100001220
78/24-CC, 111lower1978241.111.111.11CCGreene 1990 MS thesis155420005100000000000000002000000000102000000207200000011004000100011140
78/12, 117-118lower1978121.171.181.18intScherer00000000000000000000000000000000000000000000000000000000000000000000
78/12, 118.5-122lower1978121.191.221.20intGreene 1990 MS thesis00000000000000000000000000000000000000000000000000000000000000000000presumably barren sample not listed in thesis
78/12-CC, 122lower1978121.221.221.22CCGreene 1990 MS thesis11#1026600000000000000000000000000001000000000000000000000000000000000presumably barren sample not listed in thesis