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Hess, Anya; Auderset, Alexandra; Rosenthal, Yair; Sigman, Daniel M; Martínez-García, Alfredo (2025): Updated age models for GTS20 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.982882, In: Hess, A et al. (2025): Limited oxygen deficiency in the Arabian Sea during the Miocene [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.982881

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Published: 2025-12-04DOI registered: 2025-12-04

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Keyword(s):
Arabian Sea; Biomarkers; Deoxygenation; Foraminifera; Foraminifera-bound nitrogen isotopes; GDGT; GTS20; I/Ca; Mg/Ca; Miocene; Miocene Climate Optimum; Mn/Ca; Oxygen deficient zones; Oxygen minimum zone; Planktonic foraminifera
References:
Backman, Jan; Duncan, Robert A; et al. (1988): Proceedings of the Ocean Drilling Program, 115 Initial Reports. Proceedings of the Ocean Drilling Program, Ocean Drilling Program, 115, 1085 pp, https://doi.org/10.2973/odp.proc.ir.115.1988
Flores, José Abel; Johnson, J E; Mejía-Molina, A E; Álvarez, M C; Sierro, Francisco Javier; Singh, S D; Mahanti, Syamal; Giosan, Liviu (2014): Sedimentation rates from calcareous nannofossil and planktonic foraminifera biostratigraphy in the Andaman Sea, northern Bay of Bengal, and eastern Arabian Sea. Marine and Petroleum Geology, 58, 425-437, https://doi.org/10.1016/j.marpetgeo.2014.08.011
Gradstein, Felix M; Ogg, James G; Schmitz, Mark D; Ogg, Gabi (2020): Geologic Time Scale 2020. Elsevier, https://doi.org/10.1016/C2020-1-02369-3
Holbourn, Ann E; Kuhnt, Wolfgang; Simo, J A; Li, Qianyu (2004): Middle Miocene isotope stratigraphy and paleoceanographic evolution of the northwest and southwest Australian margins (Wombat Plateau and Great Australian Bight). Palaeogeography, Palaeoclimatology, Palaeoecology, 208(1-2), 1-22, https://doi.org/10.1016/j.palaeo.2004.02.003
Kamikuri, Shin-Ichi (2022): Tropical Radiolarian Biostratigraphy from the Early to Late Miocene at ODP Site 714 in the Tropical Indian Ocean. Paleontological Research, 26(2), https://doi.org/10.2517/PR200017
Pagani, Mark; Arthur, Michael A; Freeman, Katherine H (1999): Miocene evolution of atmospheric carbon dioxide. Paleoceanography, 14(3), 273-292, https://doi.org/10.1029/1999pa900006
Peirce, John W; Weissel, Jeffrey K; et al. (1989): Proceedings of the Ocean Drilling Program, 121 Initial Reports. Proceedings of the Ocean Drilling Program, Ocean Drilling Program, 121, 1000 pp, https://doi.org/10.2973/odp.proc.ir.121.1989
Prell, Warren L; Niitsuma, Nobuaki; et al. (1989): Proceedings of the Ocean Drilling Program, 117 Initial Reports. Proceedings of the Ocean Drilling Program, Ocean Drilling Program, 117, 1236 pp, https://doi.org/10.2973/odp.proc.ir.117.1989
Rio, Domenico; Fornaciari, Eliana; Raffi, Isabella (1990): Late Oligocene through early Pleistocene calcareous nannofossils from western equatorial Indian Ocean (Leg 115). In: Duncan, RA; Backmann, J; Peterson, LC; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 115, 175-235, https://doi.org/10.2973/odp.proc.sr.115.152.1990
Sosdian, Sindia M; Greenop, Rosanna; Hain, Mathis P; Foster, Gavin L; Pearson, Paul N; Lear, Caroline H (2018): Constraining the evolution of Neogene ocean carbonate chemistry using the boron isotope pH proxy. Earth and Planetary Science Letters, 498, 362-376, https://doi.org/10.1016/j.epsl.2018.06.017
Yang, Xueping; Groeneveld, Jeroen; Jian, Zhimin; Steinke, Stephan; Giosan, Liviu (2020): Middle Miocene Intensification of South Asian Monsoonal Rainfall. Paleoceanography and Paleoclimatology, 35(12), e2020PA003853, https://doi.org/10.1029/2020PA003853
Project(s):
Funding:
National Science Foundation (NSF), grant/award no. OCE-2303513
Swiss National Science Foundation (SNF), grant/award no. P2EZP2_200000
Coverage:
Median Latitude: 1.173494 * Median Longitude: 78.546450 * South-bound Latitude: -30.941000 * West-bound Longitude: 57.692000 * North-bound Latitude: 17.731400 * East-bound Longitude: 115.535000
Date/Time Start: 1987-06-23T00:00:00 * Date/Time End: 1988-07-25T00:00:00
Minimum DEPTH, sediment/rock: 6.3000 m * Maximum DEPTH, sediment/rock: 404.5400 m
Event(s):
115-714 * Latitude: 5.060000 * Longitude: 73.786700 * Date/Time Start: 1987-06-23T00:00:00 * Date/Time End: 1987-06-24T00:00:00 * Elevation: -2041.0 m * Penetration: 355.6 m * Recovery: 309.6 m * Location: Lakshadweep Sea * Campaign: Leg115 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 38 cores; 355.6 m cored; 0 m drilled; 87.1% recovery
117-722 * Latitude: 16.621800 * Longitude: 59.795300 * Date/Time Start: 1987-09-07T00:00:00 * Date/Time End: 1987-09-13T00:00:00 * Elevation: -2033.5 m * Penetration: 845.6 m * Recovery: 611.8 m * Location: Arabian Sea * Campaign: Leg117 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 88 cores; 845.1 m cored; 0 m drilled; 72.4% recovery
117-730 * Latitude: 17.731400 * Longitude: 57.692000 * Date/Time Start: 1987-09-29T00:00:00 * Date/Time End: 1987-09-30T00:00:00 * Elevation: -1076.0 m * Penetration: 403.9 m * Recovery: 323.7 m * Location: Arabian Sea * Campaign: Leg117 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 42 cores; 403.9 m cored; 0 m drilled; 80.1% recovery
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventHess, Anya
2StratigraphyStratigraphyHess, AnyaType
3Datum/eventDatum/eventHess, Anya
4Sample code/labelSample labelHess, AnyaDSDP/ODP/IODP sample designationupper depth
5Sample code/labelSample labelHess, AnyaDSDP/ODP/IODP sample designationlower depth
6Depth, sediment/rock, top/minimumDepth sed topmHess, Anyambsf
7Depth, sediment/rock, bottom/maximumDepth sed botmHess, Anyambsf
8DEPTH, sediment/rockDepth sedmHess, AnyaGeocode – mbsf
9Reference/sourceReferenceHess, Anyadepth and Event
10AgeAgeMaHess, Anya
11Age, minimum/youngAge minMaHess, Anya
12Age, maximum/oldAge maxMaHess, Anya
13Reference/sourceReferenceHess, Anyaage
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
756 data points

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