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  • 1
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    (Table 1) Age, location, and depositional environment information for hardgrounds (2019)
    PANGAEA
    Details
    Publication Date: 2023-12-11
    Keywords: 1; 10; 11; 12; 13; 14; 15; 16; 17; 2; 3; 4; 5; 6; 7; 8; 9; Age, comment; Avon Park Formation, USA; carbonate hard grounds; CHC-01; CHC-02; CHC-03; CHC-04; CHC-05; CHC-06; CHC-07; CHC-08; CHC-09; CHC-10; CHC-11; CHC-12; CHC-13; CHC-14; CHC-15; CHC-16; CHC-17; Enewetak Atoll, Marshalls Islands; Environment; Eskett Limestones, England; Event label; Furongian, Banff National Park; Geological sample; GEOS; Gerecse Mts. Of Hungary; Holder formation, New Mexico; Intertidal Zone, Persian Gulf, UAE; Kanosh Formation, Utah; Latemar Formation; LATITUDE; Location; LONGITUDE; Marjuman, Banff National Park; Meerssen Member, the Netherlands; Mg/Ca ratios; Mussafah Channel Hardground, UAE; Period; Qishn Formation, Oman; Reference/source; Sample code/label; Stage; strontium isotopes; Suwannee Limestone, USA; Upper Greensands, Devon, UK
    Type: Dataset
    Format: text/tab-separated-values, 119 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    Mass accumulation rates of IODP Hole 320-U1333C (2013)
    PANGAEA
    In:  Supplement to: Erhardt, Andrea M; Pälike, Heiko; Paytan, Adina (2013): High-resolution record of export production in the eastern equatorial Pacific across the Eocene-Oligocene transition and relationships to global climatic records. Paleoceanography, 28(1), 130-142, https://doi.org/10.1029/2012PA002347
    Details
    Publication Date: 2023-12-14
    Description: Understanding changes in export production through time provides insight into the response of the biological pump to global climate change, particularly during periods of rapid climate change. In this study we consider what role changes in export production may have had on carbon sequestration and how this may have contributed to the onset of the Eocene-Oligocene transition (EOT). In addition, we consider if these export production variations are dominantly controlled by orbitally driven climate variability. To accomplish these objectives, we report changes in export production in the Eastern Equatorial Pacific (EEP) from Site U1333 across the EOT reconstructed from a high-resolution record of marine barite accumulation rates (BAR). BAR fluctuations suggest synchronous declines in export production associated with the two-step increases in oxygen isotopes that define the transition. The reduction in productivity across the EOT suggests that the biological pump did not contribute to carbon sequestration and the cooling over this transition. We also report a previously undocumented peak in EEP export productivity before the EOT onset. This peak is consistent with export production proxies from the Southern Ocean, potentially implying a global driver for this precursor event. We propose that this enhanced export production and the associated carbon sequestration in the late Eocene may have contributed to the pCO2 drawdown at the onset of Antarctic glaciation.
    Keywords: 320-U1333C; Accumulation rate, barite; Accumulation rate, mass; AGE; Age, reference; Barite; Density, dry bulk; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Exp320; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Mass; Pacific Equatorial Age Transect I; Sample code/label; Sample mass; Sedimentation rate
    Type: Dataset
    Format: text/tab-separated-values, 3038 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    (Table 1) Age model of ODP Leg 198 sites (2010)
    PANGAEA
    Details
    Publication Date: 2024-01-09
    Keywords: 198-1209; 198-1210; 198-1211; Age model; Ageprofile Datum Description; COMPCORE; Composite Core; DEPTH, sediment/rock; Event label; Joides Resolution; Leg198; North Pacific Ocean; Ocean Drilling Program; ODP; Reference/source
    Type: Dataset
    Format: text/tab-separated-values, 39 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    (Table S1) CaCO3 and barite content and accumulation rates in ODP Leg 198 holes and DSDP Hole 85-574C (2010)
    PANGAEA
    Details
    Publication Date: 2024-01-09
    Keywords: 198-1209A; 198-1209B; 198-1210A; 198-1210B; 198-1211; 199-1218A; 85-574C; Accumulation rate, barite; Accumulation rate, calcium carbonate; Accumulation rate, mass; Aralia sp.; Barite; Calcium carbonate; Calculated; COMPCORE; Composite Core; Coulometry; Deep Sea Drilling Project; Density, dry bulk; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Elevation of event; Event label; Glomar Challenger; Joides Resolution; Latitude of event; Leg198; Leg199; Leg85; Longitude of event; North Pacific/TROUGH; North Pacific Ocean; Ocean Drilling Program; ODP; Sample code/label; Sequential leaching technique
    Type: Dataset
    Format: text/tab-separated-values, 1352 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    (Table S2) Sand fraction of ODP Leg 198 holes (2010)
    PANGAEA
    Details
    Publication Date: 2024-01-09
    Keywords: 198-1209B; 198-1210B; 198-1211B; AGE; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; Grain size, sieving; Joides Resolution; Leg198; North Pacific Ocean; Ocean Drilling Program; ODP; Sample code/label; Size fraction 〉 0.063 mm, sand
    Type: Dataset
    Format: text/tab-separated-values, 180 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
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    Chemical composition of carbonate hardground cements (2019)
    PANGAEA
    Details
    Publication Date: 2023-12-11
    Description: Trace metal and isotopic ratios, including some rare earth elements, Mg/Ca, manganese and strontium concentrations, δ¹⁸O, δ¹³C, and ⁸⁷Sr/⁸⁶Sr, were analyzed in the carbonate cements from 17 Phanerozoic carbonate hardgrounds. The sensitivity of the geochemical signal to alteration depends on the geochemical analysis in question and the environmental water-rock ratio. Of these samples, only our modern sample has measurements consistent with primary precipitation from seawater; all other samples precipitated from chemically evolved seawater or were influenced by meteoric water, even if only minimally changed. The more recent samples from the Cenozoic had seawater ⁸⁷Sr/⁸⁶Sr. The Mesozoic samples, in contrast, did not preserve seawater ⁸⁷Sr/⁸⁶Sr, even though the Mg/Ca, δ¹⁸O, and δ¹³C values were consistent with precipitation from seawater. Finally, the Paleozoic samples preserved expected seawater ⁸⁷Sr/⁸⁶Sr, though REE and δ¹⁸O suggest primary precipitation was from evolved seawater. Additionally, we place our results in the context of open vs. closed system precipitation using transects of the Mg/Ca ratios across individual cements. Overall, we stress that one geochemical measurement provides only a partial record of fluid composition, but multiple measurements allow a potential understanding of the seawater geochemical signal.
    Keywords: carbonate hard grounds; Mg/Ca ratios; strontium isotopes
    Type: Dataset
    Format: application/zip, 7 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 7
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    (Table S1) Laser ablation strontium isotope analysis for hardgrounds (2019)
    PANGAEA
    Details
    Publication Date: 2023-12-11
    Keywords: 1; 10; 11; 12; 16; 2; 3; 4; 5; 9; Age, comment; Avon Park Formation, USA; carbonate hard grounds; CHC-01; CHC-02; CHC-03; CHC-04; CHC-05; CHC-09; CHC-10; CHC-11; CHC-12; CHC-16; Enewetak Atoll, Marshalls Islands; Event label; Furongian, Banff National Park; Geological sample; GEOS; Gerecse Mts. Of Hungary; Holder formation, New Mexico; Intertidal Zone, Persian Gulf, UAE; LA-ICP-MS, Laser-ablation inductively coupled plasma mass spectrometer; Latemar Formation; Latitude of event; Longitude of event; Mussafah Channel Hardground, UAE; Sample ID; Strontium-87/Strontium-86 ratio; Strontium-87/Strontium-86 ratio, standard deviation; strontium isotopes; Suwannee Limestone, USA
    Type: Dataset
    Format: text/tab-separated-values, 496 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 8
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    (Table S3) Electron microprobe measurements analysis for hardgrounds (2020)
    PANGAEA
    Details
    Publication Date: 2023-12-11
    Keywords: 1; 10; 11; 13; 14; 15; 16; 17; 2; 3; 4; 5; 6; 7; 8; 9; Age, comment; Avon Park Formation, USA; carbonate hard grounds; CHC-01; CHC-02; CHC-03; CHC-04; CHC-05; CHC-06; CHC-07; CHC-08; CHC-09; CHC-10; CHC-11; CHC-13; CHC-14; CHC-15; CHC-16; CHC-17; Electron microprobe (EMP); Enewetak Atoll, Marshalls Islands; Eskett Limestones, England; Event label; Furongian, Banff National Park; Geological sample; GEOS; Gerecse Mts. Of Hungary; Holder formation, New Mexico; Intertidal Zone, Persian Gulf, UAE; Kanosh Formation, Utah; Latemar Formation; Latitude of event; Longitude of event; Magnesium; Magnesium/Calcium ratio; Manganese/Strontium ratio; Marjuman, Banff National Park; Meerssen Member, the Netherlands; Mg/Ca ratios; Mussafah Channel Hardground, UAE; Qishn Formation, Oman; Sample ID; Strontium; Suwannee Limestone, USA; Upper Greensands, Devon, UK
    Type: Dataset
    Format: text/tab-separated-values, 1602 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 9
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    (Table S2) Elemental data raw results and internal standard errors for hardground samples (2020)
    PANGAEA
    Details
    Publication Date: 2023-12-11
    Keywords: 1; 11; 12; 17; 2; 3; 4; 5; 9; Age, comment; Aluminium; Aluminium, standard error; Avon Park Formation, USA; Barium; Barium, standard error; Calcium; Calcium, standard error; carbonate hard grounds; Cerium; Cerium, standard error; CHC-01; CHC-02; CHC-03; CHC-04; CHC-05; CHC-09; CHC-11; CHC-12; CHC-17; Copper; Copper, standard error; Enewetak Atoll, Marshalls Islands; Event label; Geological sample; GEOS; Gerecse Mts. Of Hungary; Holder formation, New Mexico; Intertidal Zone, Persian Gulf, UAE; Iron; Iron, standard error; LA-ICP-MS, Laser-ablation inductively coupled plasma mass spectrometer; Lanthanum; Lanthanum, standard error; Latemar Formation; Latitude of event; Magnesium; Magnesium, standard error; Manganese; Manganese, standard error; Marjuman, Banff National Park; Mussafah Channel Hardground, UAE; Neodymium; Neodymium, standard error; Phosphorus; Phosphorus, standard error; Praseodymium; Praseodymium, standard error; Sample ID; Strontium; Strontium, standard error; Sulfur; Sulfur, standard error; Suwannee Limestone, USA; Thorium; Thorium, standard error; Titanium; Titanium, standard error; Uranium; Uranium, standard error; Yttrium; Yttrium, standard error; Zinc; Zinc, standard error
    Type: Dataset
    Format: text/tab-separated-values, 7960 data points
    Location Call Number Limitation Availability
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  • 10
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    (Table 2) Lanthanum, cerium, praseodymium, neodymium and yttrium average shale-normalized values and cerium anomalies for hardground samples (2019)
    PANGAEA
    Details
    Publication Date: 2023-12-11
    Keywords: 1; 10; 11; 12; 17; 2; 3; 4; 9; Age, comment; carbonate hard grounds; Cerium, normalized; Cerium anomaly; CHC-01; CHC-02; CHC-03; CHC-04; CHC-09; CHC-10; CHC-11; CHC-12; CHC-17; Enewetak Atoll, Marshalls Islands; Event label; Geological sample; GEOS; Gerecse Mts. Of Hungary; Holder formation, New Mexico; Intertidal Zone, Persian Gulf, UAE; Lanthanum, normalized; Latemar Formation; Latitude of event; Longitude of event; Marjuman, Banff National Park; Mussafah Channel Hardground, UAE; Neodymium, normalized; Period; Praseodymium, normalized; Shale-normalized; Stage; Suwannee Limestone, USA; Yttrium, normalized
    Type: Dataset
    Format: text/tab-separated-values, 90 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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