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  • 1
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    (Table 1) Carbonate chemistry parameters from stations in the northern Gulf of California (2013)
    PANGAEA
    Details
    Publication Date: 2023-03-14
    Keywords: Alkalinity, total; Aragonite saturation state; Bicarbonate ion; Calcite saturation state; Calculated; Carbon, inorganic, dissolved; Carbonate ion; Carbon dioxide; Carbon dioxide, partial pressure; CTD/Rosette; CTD-RO; DEPTH, water; Elevation of event; El Puma; Event label; Gulf of California; Latitude of event; Longitude of event; Mediterranean Sea Acidification in a Changing Climate; MedSeA; pH; pH meter (Metrohm ph mobile); Salinity; Temperature, water; WACTD-02-01CTD; WACTD-02-02CTD; WACTD-02-09CTD; WACTD-02-12CTD; WACTD-02-19CTD; WACTD-02-25CTD; WACTD-02-27CTD; WACTD-02-29CTD; WACTD-02-31CTD; WAG-02
    Type: Dataset
    Format: text/tab-separated-values, 97 data points
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  • 2
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    Benthic foraminiferal assemblage counts from the Gulf of California (2013)
    PANGAEA
    In:  Supplement to: Pettit, Laura Rachel; Hart, Malcom B; Medina-Sánchez, A N; Smart, Christopher W; Rodolfo-Metalpa, Riccardo; Hall-Spencer, Jason M; Prol-Ledesma, Rosa Maria (2013): Benthic foraminifera show some resilience to ocean acidification in the northern Gulf of California, Mexico. Marine Pollution Bulletin, 73(2), 452-462, https://doi.org/10.1016/j.marpolbul.2013.02.011
    Details
    Publication Date: 2023-05-12
    Description: Extensive CO2 vents have been discovered in the Wagner Basin, northern Gulf of California, where they create large areas with lowered seawater pH. Such areas are suitable for investigations of long-term biological effects of ocean acidification and effects of CO2 leakage from subsea carbon capture storage. Here, we show responses of benthic foraminifera to seawater pH gradients at 74-207 m water depth. Living (rose Bengal stained) benthic foraminifera included Nonionella basispinata, Epistominella bradyana and Bulimina marginata. Studies on foraminifera at CO2 vents in the Mediterranean and off Papua New Guinea have shown dramatic long-term effects of acidified seawater. We found living calcareous benthic foraminifera in low pH conditions in the northern Gulf of California, although there was an impoverished species assemblage and evidence of post-mortem test dissolution.
    Keywords: Mediterranean Sea Acidification in a Changing Climate; MedSeA
    Type: Dataset
    Format: application/zip, 5 datasets
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  • 3
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    (Table 2) Counts of live (stained) benthic foraminifera from stations in the northern Gulf of California (2013)
    PANGAEA
    Details
    Publication Date: 2023-03-25
    Keywords: Ammonia beccarii; Bolivina acutula; Bolivina sp.; Bulimina denudata; Bulimina marginata; Counting 〉63 µm fraction; DEPTH, sediment/rock; Elevation of event; Elphidium excavatum; El Puma; Epistominella bradyana; Event label; Foraminifera, benthic agglutinated indeterminata; Foraminifera, benthic calcareous indeterminata; Grab; GRAB; Gulf of California; Hanzawaia nitidula; Latitude of event; Longitude of event; Mediterranean Sea Acidification in a Changing Climate; MedSeA; Nonionella basispinata; Reophax sp.; WAG-02; WAG-02-01G; WAG-02-02G; WAG-02-09G; WAG-02-12G; WAG-02-19G; WAG-02-25G; WAG-02-27G; WAG-02-29G; WAG-02-31G
    Type: Dataset
    Format: text/tab-separated-values, 135 data points
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  • 4
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    (Table 3) Dead (not stained) benthic foraminifera from stations in the northern Gulf of California (2013)
    PANGAEA
    Details
    Publication Date: 2023-03-25
    Keywords: Ammonia beccarii; Bolivina acuminata; Bolivina acutula; Bolivina sp.; Buccella tenerrima; Bulimina denudata; Bulimina marginata; Bulimina sp.; Cancris auriculus; Cassidulina sp.; Counting 〉63 µm fraction; DEPTH, sediment/rock; Elevation of event; Elphidium excavatum; Elphidium sp.; El Puma; Epistominella bradyana; Eponides sp.; Event label; Foraminifera, benthic, fragments; Foraminifera, benthic agglutinated indeterminata; Foraminifera, benthic calcareous indeterminata; Grab; GRAB; Gulf of California; Hanzawaia nitidula; Lagena sp.; Latitude of event; Lenticulina; Longitude of event; Loxostomum pseudobeyrichii; Mediterranean Sea Acidification in a Changing Climate; MedSeA; Nonionella basispinata; Nonionella sp.; Reophax sp.; Textularia sp.; Trochammina sp.; Uvigerina excellens; Veleroninoides; WAG-02; WAG-02-01G; WAG-02-02G; WAG-02-09G; WAG-02-12G; WAG-02-19G; WAG-02-25G; WAG-02-27G; WAG-02-29G; WAG-02-31G
    Type: Dataset
    Format: text/tab-separated-values, 558 data points
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  • 5
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    Foraminifera species in the CO2 vents near Ischia, Italy, 2010
    PANGAEA
    In:  Supplement to: Dias, Bruna Borba; Hart, Malcom B; Smart, Christopher W; Hall-Spencer, Jason M (2010): Modern seawater acidification: the response of foraminifera to high-CO2 conditions in the Mediterranean Sea. Journal of the Geological Society, 167(5), 843-846, https://doi.org/10.1144/0016-76492010-050
    Details
    Publication Date: 2023-05-12
    Description: The seas around the island of Ischia (Italy) have a lowered pH as a result of volcanic gas vents that emit carbon dioxide from the sea floor at ambient seawater temperatures. These areas of acidified seawater provide natural laboratories in which to study the long-term biological response to rising CO2 levels. Benthic foraminifera (single-celled protists) are particularly interesting as they have short life histories, are environmentally sensitive and have an excellent fossil record. Here, we examine changes in foraminiferal assemblages along pH gradients at CO2 vents on the coast of Ischia and show that the foraminiferal distribution, diversity and nature of the fauna change markedly in the living assemblages as pH decreases.
    Keywords: EPOCA; European Project on Ocean Acidification; Identification; LATITUDE; LONGITUDE; Number of individuals; pH; Species; Visual observation
    Type: Dataset
    Format: text/tab-separated-values, 136 data points
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  • 6
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    Distribution of ostracoda in the lower Cretaceous succession of ODP Hole 80-549 (Figure 3) (1985)
    PANGAEA
    In:  Supplement to: Hart, Malcom B; Crittenden, S (1985): Early Cretaceous Ostracoda from the Goban Spur; D.S.D.P. Leg 80, Site 549. Cretaceous Research, 6(3), 219-233, https://doi.org/10.1016/0195-6671(85)90047-3
    Details
    Publication Date: 2023-07-10
    Description: Site 549 recovered a Lower Cretaceous succession which has been shown to include parts of the Barremian and Albian stages. Forty-four species of Ostracoda are illustrated and their stratigraphic distribution used to recognise three major facies units. An high diversity inner shelf facies earlier in the Barremian gives way to a low diversity, outer shelf facies, higher in the succession. The early Albian appears to indicate a return to an inner shelf fauna. The faunas recovered have been compared to similar faunas elsewhere in N. W. Europe.
    Keywords: 80-549; Acrocythere hauteriviana; Apatocythere spinosa; Asciocythere sp.; Bairdia sp.; Bythoceratina sp.; Bythoceratina tricuspidata; Cardobairdia sp.; Chapmanicythereis sp.; Clithrocytheridea brevis; Clithrocytheridea sp.; Cornicythereis sp. .; Cytherella sp.; Cytherelloidea ovata; Cytheropteron (Cytheropteron) pitstonensis; Cytheropteron (Eocytheropteron) novum; Cytheropteron sp.; Deep Sea Drilling Project; Dolocythera sp.; Dolocytheridea (Puracytheridea) sp.; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Ecytherura sp.; Eucytherura (Vesticytherura) neocomiana; Eucytherura ornata; Euryitycythere parisiorum; Glomar Challenger; Leg80; Mandocythere sp.; Neocythere sp.; North Atlantic/SPUR; Paracypris acuta; Paracypris sp.; Paranotacythere sp.; Pedicythere sp.; Peterygocytheresis sp.; Phodeucythere sp.; Protocythere triplicata; Rehacythereis sp.; Rehacytheresis sp.; Sample code/label; Schuleridea sp.; Stillina acuminata; Xestoleberis sp.
    Type: Dataset
    Format: text/tab-separated-values, 4410 data points
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  • 7
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    Stable oxygen and carbon isotope ratios for Early to Middle Cretaceous benthic and planktonic foraminifera of DSDP Hole 62-463 from the Mid Pacific Mountains (Table 1) (2002)
    PANGAEA
    In:  Supplement to: Price, Gregory D; Hart, Malcom B (2002): Isotopic evidence for Early to mid-Cretaceous ocean temperature variability. Marine Micropaleontology, 46(1-2), 45-58, https://doi.org/10.1016/S0377-8398(02)00043-9
    Details
    Publication Date: 2023-07-10
    Description: Stable isotopic measurements have been made on planktonic and benthic foraminifera of Early to mid-Cretaceous (Early Albian-Cenomanian) age from DSDP site 463 located in the Pacific Ocean. The degree of alteration of the foraminifera has been assessed through the application of scanning electron microscopy. The oxygen isotope data support the view that during the Cenomanian 'globigerine' foraminifera, such as the genus Hedbergella, inhabited near-surface waters, whilst the flattened, keeled, morphotypes lived deeper within the water column. The carbon isotope data reveal a more complex pattern as the delta13C values from planktonic species essentially show a large overlap, which is interpreted in terms of a weak delta13C gradient existing in the upper part of the ocean. In contrast, the oxygen isotope data from planktonic foraminifera from the Late Albian display no discernible depth stratification pattern and the delta13C data also show a large overlap of values indicative of a complete disruption of the upper part of the thermocline. A relatively low surface to bottom water temperature gradient within the Early-Middle Albian part of the succession may reflect a well-mixed ocean. Inferred cool ocean temperatures (and/or high salinities) for the Early Albian may reflect increased oceanic poleward heat transport. An increase in temperature (and/or decrease in salinity) in the Cenomanian suggests a reduction of the poleward heat flux, promoting the build-up of limited polar ice during this period of tropical warmth.
    Keywords: 62-463; Calculated from stable oxygen isotopes; Cyclocarya aschutassica; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Epoch; Gavelinella sp., δ13C; Glomar Challenger; Gyroidinoides sp., δ13C; Gyroidinoides sp., δ18O; Hedbergella delrioensis, δ13C; Hedbergella delrioensis, δ18O; Hedbergella sp., δ13C; Hedbergella sp., δ18O; Leg62; Mass spectrometer VG Prism Series II; North Pacific/SEAMOUNT; Osangularia sp., δ13C; Osangularia sp., δ18O; Planomalina buxtorfi, δ13C; Planomalina buxtorfi, δ18O; Praeglobotruncana stephani, δ13C; Praeglobotruncana stephani, δ18O; Rotalipora appenninica, δ13C; Rotalipora appenninica, δ18O; Rotalipora cushmani, δ13C; Rotalipora cushmani, δ18O; Rotalipora gandolfii, δ13C; Rotalipora gandolfii, δ18O; Rotalipora greenhornensis, δ13C; Rotalipora greenhornensis, δ18O; Rotalipora sp., δ13C; Rotalipora sp., δ18O; Rotalipora ticinensis, δ13C; Rotalipora ticinensis, δ18O; Sample code/label; Temperature, calculated; Ticinella sp., δ13C; Ticinella sp., δ18O
    Type: Dataset
    Format: text/tab-separated-values, 310 data points
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  • 8
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    (Table 1) Distribution of planktonic foraminifera in the Cretaceous succession of DSDP Hole 95-612 (1987)
    PANGAEA
    Details
    Publication Date: 2023-12-07
    Keywords: 95-612; Archaeoglobigerina cretacea; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Globigerinelloides aspera; Globigerinelloides multispinus; Globigerinelloides prairiehillensis; Globotruncana aegyptiaca; Globotruncana arca; Globotruncana bulloides; Globotruncana falsostuarti; Globotruncana insignis; Globotruncana linneiana; Globotruncana mariei; Globotruncana orientalis; Globotruncana rosetta; Globotruncana ventricosa; Globotruncanella havanensis; Globotruncanella petaloidea; Globotruncanita cf. angulata; Globotruncanita cf. calcarata; Globotruncanita stuartiformis; Globotruncanita subspinosa; Glomar Challenger; Hedbergella holmdelensis; Heterohelix striata; Leg95; North Atlantic/SLOPE; Planoglobulina multicamerata; Pseudotextularia elegans; Rosita fornicata; Rosita patelliformis; Rugoglobigerina milamensis; Rugoglobigerina pennyi; Rugoglobigerina rugosa; Sample code/label; Stage
    Type: Dataset
    Format: text/tab-separated-values, 402 data points
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  • 9
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    Cretaceous foraminifers from DSDP Hole 95-612 (1987)
    PANGAEA
    In:  Supplement to: Hart, Malcom B (1987): Cretaceous foraminifers from Deep Sea Drilling Project Site 612, Northwest Atlantic Ocean. In: Poag, CW; Watts, AB; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 95, 245-252, https://doi.org/10.2973/dsdp.proc.95.105.1987
    Details
    Publication Date: 2023-12-07
    Description: Site 612, located some 100 km southeast of Atlantic City in the northwest Atlantic Ocean, was cored to a total depth of 675.3 m below seafloor. The final 114.96 m recovered an Upper Cretaceous succession that can be assigned to the late Campanian and early Maestrichtian. The dark mudstones of Campanian age contain an impoverished fauna of planktonic foraminifers, while the paler, nannofossil chalks of Maestrichtian age contain a typically diverse planktonic fauna. The environment represented by the Campanian fauna indicates the presence of slightly anoxic water in the vicinity of the New Jersey Slope at that time.
    Keywords: 95-612; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Leg95; North Atlantic/SLOPE
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 10
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    Annotated record of the detailed examination of Mn deposits from DSDP Leg 95 (Holes 612 and 613) (1987)
    PANGAEA
    Details
    Publication Date: 2023-12-07
    Description: Baltimore Canyon Trough, the most intensely studied offshore sedimentary basin of the U.S. Atlantic margin, encompasses the coastal plain, continental shelf, and continental slope of New Jersey, Delaware, Maryland, and (in part) Virginia. On the basis of the extensive published record of the geological and geophysical investigations of this area, the New Jersey margin was chosen as the most suitable location for constructing the first marginwide stratigraphic transect. As envisioned, the transect would extend from the outcrop belt in central New Jersey to a location 700 km distant on the lower continental rise. Initial Deep Sea Drilling Project (DSDP) core holes on the slope and upper rise would emphasize the Cenozoic and Upper Cretaceous sections, as dictated by the limitations of openhole drilling. Leg 95 was principally intended to provide a crucial link between shelf and lower rise sites which had been cored along the transect during Leg 93.
    Keywords: 95-612; 95-613; Comment; Deep Sea Drilling Project; Deposit type; DEPTH, sediment/rock; Description; DRILL; Drilling/drill rig; DSDP; Event label; Glomar Challenger; Identification; Leg95; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; North Atlantic/CONT RISE; North Atlantic/SLOPE; Position; Quantity of deposit; Sample code/label; Sediment type; Visual description
    Type: Dataset
    Format: text/tab-separated-values, 48 data points
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