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Lebreiro, Susana Martin; Antón López, Laura; Reguera, Maria Isabel (2024): Sortable silt of sediment cores GC-01A from Gulf of Cadiz [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.966839, In: Lebreiro, SM et al. (2024): Analysis of sediment cores GC-01A taken during the CONTOURIBER-1 expedition in Gulf of Cadiz [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.967183

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Abstract:
For sortable-silt 83 samples were analysed in the fraction <63 micron. In these, organic matter was eliminated with 33% of hydrogen peroxide (H2O2) and carbonates removed with 0.2N hydrogen chloride (HCl). Then, samples were dispersed with 0.5% Na-hexametaphosphate (Calgon) and ultra-sonicated for 2 minutes. Prior to grain-size analysis in a Sedigraph Micromeritics III Plus, samples were homogenised by stirring in a magnetic plate for 30 minutes. The grain-size distribution was acquired in the interval 10-63 micron, assumed to have non-cohesive behaviour during transport and deposition (McCave et al., 1995), at the IGME. The sortable silt mean of the carbonate-free 10-63 micron interval is designated as SS (McCave et al., 1995). The percentage of sortable silt (SS%), i.e. % (10-63 micron)/<63 micron, is also a key parameter obtained from Sedigraph analyses. Dry-density required for the grain size distribution calculation was measured by using a pycnometer Micromeritics Accupy 1330.
Keyword(s):
contourites; Gulf of Cadiz; Heinrich Event 1; Mediterranean outflow; MOW; sortable silt; SST (foraminifera); stable oxygen and carbon isotopes; Younger Dryas
Related to:
Lebreiro, Susana Martin; Antón López, Laura; Reguera, Maria Isabel; Marzocchi, Alice (2018): Paleoceanographic and climatic implications of a new Mediterranean Outflow branch in the southern Gulf of Cadiz. Quaternary Science Reviews, 197, 92-111, https://doi.org/10.1016/j.quascirev.2018.07.036
References:
McCave, I Nick; Manighetti, Barbara; Robinson, Simon G (1995): Sortable silt and fine sediment size/ composition slicing: parameters for palaeocurrent speed and palaeoceanography. Paleoceanography, 10, 593-610, https://doi.org/10.1029/94PA03039
Coverage:
Latitude: 36.710430 * Longitude: -7.745290
Minimum DEPTH, sediment/rock: 0.010 m * Maximum DEPTH, sediment/rock: 5.191 m
Event(s):
GC-01A-PC  * Latitude: 36.710430 * Longitude: -7.745290 * Elevation: -566.0 m * Recovery: 5.21 m * Campaign: CONTOURIBER-1 * Basis: Sarmiento de Gamboa * Method/Device: Gravity corer (GC) * Comment: site equivalent to IODP site U1386
GC-01A-TC  * Latitude: 36.710430 * Longitude: -7.745290 * Elevation: -566.0 m * Recovery: 0.90 m * Campaign: CONTOURIBER-1 * Basis: Sarmiento de Gamboa * Method/Device: Trigger corer (TC) * Comment: site equivalent to IODP site U1386
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Event labelEventLebreiro, Susana Martin
2 SectionSectLebreiro, Susana Martin
3 DEPTH, sediment/rockDepth sedmLebreiro, Susana MartinGeocode – Depth in core
4 Depth, relativeDepth relmLebreiro, Susana MartinDepth in section
5 Depth, top/minDepth topmLebreiro, Susana MartinDepth in section
6 Depth, bottom/maxDepth botmLebreiro, Susana MartinDepth in section
7 AGEAgeka BPLebreiro, Susana MartinGeocode
8 Size fraction 0.016-0.010 mm16-10 µm%Lebreiro, Susana MartinMicromeritics Sedigraph III 5120 X-ray absorption sedimentation analyzerfines (medium silt)
9 Size fraction 0.031-0.016 mm31-16 µm%Lebreiro, Susana MartinMicromeritics Sedigraph III 5120 X-ray absorption sedimentation analyzerfines (coarse silt)
10 Size fraction 0.063-0.031 mm63-31 µm%Lebreiro, Susana MartinMicromeritics Sedigraph III 5120 X-ray absorption sedimentation analyzerfines (very coarse silt)
11 Size fraction 0.063-0.010 mm, sortable silt63-10 µm sort silt%Lebreiro, Susana MartinMicromeritics Sedigraph III 5120 X-ray absorption sedimentation analyzerpelagics
12 Size fraction 0.063-0.010 mm, sortable silt63-10 µm sort silt%Lebreiro, Susana MartinMicromeritics Sedigraph III 5120 X-ray absorption sedimentation analyzercontourites
13 Size fraction 0.063-0.010 mm, sortable silt63-10 µm sort silt%Lebreiro, Susana MartinMicromeritics Sedigraph III 5120 X-ray absorption sedimentation analyzermean, carb-free
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
591 data points

Data

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

1 
Event		2 
Sect		3 
Depth sed [m]
(Depth in core)		4 
Depth rel [m]
(Depth in section)		5 
Depth top [m]
(Depth in section)		6 
Depth bot [m]
(Depth in section)		7 
Age [ka BP]		8 
16-10 µm [%]
(fines (medium silt))		9 
31-16 µm [%]
(fines (coarse silt))		10 
63-31 µm [%]
(fines (very coarse silt))		11 
63-10 µm sort silt [%]
(pelagics)		12 
63-10 µm sort silt [%]
(contourites)		13 
63-10 µm sort silt [%]
(mean, carb-free)
GC-01A-TC TC0.0100.0100.844.75.49.619.724.6
GC-01A-TCTC0.0400.0401.075.39.216.330.826.3
GC-01A-TCTC0.0800.0801.385.09.817.232.027.9
GC-01A-TCTC0.1600.1602.014.810.018.233.026.8
GC-01A-TCTC0.2400.2402.635.510.219.735.428.5
GC-01A-TCTC0.3200.3203.265.011.115.031.126.5
GC-01A-TCTC0.4000.4003.886.514.415.836.724.5
GC-01A-TCTC0.4000.4003.888.215.615.839.623.9
GC-01A-TCTC0.4800.4804.515.513.012.030.524.5
GC-01A-TCTC0.5600.5605.135.612.49.227.222.1
GC-01A-TCTC0.6400.6405.766.213.813.333.325.0
GC-01A-TCTC0.7200.7206.387.214.011.732.923.1
GC-01A-TCTC0.8000.8007.015.08.24.417.619.3
GC-01A-TCTC0.8700.8707.5610.79.64.725.014.5
GC-01A-PC section 10.0250.0250.0150.0359.444.710.615.831.127.1
GC-01A-PCsection 10.0900.0909.834.69.72.817.117.5
GC-01A-PCsection 10.1700.17010.255.22.60.28.08.3
GC-01A-PCsection 10.2400.24010.628.68.62.219.410.9
GC-01A-PCsection 10.3300.33011.0914.615.01.531.111.4
GC-01A-PCsection 10.4000.40011.3936.313.54.554.312.4
GC-01A-PCsection 10.4700.47011.6847.221.914.583.683.619.0
GC-01A-PCsection 10.5600.56012.0614.617.113.845.522.7
GC-01A-PCsection 10.6300.63012.3624.525.634.184.227.3
GC-01A-PCsection 10.7000.70012.6516.430.634.381.327.1
GC-01A-PCsection 10.7700.77012.9541.021.425.187.522.1
GC-01A-PCsection 10.8100.81013.125.819.433.358.531.4
GC-01A-PCsection 10.9000.90013.4932.531.918.082.419.8
GC-01A-PCsection 20.9300.93013.6237.915.52.355.755.712.2
GC-01A-PCsection 21.0350.02014.0116.016.51.934.412.3
GC-01A-PCsection 21.1250.10014.357.58.8-0.216.19.5
GC-01A-PCsection 21.1920.18014.6124.815.5-0.140.212.5
GC-01A-PCsection 21.2720.26014.918.813.14.326.218.3
GC-01A-PCsection 21.3520.34015.227.36.82.616.714.7
GC-01A-PCsection 21.4220.40015.487.410.73.221.315.7
GC-01A-PCsection 21.4320.42015.529.111.02.522.616.3
GC-01A-PCsection 21.4920.48015.7410.08.0-1.716.39.7
GC-01A-PCsection 21.5720.56016.057.211.18.426.721.0
GC-01A-PCsection 21.6920.68016.507.423.320.050.725.8
GC-01A-PCsection 21.7720.75016.808.325.121.154.526.3
GC-01A-PCsection 21.8820.87017.228.713.14.826.619.0
GC-01A-PCsection 31.9620.95017.349.65.51.816.99.0
GC-01A-PCsection 32.0470.03017.479.612.61.023.216.3
GC-01A-PCsection 32.1270.11017.597.70.01.49.18.1
GC-01A-PCsection 32.2270.20017.746.75.30.612.613.4
GC-01A-PCsection 32.2870.27017.831.61.91.44.99.1
GC-01A-PCsection 32.3670.35017.956.04.61.512.115.6
GC-01A-PCsection 32.4470.43018.074.60.5-1.04.17.8
GC-01A-PCsection 32.5470.52018.227.97.3-0.614.68.5
GC-01A-PCsection 32.6070.59018.319.33.71.114.110.1
GC-01A-PCsection 32.6870.67018.436.76.2-0.212.78.0
GC-01A-PCsection 32.7670.75018.5513.15.5-0.418.210.9
GC-01A-PCsection 32.8470.83018.679.55.4-0.214.710.7
GC-01A-PCsection 42.9270.91018.799.45.5-0.214.710.5
GC-01A-PCsection 43.0280.01018.9429.98.8-0.238.513.3
GC-01A-PCsection 43.1080.09019.0616.27.0-0.322.911.8
GC-01A-PCsection 43.1980.18019.1918.26.9-0.524.611.8
GC-01A-PCsection 43.2780.26019.3127.98.7-2.634.012.4
GC-01A-PCsection 43.3680.34019.4420.44.0-0.523.913.1
GC-01A-PCsection 43.4380.42019.5410.22.7-0.712.211.1
GC-01A-PCsection 43.5180.50019.662.80.70.23.78.2
GC-01A-PCsection 43.6080.59019.792.92.1-0.44.69.5
GC-01A-PCsection 43.6880.67019.9117.43.6-0.620.412.6
GC-01A-PCsection 43.7680.75020.0214.64.4-0.418.612.5
GC-01A-PCsection 43.8480.83020.1418.03.8-0.321.513.2
GC-01A-PCsection 43.9380.91020.279.43.1-0.811.710.2
GC-01A-PCsection 44.0080.99020.385.12.5-0.47.210.5
GC-01A-PCsection 54.0881.07020.4916.84.3-0.320.814.0
GC-01A-PCsection 54.1310.01020.5621.23.0-1.722.512.9
GC-01A-PCsection 54.1710.04020.6118.62.3-1.419.512.1
GC-01A-PCsection 54.2310.11020.706.11.8-0.57.410.5
GC-01A-PCsection 54.3010.18020.8113.21.6-0.714.111.3
GC-01A-PCsection 54.3810.26020.923.51.2-0.54.29.6
GC-01A-PCsection 54.4610.34021.048.58.42.319.215.6
GC-01A-PCsection 54.5410.42021.163.74.50.48.614.9
GC-01A-PCsection 54.6210.50021.273.83.11.07.914.9
GC-01A-PCsection 54.7410.61021.452.82.70.45.914.5
GC-01A-PCsection 54.8010.68021.543.94.70.89.415.7
GC-01A-PCsection 54.8610.74021.634.23.91.39.416.9
GC-01A-PCsection 54.9410.82021.742.94.51.18.516.9
GC-01A-PCsection 55.1110.9880.9830.99321.9910.313.03.727.017.4
GC-01A-PCsection 55.1211.0030.9981.00822.019.411.73.324.417.0
GC-01A-PCsection 55.1311.0181.0131.02322.028.813.04.226.017.9
GC-01A-PCsection 55.1911.07022.1114.413.11.328.810.5