Matsui, Hiroki; Nishi, Hiroshi; Takashima, Reishi; Kuroyanagi, Azumi; Ikehara, Minoru; Takayanagi, Hideko; Iryu, Yasufumi (2020): Planktic foraminiferal δ¹⁸O and δ¹³C record from IODP Hole 320-U1334A [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.914376
Always quote citation above when using data! You can download the citation in several formats below.
Abstract:
Understanding planktic foraminiferal depth habitat along with consistent taxonomic concepts is key to accurate reconstruction of paleoceanographic records. The Oligocene‐Pliocene long‐ranging and widely distributed species Dentoglobigerina venezuelana lived in the mixed layer (shallower) during the early Oligocene, whereas the same species calcified at thermocline or subthermocline depths (deeper) during the late Oligocene and Miocene. The exact timing of the species' depth habitat change and its possible relationships with Oligocene climate dynamics remain unknown. Here we reveal isotopic records of D. venezuelana along with the Paragloborotalia siakensis group (a mixed‐layer dweller) by using sediments at Integrated Ocean Drilling Program Site U1334 in the eastern equatorial Pacific throughout the Oligocene. A two‐step depth habitat change of D. venezuelana is apparent: (1) from upper to lower mixed layer (~27.4 Ma) and (2) from lower mixed layer to thermocline depth (~26.3 Ma). In addition, the planktic foraminiferal faunal assemblage experienced a marked change from dominantly thermocline (deeper) species to abundant mixed‐layer (shallower) species, suggesting that depth habitat shifts of D. venezuelana were clearly related to thermocline deepening in the eastern equatorial Pacific. Comparison of the first isotopic shift (~27.4 Ma) at multiple sites (U1334, U1333, and 1218) revealed a southward depth habitat change of D. venezuelana within ~200 kyr, implying overall thermocline deepening with reduced steepness in the eastern equatorial Pacific. We consider that global warming conditions during the late Oligocene likely caused thermocline deepening with upwelling decrease in the eastern equatorial Pacific, guiding D. venezuelana to adapt to greater depths in the water column.
Supplement to:
Matsui, Hiroki; Nishi, Hiroshi; Takashima, Reishi; Kuroyanagi, Azumi; Ikehara, Minoru; Takayanagi, Hideko; Iryu, Yasufumi (2016): Changes in the depth habitat of the Oligocene planktic foraminifera (Dentoglobigerina venezuelana) induced by thermocline deepening in the eastern equatorial Pacific. Paleoceanography, 31(6), 715-731, https://doi.org/10.1002/2016PA002950
Further details:
Westerhold, Thomas; Röhl, Ursula; Wilkens, Roy H; Pälike, Heiko; Lyle, Mitchell W; Dunkley Jones, Tom; Bown, Paul R; Moore, Ted; Kamikuri, Shin-Ichi (2012): Revised composite depth scales and integration of IODP Sites U1331, U1332, U1333, U1334 and ODP Sites 1218, 1219, 1220. Proc. IODP: Tokyo (Integrated Ocean Drilling Program Management International, Inc.), 320/321, https://doi.org/10.2204/iodp.proc.320321.201.2012
Project(s):
Coverage:
Latitude: 7.999960 * Longitude: -131.973220
Minimum DEPTH, sediment/rock: 83.34 m * Maximum DEPTH, sediment/rock: 216.39 m
Event(s):
320-U1334A * Latitude: 7.999960 * Longitude: -131.973220 * Elevation: -4788.0 m * Recovery: 288.8 m * Campaign: Exp320 (Pacific Equatorial Age Transect I) * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 32 cores; 285.5 m cored; 101.2 % recovered; 0 m drilled; 285.5 m penetrated
Comment:
(1) = Analytical precisions are ±0.10‰ for δ¹⁸O and ±0.04‰ for δ¹³C, whereas blank indicates those are ±0.05‰ forδ¹⁸O and ±0.03‰ for δ¹³C.
Parameter(s):
# | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
---|---|---|---|---|---|---|
1 | Sample code/label | Sample label | Matsui, Hiroki | DSDP/ODP/IODP sample designation | ||
2 | DEPTH, sediment/rock | Depth sed | m | Matsui, Hiroki | Geocode – mbsf | |
3 | Depth, composite revised, adjusted | Depth adj rmcd | armcd | Matsui, Hiroki | Site U1334 (see T29 in Westerhold et al., 2012) | |
4 | Depth, composite revised, corrected | Depth corr cr | crmcd | Matsui, Hiroki | Site 1218 (see T29 in Westerhold et al., 2012) | |
5 | AGE | Age | ka BP | Matsui, Hiroki | Geocode | |
6 | Species | Species | Matsui, Hiroki | |||
7 | Size fraction | Size fraction | Matsui, Hiroki | |||
8 | δ13C | δ13C | ‰ PDB | Matsui, Hiroki | ||
9 | δ18O | δ18O | ‰ | Matsui, Hiroki | ||
10 | Sample comment | Sample comment | Matsui, Hiroki |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
918 data points
Data
1 Sample label | 2 Depth sed [m] | 3 Depth adj rmcd [armcd] | 4 Depth corr cr [crmcd] | 5 Age [ka BP] | 6 Species | 7 Size fraction | 8 δ13C [‰ PDB] | 9 δ18O [‰] | 10 Sample comment |
---|---|---|---|---|---|---|---|---|---|
320-U1334A-9H-6,113-115 | 83.34 | 94.56 | 89.82 | 22280 | Dentoglobigerina venezuelana | 355-425 µm | 1.92 | 1.12 | (1) |
320-U1334A-9H-6,113-115 | 83.34 | 94.56 | 89.82 | 22280 | Paragloborotalia siakensis group | 212-250 µm | 1.73 | 0.37 | (1) |
320-U1334A-10H-1,113-115 | 85.34 | 96.65 | 91.36 | 22450 | Dentoglobigerina venezuelana | 355-425 µm | 1.76 | 0.84 | (1) |
320-U1334A-10H-1,113-115 | 85.34 | 96.65 | 91.36 | 22450 | Paragloborotalia siakensis group | 212-250 µm | 1.64 | 0.01 | (1) |
320-U1334A-10H-2,41-43 | 86.12 | 97.43 | 91.89 | 22500 | Dentoglobigerina venezuelana | 355-425 µm | 1.85 | 0.78 | (1) |
320-U1334A-10H-2,41-43 | 86.12 | 97.43 | 91.89 | 22500 | Paragloborotalia siakensis group | 212-250 µm | 2.00 | 0.13 | (1) |
320-U1334A-10H-4,113-115 | 89.84 | 101.15 | 94.20 | 22840 | Dentoglobigerina venezuelana | 355-425 µm | 1.79 | 0.91 | (1) |
320-U1334A-10H-4,113-115 | 89.84 | 101.15 | 94.20 | 22840 | Paragloborotalia siakensis group | 212-250 µm | 1.82 | -0.03 | (1) |
320-U1334A-10H-5,41-43 | 90.62 | 101.93 | 94.75 | 22890 | Paragloborotalia siakensis group | 212-250 µm | 2.02 | -0.14 | (1) |
320-U1334A-10H-5,113-115 | 91.34 | 102.65 | 95.25 | 22940 | Dentoglobigerina venezuelana | 355-425 µm | 2.05 | 0.26 | (1) |
320-U1334A-10H-5,113-115 | 91.34 | 102.65 | 95.25 | 22940 | Paragloborotalia siakensis group | 212-250 µm | 1.97 | 0.10 | (1) |
320-U1334A-10H-6,41-43 | 92.12 | 103.43 | 95.82 | 23000 | Dentoglobigerina venezuelana | 355-425 µm | 2.04 | 0.43 | (1) |
320-U1334A-10H-6,41-43 | 92.12 | 103.43 | 95.82 | 23000 | Paragloborotalia siakensis group | 212-250 µm | 1.88 | 0.17 | (1) |
320-U1334A-10H-6,113-115 | 92.84 | 104.15 | 96.35 | 23040 | Dentoglobigerina venezuelana | 355-425 µm | 1.95 | 0.46 | (1) |
320-U1334A-10H-6,113-115 | 92.84 | 104.15 | 96.35 | 23040 | Paragloborotalia siakensis group | 212-250 µm | 2.06 | -0.08 | (1) |
320-U1334A-11H-1,113-115 | 94.84 | 107.76 | 98.94 | 23290 | Dentoglobigerina venezuelana | 355-425 µm | 1.29 | 1.21 | |
320-U1334A-11H-1,113-115 | 94.84 | 107.76 | 98.94 | 23290 | Paragloborotalia siakensis group | 212-250 µm | 1.35 | -0.20 | (1) |
320-U1334A-11H-2,41-43 | 95.62 | 108.54 | 99.54 | 23330 | Dentoglobigerina venezuelana | 355-425 µm | 1.25 | 0.86 | |
320-U1334A-11H-2,113-115 | 96.34 | 109.26 | 100.06 | 23380 | Dentoglobigerina venezuelana | 355-425 µm | 1.25 | 0.67 | |
320-U1334A-11H-4,115-117 | 99.36 | 112.28 | 102.21 | 23580 | Dentoglobigerina venezuelana | 355-425 µm | 1.48 | 1.01 | |
320-U1334A-11H-4,115-117 | 99.36 | 112.28 | 102.21 | 23580 | Paragloborotalia siakensis group | 212-250 µm | 1.56 | 0.06 | (1) |
320-U1334A-11H-5,38-40 | 100.09 | 113.01 | 102.81 | 23640 | Dentoglobigerina venezuelana | 355-425 µm | 1.26 | 1.35 | |
320-U1334A-11H-5,115-117 | 100.86 | 113.78 | 103.43 | 23690 | Dentoglobigerina venezuelana | 355-425 µm | 1.41 | 1.49 | |
320-U1334A-11H-5,115-117 | 100.86 | 113.78 | 103.43 | 23690 | Paragloborotalia siakensis group | 212-250 µm | 1.52 | -0.26 | (1) |
320-U1334A-11H-6,38-40 | 101.59 | 114.51 | 103.99 | 23750 | Dentoglobigerina venezuelana | 355-425 µm | 1.06 | 0.96 | |
320-U1334A-12H-2,115-117 | 105.86 | 120.01 | 107.57 | 24100 | Dentoglobigerina venezuelana | 355-425 µm | 0.75 | 0.72 | |
320-U1334A-12H-2,115-117 | 105.86 | 120.01 | 107.57 | 24100 | Paragloborotalia siakensis group | 212-250 µm | 0.93 | -0.27 | (1) |
320-U1334A-12H-3,115-117 | 107.36 | 121.51 | 108.66 | 24200 | Dentoglobigerina venezuelana | 355-425 µm | 0.69 | 0.78 | |
320-U1334A-13H-2,115-117 | 114.36 | 129.80 | 114.91 | 24720 | Dentoglobigerina venezuelana | 355-425 µm | 0.74 | 0.62 | |
320-U1334A-13H-2,115-117 | 114.36 | 129.80 | 114.91 | 24720 | Paragloborotalia siakensis group | 212-250 µm | 1.02 | -0.26 | (1) |
320-U1334A-13H-3,38-40 | 115.09 | 130.53 | 115.53 | 24770 | Dentoglobigerina venezuelana | 355-425 µm | 0.82 | 0.23 | |
320-U1334A-13H-3,38-40 | 115.09 | 130.53 | 115.53 | 24770 | Paragloborotalia siakensis group | 212-250 µm | 1.05 | -0.57 | (1) |
320-U1334A-13H-3,115-117 | 115.86 | 131.30 | 116.13 | 24840 | Dentoglobigerina venezuelana | 355-425 µm | 0.75 | 0.96 | |
320-U1334A-13H-3,115-117 | 115.86 | 131.30 | 116.13 | 24840 | Paragloborotalia siakensis group | 212-250 µm | 1.04 | -0.34 | (1) |
320-U1334A-13H-6,38-40 | 119.59 | 135.03 | 119.26 | 25100 | Paragloborotalia siakensis group | 212-250 µm | 1.03 | -0.21 | |
320-U1334A-13H-6,115-117 | 120.36 | 135.80 | 119.93 | 25140 | Dentoglobigerina venezuelana | 355-425 µm | 0.85 | 0.87 | (1) |
320-U1334A-13H-6,115-117 | 120.36 | 135.80 | 119.93 | 25140 | Paragloborotalia siakensis group | 212-250 µm | 1.07 | -0.24 | (1) |
320-U1334A-14H-2,115-117 | 124.86 | 141.79 | 124.68 | 25510 | Dentoglobigerina venezuelana | 355-425 µm | 1.09 | 1.08 | (1) |
320-U1334A-14H-3,38-40 | 125.59 | 142.52 | 125.38 | 25570 | Dentoglobigerina venezuelana | 355-425 µm | 1.03 | 1.06 | |
320-U1334A-14H-3,115-117 | 126.36 | 143.29 | 126.14 | 25630 | Paragloborotalia siakensis group | 180-250 µm | 0.92 | 0.06 | |
320-U1334A-14H-6,38-40 | 130.09 | 147.02 | 129.28 | 25870 | Paragloborotalia siakensis group | 180-250 µm | 0.76 | 0.64 | |
320-U1334A-15H-1,115-117 | 132.86 | 151.72 | 132.38 | 26120 | Paragloborotalia siakensis group | 180-250 µm | 0.91 | 0.12 | |
320-U1334A-15H-2,115-117 | 134.36 | 153.22 | 133.42 | 26190 | Paragloborotalia siakensis group | 180-250 µm | 0.73 | 0.39 | |
320-U1334A-15H-4,38-40 | 136.59 | 155.45 | 134.63 | 26290 | Dentoglobigerina venezuelana | 355-425 µm | 1.01 | 0.69 | |
320-U1334A-15H-4,115-117 | 137.36 | 156.22 | 134.99 | 26320 | Dentoglobigerina venezuelana | 355-425 µm | 1.10 | 0.33 | (1) |
320-U1334A-15H-5,38-40 | 138.09 | 156.95 | 135.31 | 26350 | Dentoglobigerina venezuelana | 355-425 µm | 0.57 | 0.28 | (1) |
320-U1334A-15H-6,115-117 | 140.36 | 159.22 | 137.95 | 26530 | Dentoglobigerina venezuelana | 355-425 µm | 1.12 | 0.24 | (1) |
320-U1334A-15H-6,115-117 | 140.36 | 159.22 | 137.95 | 26530 | Paragloborotalia siakensis group | 212-250 µm | 0.91 | 0.29 | (1) |
320-U1334A-16H-1,38-40 | 141.59 | 162.15 | 139.97 | 26660 | Dentoglobigerina venezuelana | 355-425 µm | 0.82 | 0.67 | |
320-U1334A-16H-1,115-117 | 142.36 | 162.92 | 140.52 | 26700 | Dentoglobigerina venezuelana | 355-425 µm | 1.41 | 0.68 | (1) |
320-U1334A-16H-1,115-117 | 142.36 | 162.92 | 140.52 | 26700 | Paragloborotalia siakensis group | 212-250 µm | 1.49 | 0.45 | (1) |
320-U1334A-16H-3,38-40 | 144.59 | 165.15 | 142.30 | 26810 | Dentoglobigerina venezuelana | 355-425 µm | 1.35 | 0.03 | (1) |
320-U1334A-16H-3,38-40 | 144.59 | 165.15 | 142.30 | 26810 | Paragloborotalia siakensis group | 212-250 µm | 1.45 | 0.36 | (1) |
320-U1334A-16H-3,115-117 | 145.36 | 165.92 | 142.92 | 26850 | Dentoglobigerina venezuelana | 355-425 µm | 0.97 | 0.31 | (1) |
320-U1334A-16H-3,115-117 | 145.36 | 165.92 | 142.92 | 26850 | Paragloborotalia siakensis group | 212-250 µm | 0.89 | 0.17 | (1) |
320-U1334A-16H-4,38-40 | 146.09 | 166.65 | 143.50 | 26890 | Dentoglobigerina venezuelana | 355-425 µm | 0.98 | 0.32 | (1) |
320-U1334A-16H-4,38-40 | 146.09 | 166.65 | 143.50 | 26890 | Paragloborotalia siakensis group | 212-250 µm | 0.88 | 0.73 | (1) |
320-U1334A-16H-4,115-117 | 146.86 | 167.42 | 144.09 | 26930 | Dentoglobigerina venezuelana | 355-425 µm | 1.23 | 0.58 | (1) |
320-U1334A-16H-4,115-117 | 146.86 | 167.42 | 144.09 | 26930 | Paragloborotalia siakensis group | 212-250 µm | 1.32 | 0.32 | (1) |
320-U1334A-16H-5,38-40 | 147.59 | 168.15 | 144.65 | 26960 | Dentoglobigerina venezuelana | 355-425 µm | 0.92 | 0.36 | (1) |
320-U1334A-16H-5,38-40 | 147.59 | 168.15 | 144.65 | 26960 | Paragloborotalia siakensis group | 212-250 µm | 0.99 | 0.64 | (1) |
320-U1334A-16H-5,115-117 | 148.36 | 168.92 | 145.24 | 27000 | Dentoglobigerina venezuelana | 355-425 µm | 0.77 | 0.02 | (1) |
320-U1334A-16H-5,115-117 | 148.36 | 168.92 | 145.24 | 27000 | Paragloborotalia siakensis group | 212-250 µm | 0.74 | 0.26 | (1) |
320-U1334A-16H-6,38-40 | 149.09 | 169.65 | 145.78 | 27040 | Paragloborotalia siakensis group | 212-250 µm | 1.01 | 0.57 | |
320-U1334A-17H-1,38-40 | 151.09 | 174.31 | 149.15 | 27250 | Dentoglobigerina venezuelana | 355-425 µm | 0.69 | 0.43 | |
320-U1334A-17H-1,38-40 | 151.09 | 174.31 | 149.15 | 27250 | Paragloborotalia nana | 212-250 µm | 0.44 | 0.64 | |
320-U1334A-17H-1,38-40 | 151.09 | 174.31 | 149.15 | 27250 | Paragloborotalia siakensis group | 212-250 µm | 0.63 | 0.39 | |
320-U1334A-17H-1,115-117 | 151.86 | 175.08 | 149.74 | 27290 | Dentoglobigerina venezuelana | 355-425 µm | 0.62 | 0.42 | |
320-U1334A-17H-1,115-117 | 151.86 | 175.08 | 149.74 | 27290 | Paragloborotalia siakensis group | 212-250 µm | 0.65 | 0.42 | |
320-U1334A-17H-2,38-40 | 152.59 | 175.81 | 150.30 | 27330 | Dentoglobigerina venezuelana | 355-425 µm | 0.73 | 0.85 | |
320-U1334A-17H-2,38-40 | 152.59 | 175.81 | 150.30 | 27330 | Paragloborotalia nana | 212-250 µm | 0.62 | 0.92 | |
320-U1334A-17H-2,38-40 | 152.59 | 175.81 | 150.30 | 27330 | Paragloborotalia siakensis group | 212-250 µm | 0.81 | 0.59 | |
320-U1334A-17H-2,115-117 | 153.36 | 176.58 | 150.88 | 27360 | Dentoglobigerina venezuelana | 355-425 µm | 0.61 | 0.75 | |
320-U1334A-17H-2,115-117 | 153.36 | 176.58 | 150.88 | 27360 | Paragloborotalia nana | 212-250 µm | 0.15 | 0.78 | |
320-U1334A-17H-2,115-117 | 153.36 | 176.58 | 150.88 | 27360 | Paragloborotalia siakensis group | 212-250 µm | 0.45 | 0.09 | |
320-U1334A-17H-3,38-40 | 154.09 | 177.31 | 151.44 | 27400 | Paragloborotalia siakensis group | 212-250 µm | 0.28 | 0.41 | |
320-U1334A-17H-3,115-117 | 154.86 | 178.08 | 152.04 | 27450 | Dentoglobigerina venezuelana | 355-425 µm | 0.88 | 0.07 | |
320-U1334A-17H-3,115-117 | 154.86 | 178.08 | 152.04 | 27450 | Paragloborotalia siakensis group | 212-250 µm | 0.76 | 0.55 | |
320-U1334A-17H-4,115-117 | 156.36 | 179.58 | 153.24 | 27540 | Paragloborotalia siakensis group | 212-250 µm | 0.89 | 0.43 | |
320-U1334A-17H-5,38-40 | 156.90 | 180.12 | 153.67 | 27570 | Dentoglobigerina venezuelana | 355-425 µm | 0.79 | -0.08 | |
320-U1334A-17H-5,38-40 | 156.90 | 180.12 | 153.67 | 27570 | Paragloborotalia siakensis group | 212-250 µm | 0.55 | 0.35 | |
320-U1334A-17H-5,115-117 | 157.67 | 180.89 | 154.30 | 27620 | Catapsydrax dissimilis | 355-425 µm | 0.66 | 1.59 | |
320-U1334A-17H-5,115-117 | 157.67 | 180.89 | 154.30 | 27620 | Dentoglobigerina venezuelana | 355-425 µm | 0.89 | 0.01 | |
320-U1334A-17H-5,115-117 | 157.67 | 180.89 | 154.30 | 27620 | Paragloborotalia nana | 212-250 µm | 0.78 | 0.95 | |
320-U1334A-17H-5,115-117 | 157.67 | 180.89 | 154.30 | 27620 | Paragloborotalia opima | 355-425 µm | 1.00 | 0.73 | |
320-U1334A-17H-5,115-117 | 157.67 | 180.89 | 154.30 | 27620 | Paragloborotalia siakensis group | 212-250 µm | 0.89 | 0.26 | |
320-U1334A-17H-6,38-40 | 158.30 | 181.52 | 154.81 | 27660 | Dentoglobigerina venezuelana | 355-425 µm | 0.98 | -0.06 | |
320-U1334A-17H-6,38-40 | 158.30 | 181.52 | 154.81 | 27660 | Paragloborotalia siakensis group | 212-250 µm | 0.74 | 0.31 | |
320-U1334A-18H-2,115-117 | 162.86 | 186.96 | 159.04 | 27970 | Dentoglobigerina venezuelana | 355-425 µm | 0.86 | -0.24 | |
320-U1334A-18H-2,115-117 | 162.86 | 186.96 | 159.04 | 27970 | Paragloborotalia siakensis group | 212-250 µm | 0.81 | 0.60 | |
320-U1334A-18H-3,38-40 | 163.59 | 187.69 | 159.55 | 28010 | Dentoglobigerina venezuelana | 355-425 µm | 1.03 | -0.06 | |
320-U1334A-18H-3,38-40 | 163.59 | 187.69 | 159.55 | 28010 | Paragloborotalia siakensis group | 212-250 µm | 0.80 | 0.39 | |
320-U1334A-18H-3,115-117 | 164.36 | 188.46 | 160.10 | 28050 | Catapsydrax dissimilis | 355-425 µm | 0.50 | 1.88 | |
320-U1334A-18H-3,115-117 | 164.36 | 188.46 | 160.10 | 28050 | Dentoglobigerina venezuelana | 355-425 µm | 0.83 | 0.49 | |
320-U1334A-18H-3,115-117 | 164.36 | 188.46 | 160.10 | 28050 | Paragloborotalia opima | 355-425 µm | 0.86 | 1.01 | |
320-U1334A-18H-3,115-117 | 164.36 | 188.46 | 160.10 | 28050 | Paragloborotalia siakensis group | 212-250 µm | 0.68 | 0.44 | |
320-U1334A-18H-4,38-40 | 165.09 | 189.19 | 160.62 | 28080 | Dentoglobigerina venezuelana | 355-425 µm | 0.57 | 0.91 | |
320-U1334A-18H-4,38-40 | 165.09 | 189.19 | 160.62 | 28080 | Paragloborotalia siakensis group | 212-250 µm | 0.70 | 0.17 | |
320-U1334A-18H-4,115-117 | 165.86 | 189.96 | 161.16 | 28110 | Dentoglobigerina venezuelana | 355-425 µm | 0.56 | 0.12 | |
320-U1334A-18H-4,115-117 | 165.86 | 189.96 | 161.16 | 28110 | Paragloborotalia siakensis group | 212-250 µm | 0.57 | 0.22 | |
320-U1334A-18H-5,38-40 | 166.59 | 190.69 | 161.64 | 28140 | Paragloborotalia siakensis group | 212-250 µm | 0.61 | 0.19 | |
320-U1334A-18H-6,38-40 | 168.09 | 192.19 | 162.72 | 28210 | Dentoglobigerina venezuelana | 355-425 µm | 0.52 | 0.28 | |
320-U1334A-19H-1,38-40 | 170.09 | 196.51 | 166.01 | 28430 | Dentoglobigerina venezuelana | 355-425 µm | 0.82 | 0.11 | |
320-U1334A-19H-1,115-117 | 170.86 | 197.28 | 166.62 | 28470 | Dentoglobigerina venezuelana | 355-425 µm | 0.91 | -0.28 | |
320-U1334A-19H-1,115-117 | 170.86 | 197.28 | 166.62 | 28470 | Paragloborotalia siakensis group | 212-250 µm | 0.78 | 0.15 | |
320-U1334A-19H-2,115-117 | 172.28 | 198.70 | 167.70 | 28540 | Dentoglobigerina venezuelana | 355-425 µm | 0.52 | -0.42 | |
320-U1334A-19H-2,115-117 | 172.28 | 198.70 | 167.70 | 28540 | Paragloborotalia siakensis group | 212-250 µm | 0.30 | 0.82 | |
320-U1334A-19H-4,115-117 | 175.28 | 201.70 | 169.83 | 28670 | Dentoglobigerina venezuelana | 355-425 µm | 0.80 | -0.39 | |
320-U1334A-19H-4,115-117 | 175.28 | 201.70 | 169.83 | 28670 | Paragloborotalia siakensis group | 212-250 µm | 0.60 | 0.61 | |
320-U1334A-19H-5,38-40 | 176.01 | 202.43 | 170.34 | 28700 | Catapsydrax dissimilis | 355-425 µm | 0.25 | 1.56 | |
320-U1334A-19H-5,38-40 | 176.01 | 202.43 | 170.34 | 28700 | Dentoglobigerina sellii | 355-425 µm | 0.49 | 1.17 | |
320-U1334A-19H-5,38-40 | 176.01 | 202.43 | 170.34 | 28700 | Dentoglobigerina tripartita | 355-425 µm | 0.41 | 1.01 | |
320-U1334A-19H-5,38-40 | 176.01 | 202.43 | 170.34 | 28700 | Dentoglobigerina venezuelana | 355-425 µm | 0.65 | -0.33 | |
320-U1334A-19H-5,38-40 | 176.01 | 202.43 | 170.34 | 28700 | Paragloborotalia nana | 212-250 µm | 0.21 | 0.94 | |
320-U1334A-19H-5,38-40 | 176.01 | 202.43 | 170.34 | 28700 | Paragloborotalia siakensis group | 212-250 µm | 0.22 | 0.77 | |
320-U1334A-20H-1,38-40 | 179.59 | 220.05 | 184.48 | 29480 | Dentoglobigerina venezuelana | 355-425 µm | 0.86 | -0.08 | |
320-U1334A-20H-4,38-40 | 184.09 | 224.55 | 187.10 | 29690 | Dentoglobigerina venezuelana | 355-425 µm | 0.61 | 0.27 | |
320-U1334A-20H-5,115-117 | 186.36 | 226.82 | 188.35 | 29800 | Dentoglobigerina venezuelana | 355-425 µm | 0.60 | 0.24 | |
320-U1334A-20H-6,38-40 | 187.09 | 227.55 | 188.76 | 29840 | Dentoglobigerina venezuelana | 355-425 µm | 0.79 | -0.39 | |
320-U1334A-21H-4,115-117 | 194.36 | 235.52 | 193.71 | 30220 | Dentoglobigerina venezuelana | 355-425 µm | 0.72 | -0.16 | |
320-U1334A-21H-5,38-40 | 195.09 | 236.25 | 194.18 | 30250 | Dentoglobigerina venezuelana | 355-425 µm | 0.82 | -0.13 | |
320-U1334A-21H-5,115-117 | 195.86 | 237.02 | 194.69 | 30290 | Dentoglobigerina venezuelana | 355-425 µm | 0.87 | -0.32 | |
320-U1334A-23X-5,38-40 | 213.29 | 258.01 | 208.15 | 31350 | Dentoglobigerina venezuelana | 355-425 µm | 1.13 | -0.11 | |
320-U1334A-23X-6,115-117 | 215.56 | 260.28 | 210.18 | 31490 | Dentoglobigerina venezuelana | 355-425 µm | 1.27 | -0.14 | |
320-U1334A-24X-2,38-40 | 216.39 | 264.09 | 212.87 | 31700 | Dentoglobigerina venezuelana | 355-425 µm | 1.32 | -0.30 |