Bralower, Timothy J; Fullagar, Paul D; Paull, Charles K; Dwyer, Gary S; Leckie, R Mark (1997): Depth, age, strontium isotopic ratios and trace elemental ratios of samples from DSDP Hole 52-418B [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.717813, In supplement to: Bralower, TJ et al. (1997): Mid-Cretaceous strontium-isotope stratigraphy of deep-sea sections. Geological Society of America Bulletin, 109(11), 1421-1442, https://doi.org/10.1130/0016-7606(1997)109%3C1421:MCSISO%3E2.3.CO;2
Always quote citation above when using data! You can download the citation in several formats below.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Latitude: 25.034700 * Longitude: -68.057500
Date/Time Start: 1977-02-10T00:00:00 * Date/Time End: 1977-02-10T00:00:00
Minimum DEPTH, sediment/rock: 256.07 m * Maximum DEPTH, sediment/rock: 302.09 m
Event(s):
52-418B * Latitude: 25.034700 * Longitude: -68.057500 * Date/Time: 1977-02-10T00:00:00 * Elevation: -5514.0 m * Penetration: 330 m * Recovery: 173 m * Location: North Atlantic/CONT RISE * Campaign: Leg52 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: OBJECTIVE REACHED
Comment:
Please note, that on 2017-06-09 it was discovered that the age values were given as "ka" alhough the values were "Ma". The data are now recalculated (x1000) to fit the unit.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 2 | AGE | Age | ka BP | Geocode | ||
| 3 | Sample code/label | Sample label | Bralower, Timothy J | DSDP/ODP/IODP sample designation | ||
| 4 | Preservation | Preserv | Bralower, Timothy J | degree of overgrowth of foraminifers | ||
| 5 | Preservation | Preserv | Bralower, Timothy J | degree of infilling of foraminifers | ||
| 6 | Strontium-87/Strontium-86 ratio | 87Sr/86Sr | Bralower, Timothy J | Mass spectrometer VG Sector 54 | in foraminifers | |
| 7 | Strontium-87/Strontium-86 ratio, error | 87Sr/86Sr e | ± | Bralower, Timothy J | Calculated | in foraminifers |
| 8 | Magnesium/Calcium ratio | Mg/Ca | mmol/mol | Bralower, Timothy J | Direct current plasma emission spectrometry (DCP) | in foraminifers |
| 9 | Strontium/Calcium ratio | Sr/Ca | mmol/mol | Bralower, Timothy J | Direct current plasma emission spectrometry (DCP) | in foraminifers |
| 10 | Sodium/Calcium ratio | Na/Ca | mmol/mol | Bralower, Timothy J | Direct current plasma emission spectrometry (DCP) | in foraminifers |
| 11 | Iron/Calcium ratio | Fe/Ca | mmol/mol | Bralower, Timothy J | Direct current plasma emission spectrometry (DCP) | in foraminifers |
| 12 | Manganese/Calcium ratio | Mn/Ca | mmol/mol | Bralower, Timothy J | Direct current plasma emission spectrometry (DCP) | in foraminifers |
| 13 | Barium/Calcium ratio | Ba/Ca | µmol/mol | Bralower, Timothy J | Direct current plasma emission spectrometry (DCP) | in foraminifers |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
49 data points
Data
| 1 Depth sed [m] | 2 Age [ka BP] | 3 Sample label (DSDP/ODP/IODP sample designation) | 4 Preserv (degree of overgrowth of foram...) | 5 Preserv (degree of infilling of forami...) | 6 87Sr/86Sr (in foraminifers, Mass spectro...) | 7 87Sr/86Sr e [±] (in foraminifers, Calculated) | 8 Mg/Ca [mmol/mol] (in foraminifers, Direct curre...) | 9 Sr/Ca [mmol/mol] (in foraminifers, Direct curre...) | 10 Na/Ca [mmol/mol] (in foraminifers, Direct curre...) | 11 Fe/Ca [mmol/mol] (in foraminifers, Direct curre...) | 12 Mn/Ca [mmol/mol] (in foraminifers, Direct curre...) | 13 Ba/Ca [µmol/mol] (in foraminifers, Direct curre...) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 256.07 | 101910 | 52-418B-28-2,117-120 | slight | none | 0.707466 | 0.0007 | 6.67 | 1.08 | 5.18 | 3.51 | 4.11 | 80 |
| 256.70 | 102030 | 52-418B-28-3,30-33 | slight | none | 0.707425 | 0.0006 | 8.71 | 1.07 | 8.14 | 96.52 | 3.10 | 130 |
| 292.05 | 114000 | 52-418B-32-1,65-67 | slight | none | 0.707258 | 0.0008 | 6.60 | 0.35 | 2.65 | 1.28 | 5.52 | 40 |
| 292.08 | 114000 | 52-418B-32-1,68-69 | slight | none | 0.707270 | 0.0007 | ||||||
| 302.09 | 118600 | 52-418B-33-1,109-110 | slight | none | 0.707331 | 0.0008 | 4.92 | 0.80 | 3.90 | 4.34 | 3.80 | 210 |