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Karpoff, Anne Marie; Hoffert, Michel; Clauer, Norbert (1981): (Table 4) Rb/Sr isotopes data on siliceous, calcareous, and bulk material from the red clays and cherts at DSDP Hole 62-464 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.819728, In supplement to: Karpoff, AM et al. (1981): Sedimentary sequences at Deep Sea Drilling Project Site 464: Silicification processes and transition between siliceous biogenic oozes and brown clays. In: Thiede, J; Vallier, TL; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 62, 759-771, https://doi.org/10.2973/dsdp.proc.62.131.1981

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Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Latitude: 39.860700 * Longitude: 173.888800
Date/Time Start: 1978-08-17T00:00:00 * Date/Time End: 1978-08-17T00:00:00
Minimum Elevation: -4637.0 m * Maximum Elevation: -4637.0 m
Event(s):
62-464 * Latitude: 39.860700 * Longitude: 173.888800 * Date/Time: 1978-08-17T00:00:00 * Elevation: -4637.0 m * Penetration: 308.5 m * Recovery: 77.6 m * Location: North Pacific/CONT RISE * Campaign: Leg62 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 34 cores; 308.5 m cored; 0 m drilled; 25.2 % recovery
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Sample code/labelSample labelKarpoff, Anne MarieDSDP/ODP/IODP sample designation
2 Mineral nameMineralKarpoff, Anne Marie
3 StageStageKarpoff, Anne Marie
4 Age modelAge modelkaKarpoff, Anne MarieAge model, biostratigraphy
5 Age, errorAge e±Karpoff, Anne MarieAge model, biostratigraphy
6 RubidiumRbmg/kgKarpoff, Anne Mariesee reference(s)
7 StrontiumSrmg/kgKarpoff, Anne Mariesee reference(s)
8 Rubidium-87/Strontium-86 ratio87Rb/86SrKarpoff, Anne Marie
9 Strontium-87/Strontium-86 ratio87Sr/86SrKarpoff, Anne MarieThe 87Sr/86sr ratios were corrected for a 86Sr/88Sr ratio at 0.1194 and adjusted to 0.71014 for the NBS 987 standard
10 Strontium-87/Strontium-86 ratio, error87Sr/86Sr e±Karpoff, Anne MarieThe individual error of each run (2sigma/root(N)) is given in 10**-5
11 Age model, optionalAge model optkaKarpoff, Anne MarieAge, rubidium isotopeIsotopic, calculated with the new decay constant lambda-87Rb = 1.42 x 10**-11 x a**-1
12 Age, errorAge e±Karpoff, Anne MarieAge, rubidium isotope
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
103 data points

Data

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

1 
Sample label
(DSDP/ODP/IODP sample designation)		2 
Mineral		3 
Stage		4 
Age model [ka]
(Age model, biostratigraphy)		5 
Age e [±]
(Age model, biostratigraphy)		6 
Rb [mg/kg]
(see reference(s))		7 
Sr [mg/kg]
(see reference(s))		8 
87Rb/86Sr		9 
87Sr/86Sr
(The 87Sr/86sr ratios were cor...)		10 
87Sr/86Sr e [±]
(The individual error of each ...)		11 
Age model opt [ka]
(Isotopic, calculated with the...)		12 
Age e [±]
(Age, rubidium isotope)
62-464-10-4,70-72Late Cretaceous80000200004.2225.700.4760.709030.0002121500090000
62-464-13-CCBulk chertCenomanian9800020009.37248.000.1090.707560.0001024000010000
62-464-13-CCCalciteCenomanian980002000796.000.707690.0002724000010000
62-464-13-CCSilica (chert)Cenomanian98000200012.704.538.1000.734890.0002924000010000
62-464-13-CCSilica (other chert)Cenomanian9800020004.826.492.1520.715050.0001825000030000
62-464-26-1,82-84ChertAlbian10000060000.726.990.2960.709770.0002255500090000
62-464-26-1,88-90BulkAlbian10000060000.8019.700.1180.707790.0002111500020000
62-464-26-1,88-90CalciteAlbian1000006000511.000.707650.0001111500020000
62-464-26-1,88-90SilicaAlbian10000060001.321.402.7320.711880.0006511500020000