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Data Publisher for Earth & Environmental Science

Pettke, Thomas; Halliday, Alex N; Hall, Chris M; Rea, David K (2000): (Table 3) 40Ar/39Ar dating results of the silicate fraction of dust samples from ODP Hole 145-885A [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.711211, In supplement to: Pettke, T et al. (2000): Dust production and deposition in Asia and the north Pacific Ocean over the past 12 Myr. Earth and Planetary Science Letters, 178(3-4), 397-413, https://doi.org/10.1016/S0012-821X(00)00083-2

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Project(s):
Ocean Drilling Program (ODP)
Coverage:
Latitude: 44.688300 * Longitude: 168.272000
Date/Time Start: 1992-09-03T07:30:00 * Date/Time End: 1992-09-04T10:00:00
Minimum Elevation: -5720.0 m * Maximum Elevation: -5720.0 m
Event(s):
145-885A * Latitude: 44.688300 * Longitude: 168.272000 * Date/Time Start: 1992-09-03T07:30:00 * Date/Time End: 1992-09-04T10:00:00 * Elevation: -5720.0 m * Penetration: 58.8 m * Recovery: 53.72 m * Location: North Pacific Ocean * Campaign: Leg145 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 8 cores; 58.8 m cored; 0 m drilled; 91.4 % recovery
Comment:
AGE is the stratigraphic age (Rea et al., 1998, doi:10.1029/98PA00123) of the sample
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 AGEAgeka BPGeocode
2 Sample code/labelSample labelPettke, ThomasDSDP/ODP/IODP sample designation
3 Sample massSamp mgPettke, Thomas
4 Mineral assemblageMin assemblPettke, ThomasX-ray diffraction (XRD)
5 PotassiumK%Pettke, ThomasAbundances based on the total volume of 39Ar and the age. The error on these estimates is of the order of 10-20%, resulting from the errors on the sample size and the volumes during step analyses
6 Argon-3939Ar%Pettke, ThomasThe break seal sample gas fraction (Dong et al., 1995 doi:10.1126/science.267.5196.355, Hall et al., 1997 doi:10.1016/S0012-821X(97)00041-1) permits the measurement of the recoil loss of Ar isotopes from the sample during irradiation
7 Age modelAge modelkaPettke, ThomasThe encapsulated total gas age is equivalent to a conventional K-Ar age (Dong et al., 1995, Hall et al., 1997), it includes the recoil fraction of 39Ar
8 Age, standard deviationAge std dev±Pettke, ThomasTotal gas age, 2-sigma error
9 Age, standard deviationAge std dev±Pettke, ThomasRetention age, 2-sigma error
10 Age model, optionalAge model optkaPettke, ThomasThe retention age (Dong et al., 1995, Hall et al., 1997) is the integrated age of all steps without the 39Ar recoil fraction, hence is equivalent to conventional 40Ar/39Ar bulk melting ages
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
54 data points

Data

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

1 
Age [ka BP]		2 
Sample label
(DSDP/ODP/IODP sample designation)		3 
Samp m [g]		4 
Min assembl
(X-ray diffraction (XRD))		5 
K [%]
(Abundances based on the total...)		6 
39Ar [%]
(The break seal sample gas fra...)		7 
Age model [ka]
(The encapsulated total gas ag...)		8 
Age std dev [±]
(Total gas age, 2-sigma error)		9 
Age std dev [±]
(Retention age, 2-sigma error)		10 
Age model opt [ka]
(The retention age (Dong et al...)
1200145-885A-2H-1,130-1350.0008ill>plag>chl, no smec, no kaol3.49.9917370050005600192100
4540145-885A-3H-6,30-350.0011ill>chl>plag>smec>kaol2.27.5719450082008800209600
6090145-885A-4H-6,30-350.0031ill>chl=plag>smec>>kaol3.35.7218470054006000203500
6480145-885A-5H-1,105-1100.0026ill>chl=plag>>smec>kaol2.69.7120040090009400211900
7820145-885A-5H-6,105-1100.0029ill>plag>chl>>smec, no kaol2.79.8718960082009200209200
11130145-885A-6H-4,30-350.0014ill>plag>>smec>kaol, no chl3.16.8815000058007000160900