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Pearce, Julian A; Thirlwall, Matthew F; Ingram, Gerry; Murton, Bramley J; Arculus, Richard J; van der Laan, Sieger R (1992): (Table 3) Recalculated lead isotope ratios of ODP Leg 125 rock samples [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.770709, In supplement to: Pearce, JA et al. (1992): Isotopic evidence for the origin of Boninites and related rocks drilled in the Izu-Bonin (Osagawara) Forearc, Leg 125. In: Fryer, P; Pearce, JA; Stokking, LB; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 125, 237-261, https://doi.org/10.2973/odp.proc.sr.125.134.1992

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Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 31.367800 * Median Longitude: 141.270225 * South-bound Latitude: 30.861000 * West-bound Longitude: 141.226250 * North-bound Latitude: 31.874600 * East-bound Longitude: 141.314200
Date/Time Start: 1989-03-16T18:00:00 * Date/Time End: 1989-04-16T00:00:00
Minimum Elevation: -3076.0 m * Maximum Elevation: -2958.9 m
Event(s):
125-782A  * Latitude: 30.861000 * Longitude: 141.314200 * Date/Time Start: 1989-03-16T18:00:00 * Date/Time End: 1989-03-17T07:30:00 * Elevation: -2958.9 m * Penetration: 476.8 m * Recovery: 282 m * Location: North Pacific Ocean * Campaign: Leg125 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 50 cores; 476.8 m cored; 0 m drilled; 59.1 % recovery
125-786  * Latitude: 31.874600 * Longitude: 141.226250 * Date/Time Start: 1989-04-04T00:00:00 * Date/Time End: 1989-04-16T00:00:00 * Elevation: -3076.0 m * Penetration: 995.1 m * Recovery: 275 m * Location: North Pacific Ocean * Campaign: Leg125 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 91 cores; 832.6 m cored; 0 m drilled; 33% recovery
Comment:
Recalculated = alteration corrected. The assumed metamorphic age is given as age model if it differs from the magmatic age (= AGE).
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Event labelEvent
2 Sample code/labelSample labelPearce, Julian A
3 Rock typeRockPearce, Julian A
4 AGEAgeka BPGeocode
5 Age modelAge modelkaPearce, Julian Aassumed metamorphic age
6 Lead-206/Lead-204 ratio206Pb/204PbPearce, Julian A
7 Lead-207/Lead-204 ratio207Pb/204PbPearce, Julian A
8 Lead-208/Lead-204 ratio208Pb/204PbPearce, Julian A
9 Lead-206/Lead-204 ratio206Pb/204PbPearce, Julian Arecalculated
10 Lead-207/Lead-204 ratio207Pb/204PbPearce, Julian Arecalculated
11 Lead-208/Lead-204 ratio208Pb/204PbPearce, Julian Arecalculated
12 DifferenceDiffPearce, Julian AD7/4
13 DifferenceDiffPearce, Julian AD8/4
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
228 data points

Data

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

1 
Event		2 
Sample label		3 
Rock		4 
Age [ka BP]		5 
Age model [ka]
(assumed metamorphic age)		6 
206Pb/204Pb		7 
207Pb/204Pb		8 
208Pb/204Pb		9 
206Pb/204Pb
(recalculated)		10 
207Pb/204Pb
(recalculated)		11 
208Pb/204Pb
(recalculated)		12 
Diff
(D7/4)		13 
Diff
(D8/4)
125-786 125-786B-57R-4,69-77low-Ca boninite4100018.75515.56638.73718.74515.56638.7314.344.2
125-786125-786B-62R-3,40-42low-Ca boninite4100018.90415.53538.45918.88115.53438.452-0.4-0.2
125-786125-786B-70R-1,68-73low-Ca bronzite andesite4100018.90115.52838.44518.90415.52838.453-1.2-2.9
125-786125-786B-51R-1,51-55intermediate-Ca boninite410003500018.86215.51638.39918.85915.51638.398-2.0-3.1
125-786125-786B-11R-1,122-126intermediate-Ca boninite410003500018.83515.52438.39718.83715.52438.395-0.9-0.7
125-786125-786B-30R-1,29-31intermediate-Ca bronzite andesite4100018.90015.51938.40018.87215.51838.392-1.9-5.1
125-786125-786B-1R-1,61-64intermediate-Ca bronzite andesite4100018.81615.51538.36118.80115.51438.353-1.5-0.5
125-786125-786B-8R-1,45-47andesite410003500018.80815.52338.40318.81315.52338.399-0.72.7
125-786125-786B-49R-4,32-37andesite4100018.87315.52038.40918.85115.51938.406-1.6-1.2
125-786125-786B-21R-1,26-29andesite410003500018.86215.52638.43418.82315.52438.420-0.73.5
125-786125-786B-21R-1,129-131rhyolite410003500018.84815.50538.36518.81515.50338.350-2.7-2.5
125-786125-786B-21R-2,72-76intermediate-Ca boninite3500018.82615.51338.30818.80615.51238.302-1.8-6.1
125-786125-786B-67R-1,63-65intermediate-Ca boninite3500018.80415.52938.38118.79615.52938.3760.02.4
125-786125-786B-40R-2,54-57high-Ca boninite3500018.78215.52538.34818.77415.52538.345-0.22.1
125-786125-786B-5R-2,70-72high-Ca boninite1700018.74415.50938.28118.72015.50838.277-1.31.6
125-786125-786B-17X-CC,4-6intermediate-Ca boninite350001700018.87615.51438.29518.82215.51238.293-2.0-9.5
125-786125-786B-16X-CC,25-28intermediate-Ca boninite350001700018.82615.51738.31818.82915.51738.319-1.5-7.8
125-786125-786A-12X-1,140-142basaltic andesite1700018.58415.54038.41218.61815.54238.4283.228.9
125-786125-786B-6X-5,24-27basaltic andesite1000018.38115.48538.17018.37915.48638.1760.131.2
125-786125-786A-50X-1,37-42tholeiitic andesite3500018.62015.46238.10318.60515.46138.101-4.7-2.0
125-782A 125-782A-49X-CC,31-34tholeiitic andesite3500018.66715.49738.26618.66615.49738.264-1.86.9
125-782A125-782A-45X-1,32-35tholeiitic dacite350001700018.62915.48138.17418.62415.48138.166-2.92.1