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Sharp, Warren D; Clague, David A (2006): (Table S2) Age determinations of Hawaiian-Emperor seamounts. PANGAEA, https://doi.org/10.1594/PANGAEA.772230, In supplement to: Sharp, WD; Clague, DA (2006): 50-Ma initiation of Hawaiian-Emperor bend records major change in Pacific Plate motion. Science, 313(5791), 1281-1284, https://doi.org/10.1126/science.1128489

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Project(s):
Coverage:
Median Latitude: 37.080321 * Median Longitude: 171.220250 * South-bound Latitude: 30.300000 * West-bound Longitude: 147.300000 * North-bound Latitude: 49.000000 * East-bound Longitude: -178.000000
Date/Time Start: 1977-08-01T00:00:00 * Date/Time End: 1977-08-16T00:00:00
Minimum Elevation: -1874.0 m * Maximum Elevation: -1310.0 m
Event(s):
55-430A * Latitude: 37.988200 * Longitude: 170.597700 * Date/Time: 1977-08-01T00:00:00 * Elevation: -1479.0 m * Penetration: 118 m * Recovery: 18.3 m * Location: North Pacific/SEDIMENT POND * Campaign: Leg55 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 9 cores; 59 m cored; 28.5 m drilled; 31.1 % recovery
55-432A * Latitude: 41.333800 * Longitude: 170.379000 * Date/Time: 1977-08-06T00:00:00 * Elevation: -1310.0 m * Penetration: 74 m * Recovery: 16.1 m * Location: North Pacific/TERRACE * Campaign: Leg55 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 5 cores; 38 m cored; 0 m drilled; 42.4 % recovery
55-433A * Latitude: 44.776700 * Longitude: 170.021000 * Date/Time: 1977-08-16T00:00:00 * Elevation: -1862.0 m * Penetration: 174 m * Recovery: 88.6 m * Location: North Pacific/SEAMOUNT * Campaign: Leg55 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 21 cores; 174 m cored; 0 m drilled; 50.9 % recovery
Comment:
Position of the seamounts, except DSDP samples, are estimated. All uncertainties are given at 95% confidence level. Ages were calculated using an age of 28.02 Ma for Fish Canyon sanidine (Renne et al., 1998, doi:10.1016/S0009-2541(97)00159-9), and decay constants and isotopic abundances of (Steiger and Jager, 1977, doi:10.1016/0012-821X(77)90060-7).
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Event labelEvent
2Sample code/labelSample labelSharp, Warren D
3LATITUDELatitudeGeocode
4LONGITUDELongitudeGeocode
5Mineral nameMineralSharp, Warren D
6Area/localityAreaSharp, Warren Dseamount and Volcano, numbering system of (Clague and Dalrymple, 1987) is used to designate volcanoes on seamounts with multiple eruptive centers
7Age, datedAge datedkaSharp, Warren DAge, 40Ar/39Ar Argon-Argonplateau age, # = age too young at the 95% confidence interval to preserve stratigraphic order in relation to the other dated Suiko samples and is not included in the weighted mean age
8Age, dated standard deviationAge dated std dev±Sharp, Warren DAge, 40Ar/39Ar Argon-Argonplateau age, # = age too young at the 95% confidence interval to preserve stratigraphic order in relation to the other dated Suiko samples and is not included in the weighted mean age
9--Sharp, Warren DMSWD refers to mean sum of the weighted deviates, a measure of scatter relative to that expected from analytical uncertainties
10Argon-3939Ar%Sharp, Warren Din plateau steps
11Age, datedAge datedkaSharp, Warren DAge, 40Ar/39Ar Argon-Argontotal gas age
12Age, dated standard deviationAge dated std dev±Sharp, Warren DAge, 40Ar/39Ar Argon-Argontotal gas age
Size:
220 data points

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