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(Table 2) In situ 40Ar-39Ar data on rock chip from samples in East Antarctica
This dataset has no description
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(Table 4) 40Ar/39Ar incremental heating experiments at DSPD Leg 55 Holes
This dataset has no description
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(Table 3) 40Ar/39Ar total fusion ages at DSDP Leg 55 Holes
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(Table 2) Summary of ages at DSDP Hole 57-439
Empty cells = not defined. lambda = 5.543 x 10-10 y-1, lambda-e = 0.581 x 10-10 y-1, 40K/K = 0.0001167. -
(Table 1) Age analysis at DSDP Hole 57-439
Correction factors used are (39Ar/37Ar)Ca = 0.0039, (36Ar/37Ar)Ca = 0.00029, (40Ar/39Ar)K = 0.031. Errors given in the apparent ages indicate 1 sigma. Empty cells = no data. -
(Table 3) Total fusion ages and isochron data at DSDP Leg 58 Holes
Lambda-e = 0.581 x 10-10 yr-1; lambda-beta = 4.962 x 10-10 yr-1; 40K/K = 1.167 x 10**-4; total fusion age = 1/lambda ln [1 + J(40Ar/39Ar)total; (40Ar/39Ar)total = SUM-i fi... -
(Table 2) Analytical data for step-heating experiments at DSDP Hole 58-445 an...
This dataset has no description
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(Table 2) 40Ar-39Ar ages at DSDP Holes 60-458 and 60-459
Plateau age and Isochron age were calculated from 700, 800, 850, 950, and > 1300°C fractions. lambda = 5.543x10-10 yr-1, lambda-e = 0.581x10-10 yr-1, 40K/K = 0.0001167, total... -
(Table 1) 40Ar-39Ar analysis at DSDP Holes 60-458 and 60-459
Correction factors used as (39Ar/37Ar)Ca = 0.0007, (36Ar/37Ar)Ca = 0.00036, and (40Ar/39Ar)K = 0.03. -
(Table 1) Age determination of volcanic rocks from Hikurangi and Manihiki Pla...
This dataset has no description
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(Table 1) Plateau ages of DSDP Hole 33-317A basalts and dredge samples
This dataset has no description
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(Table S2) Age determinations of Hawaiian-Emperor seamounts
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... -
(Table 3) K-Ar ages on sanidine concentrates from rhyolites of DSDP Hole 21-207A
Lamda epsilon = 0.585 * 10-10/ yr. Lambda beta = 4.72 * 10-10/yr. 40K/K = 1.19 * 10**-2 atom %. -
(Table 2) Total fusion 40Ar/39Ar ages on sanidine concentrates from rhyolites...
Lamda = 5.305 * 10**-10/yr. 37 Ar corrected for decay -
(Table 2) Additional datums used in the calculation of the chronostratigraphi...
This dataset has no description
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(Table 1) 40Ar/39Ar geochronology at DSDP Hole 89-462A
40Ar/39Ar geochronological studies were performed on basalts taken from the bottom of Hole 462A. An age of 129.7 ± 4.6 Ma was obtained for two temperature fractions (800 and... -
(Table) Argon isotope ratios and argon ages of rocks obtained from the Cherno...
Structural-petrologic and isotopic-geochronologic data on magmatic, metamorphic, and metasomatic rocks from the Chernorud zone were used to reproduce the multistage history of... -
(Table 1) Age of Cretaceous seamounts in the Western Pacific
Dynamics of the Pacific Plate is recorded in the systematic variation of location and the 40Ar-39Ar age of seamounts in the Western Pacific from 120 to 65 Ma ago. The seamounts... -
Tab. 1: Ar40/Ar39 results from Kuyul terrane, northeastern Russia
The Kamchatka Peninsula of northeastern Russia is located along the northwestern margin of the Bering Sea and consists of zones of complexly deformed accreted terranes. Along... -
Summary of 40Ar/39Ar results from core sediment CRP-1 (Table 1)
40Ar/39Ar dating of volcanic clasts and pumice provide constraints for depositional ages of the CRP-1 core. Laser-fusion analyses of anorthoclase phenocrysts from pumice clasts...