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(Table 2) Argon plateau and isochron ages of ODP Hole 165-1001A
Section 165-1001A-54R-7 was analyzed using the AEI MS-10S and Sections 165-1001A-53R-3 and 165-1001A-56R-3 were analyzed using the MAP 215-50. Ages are corrected for 37Ar decay,... -
(Table 2) Noble gas isotopic ratios from the Antrim Shale in the Michigan Basin
R/Ra = R is the measured 3He/4He ratio and Ra is the atmospheric value of 1.384 ± 0.013 × 10**-6. -
(Table 4) Noble gas concentrations and He, Ne, Ar, Kr, and Xe isotopic ratios...
Blanks and noble gas data on fusion crusts from chondritic meteorites are shown for comparison. -
(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 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) Isotopic Ar and ages at DSDP Holes 61-462 and 61-462A
Empty cells = no data. -
(Table 3) Argon and nitrogen isotopes in gases from mineral water of the Preg...
This dataset has no description
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(Table T3) Ar40/Ar39 incremental heating ages of ODP Leg 180 dolerites
Ages are reported relative to biotite monitor FCT-3 (27.84 ± 0.12 Ma), which in turn is calibrated against hornblende Mmhb-1 (520.4, Samson and Alexander, 1987). Calculations... -
(Table 1) Helium and argon within fluid inclusions in precipitates from subsu...
This dataset has no description
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(Table T4) Argon 40 - Argon 39 incremental heating ages from Neogene ash laye...
Sediment depth is given in mbsf. All ages calculated relative to neutron fluence monitor FCT-2 biotite (28.04 ± 0.12 Ma), decay and abundance constants le = 0.581 x 10-10/yr; lb... -
(Table 1) Summary of ODP Leg 129 basalts age determinations
Best Age: 129-800A = 126.1 ± 0.6 Ma; 129-801 alkalic basalts = 157.4 ± 0.5 Ma; 129-801C tholeiitic basalts = 166.8 ± 4.5 Ma; 12-802A = 114.6 ± 3.2 Ma. -
(Table 2) Radiometric age of volcanic ash layer of ODP Hole 112-686B
This dataset has no description
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(Table 2a) Isotopic composition of He, Ne, Ar and Kr of pillow lava in DSDP s...
This dataset has no description
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(Table 2a) Isotopic composition of He, Ne, Ar and Kr of pillow lava from CYAM...
This dataset has no description
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(Table DR1) 40Ar-39Ar incremental heating ages for ODP Hole 198-1213B basalts
This dataset has no description
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(Table 2) Ar-Ar results for minerals from ODP Hole 173-1070A
This dataset has no description
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(Table 2) Ar-Ar results for minerals from ODP Hole 173-1069A
This dataset has no description
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(Table 2) Ar-Ar results for minerals from ODP Hole 173-1068A
This dataset has no description