-
(Table 3) Argon and nitrogen isotopes in gases from mineral water of the Preg...
This dataset has no description
-
Element and isotope composition of light noble gas in marine ferromanganese n...
The authors have measured element and isotope compositions of He and Ar gases in 10 nodules dredged from Mariana Trough (opening back-arc basin) and the Ogasawara region on the... -
Isotopic-geochemical features of spontaneous gases from mud volcanoes in East...
Isotopic-geochemical study revealed presence of mantle He (3He/4He up to 223x10**-8) in gases from mud volcanoes of Eastern Georgia. This fact confirms that the Middle Kura... -
(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
-
(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 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
-
(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
-
(Table 2a) Isotopic composition of He, Ne, Ar and Kr of pillow lava in DSDP s...
This dataset has no description
-
(Table 2a) Isotopic composition of He, Ne, Ar and Kr of pillow lava from CYAM...
This dataset has no description
-
(Table DR1) 40Ar-39Ar incremental heating ages for ODP Hole 198-1213B basalts
This dataset has no description
-
(Table 2) Ar-Ar results for minerals from ODP Hole 173-1070A
This dataset has no description
