Dataset - B2FIND

Compilation of noble gas, hydrochemistry, stable water isotopes and radiocarb...

This dataset contains a compilation of noble gas, hydrochemistry, stable water isotopes and radiocarbon from dissolved organic carbon data sampled from geothermal power plants...

(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...

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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 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 3) Argon and nitrogen isotopes in gases from mineral water of the Preg...

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(Table 1) Helium and argon within fluid inclusions in precipitates from subsu...

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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.