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(Table 1) Ar isotopes in neutron-irradiated rocks recovered from the Japan Se...
This dataset has no description
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(Table 2) Age determination of plagioclase, biotite and hornblende from blue ...
Plagioclase grains from Site 794B were degassed at 0.3 W laser power output before fusion to help remove atmospheric Ar contamination. These data are corrected for mass... -
(Table S3) Argon geochemistry of plagioclase from DSDP Site 55-433
The parameter J, a measure of the extent of conversion of 39K to 39Ar, was determined for each sample by analyzing co-irradiated Fish Canyon sanidine (FCs). Errors in this table... -
(Table 4) 40Ar/39Ar total fusion ages of ODP Hole 120-750B
J = 0.0095548, incremental heating -
(Table 3) 40Ar/39Ar total fusion ages of ODP Hole 120-749C
J = 0.010755, incremental heating -
(Table 2) 40Ar/39Ar total fusion ages of ODP Leg 120 samples
Total fusion temperature = 1500°C. -
(Table 4) 40Ar/39Ar total fusion results from multigrain separates of muscovi...
This dataset has no description
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(Table 3) 40Ar/39Ar step heating and total fusion results from single crystal...
This dataset has no description
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(Table 2) 40Ar/39Ar step heating results from multigrain separates of muscovi...
This dataset has no description
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(Table 3) Argon and neodymium analyses of ODP Site 145-884
This dataset has no description
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(Table 2) 40Ar/39Ar analyses of ODP Hole 176-735B
AGE is the calculated age. (39Ar/37Ar)Ca=0.00074, (36Ar/37Ar)Ca=0.00021, (38Ar/39Ar)K=0.01077, (40Ar/39Ar)K=0.02622, (40Ar/39Ar)K=0.02622 -
(Table 2) 40Ar/39Ar ratios of whole rock samples from DSDP Hole 89-462A
best age estimate is 110.8 +/- 1.0 Ma -
(Table 2) Total fusion 40Ar/39Ar ages on sanidine concentrates from rhyolites...
Lamda = 5.305 * 10**-10/yr. 37 Ar corrected for decay -
(Appendix A) 39Ar/40Ar analyses for two volcanic ash layers of DSDP Hole 42-3...
Measured on K-feldspar. Sample 42-372-24R-1,5 (No. 1-20) VU51-A2 (04MY272) J = 0.001832 (+/- 0.20%) 200-400 µm ~3 grains per fusion. Sample 42-372-38R-3,0 (No. 21-40) VU51-A6... -
39Ar/40Ar ratios of whole rock samples from ODP Hole 107-655B and 107-651A (T...
Six whole rocks from the basaltic lava series drilled in the Vavilov basin have been analyzed by 39Ar-40Ar stepwise heating method. One sample from the upper part of the Hole... -
(Table DR1) Argon isotope data and dating for individual >63 µm amphibole gra...
Variations of global and regional silicate weathering rates and paleo-ocean circulation patterns are estimated by using radiogenic isotope records, but the effects of changes in... -
(Table S3) Argon geochemistry of minerals from Hawaiian-Emperor seamounts
Position of the seamounts are estimated. The parameter J, a measure of the extent of conversion of 39K to 39Ar, was determined for each sample by analyzing co-irradiated Fish... -
(Table 4) Argon geochronology from dive SAR_1 on Cornacya seamount of the Sar...
Total age = 12.6 ± 0.3 Ma. Ordinal number = Number of samples. -
(Table 4) Concentration of Ar isotopes under step heating of detrital muscovi...
Analyses have been carried out at the United Institute of Geology, Geochemistry, and Mineralogy SD RAS, Novosibirsk (analyst V. A. Ponomarchuk). -
(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...
