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(Table 2) Total fusion K-Ar age on basalt and feldspar at DSDP Hole 19-192A
Sample 19-192A-5-3,41-42 age, calculated is 37.4±0.9 My; J = 0.006231, 37Ar corrected for decay (t1/2 = 35.1 days). -
(Table 3) 40Ar/39Ar total fusion ages at DSDP Leg 55 Holes
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(Table 5) Radiometric K-Ar analyses at DSDP Hole 66-493
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(Table 1) K-Ar age at DSDP Leg 73 Holes basalts
lambda-e + lambda-e1 = 0.581 x 10-10/yr. and lambda-beta = 4.962 x 10-10/yr. at abundance 40K = 1.167 x 10**-4 mol/mol, where lambda-beta is the decay constant of 40K by... -
(Table 2) Potassium, argon and K-Ar dates of the Mazagan granodiorite at V30-...
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(Table 6) Age dated, K2O and 40Ar at DSDP Holes 80-551 and 80-550B
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(Table 2) Potassium, argon and age at DSDP Holes 81-553 and 81-555, second se...
Lambda-beta = 4.96210-10 yr-1; Lambda-3 = 0.58110-10 yr-1; 40K = 1.16710-2 atom %; errors computed from {EK2+(1+A/R)2 E402 + E382 + (A/R)2 E362}1/2 where R = (100-A) =... -
(Table 1) Potassium, argon and age at DSDP Holes 81-553 and 81-555, explatory
Lambda-beta = 4.96210-10 yr-1; Lambda-3 = 0.58110-10 yr-1; 40K = 1.16710-2 atom %; errors computed from {EK2+(1+A/R)2 E402 + E382 + (A/R)2 E362}1/2 where R = (100-A) =... -
(Table 3) Age at DSDP Holes 81-552A, 81-553A and 81-555 glauconites
Lambda3=0.58110-10yr-1; Lambda-Beta=4.96210-10yr-1; 40K/K=1.16710*-2 atom %. -
(Table 4) K-Ar determinations for celadonite and proto-celadonite from DSDP S...
Sub-basement depth [m]. Ages were calculated from the following decay and abundance constants: lambda-e = 0.581x10-10 /yr ; lambda-beta = 4.962 x 10-10/yr.; 40K/K = 1.167x10**-4... -
(Table 4) Age marks in bottom sediments from DSDP Leg 6 holes, Pacific Ocean
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(Table 4) Age determination and argon isotope ratios of igneous rocks of ODP ...
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(Table 1) K-Ar age determination of ODP Leg 120 samples
lamda epsilon = (0.581 * 10-10)a-1; lambda beta = (4.962 10-10)a-1; 40K/total K = 1.167 10-4 mM*-1. The ± figures represent estimations of the analytical precision at the 68%... -
(Table 5) K-Ar ages and concentrations of oceanic crust and sediments
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(Table 7) Estimates of magnetic reversal ages from stable oxygen isotope reco...
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(Table 7) Estimates of magnetic reversal ages from stable oxygen isotope reco...
This dataset has no description
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(Table 1) K-Ar age and inert-gas-isotopes at DSDP Holes 68-501, 69-504B and 6...
Conventional K-Ar ages have been determined and inert-gas abundances have been measured on representative samples of altered rocks from Deep Sea Drilling Project Holes 501,... -
(Table 1) K-Ar age determinations on biotite from coarse sand within DSDP Sam...
Qualitative petrographic study of selected clastic horizons within the Eocene section of Hole 516F has revealed the presence of abundant fine-grained lithic fragments, probably... -
(Table 1) Downhole variation of potassium, apparent K-Ar age, and inert gas a...
Ne, Ar, Kr, Xe, and K2O were measured in representative samples of holocrystalline basalt from DSDP Hole 504B. No hiatus in inert gas abundance is recognized at the base of the... -
(Table 1) Age determination of glass-samples from ODP Hole 135-841B
Several samples from the rhyolitic lavas encountered in Hole 841 B in the Tonga Forearc were made available by A. Ewart for potassiumargon (K-Ar) dating in an attempt to...
