-
(Table 2) Ar-Ar results for minerals from ODP Hole 173-1068A
This dataset has no description
-
(Table 2) Ar-Ar results for minerals from ODP Hole 173-1067A
This dataset has no description
-
(Table 3) K-Ar results from DSDP Hole 35-323
This dataset has no description
-
(Table 3) K-Ar results from DSDP Hole 35-322
This dataset has no description
-
(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... -
K-Ar ages from Oates Coast sector (Pacific margin) and Terra Nova Bay sector ...
This dataset has no description
-
K-Ar ages from Berg Mountains and Archangel Mountains, northern Victoria Land...
This dataset has no description
-
(Table T2) 40Ar-39Ar data on milligram-sized fractions, ODP Hole 178-1097A
178-1097A-27R-1,35-58, (6.8 mg) J = 0.0006101 -
(Table T2) 40Ar-39Ar data on milligram-sized fractions, ODP Hole 178-1103A
178-1103A-36R-3,4-8 (10.7 mg) J = 0.0006055 -
(Table T3) 40Ar-39Ar data on multi-grain fractions, ODP Hole 178-1103A
178-1103A-36R-3,4-8 (30 grains) J = 0.0006055; 178-1103A-31R-2,0-4 (30 grains) J = 0.0006015; Note: the final step was lost for a technical reason. -
(Table T3) 40Ar-39Ar data on multi-grain fractions, ODP Hole 178-1097A
178-1097A-27R-1,35-58 (10 grains) J = 0.0006101 -
(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... -
Table 1: Potassium-argon dates on whole rock lavas from Mt. Giluwe
A series of K-Ar dates from Mt Giluwe volcano is reported and its relevance to the Quaternary history of the volcano is discussed. The period between about 380 000 and 220 000... -
(Table 1) 40Ar/39Ar geochronology at DSDP Hole 89-462A
40Ar/39Ar geochronological studies were performed on basalts taken from the bottom of Hole 462A. An age of 129.7 ± 4.6 Ma was obtained for two temperature fractions (800 and... -
(Table 1) Age determination of ODP Leg 134 volcanic rocks
The K-Ar ages from the basaltic rocks of Leg 134 range from Miocene to Holocene (Table 1). Samples were selected in consultation with shipboard scientists; choice of the... -
(Table 1) Age determination of basalts from DSDP Hole 30-289
The Pacific plate has undergone a substantial northward displacement during the late Mesozoic and the Cainozoic. Here we give additional documentation for such motion based on... -
Potassium and argon concentrations and age determination of ODP Site 125-782 ...
K-Ar whole-rock ages have been obtained for 30 samples from Sites 782 and 786, Ocean Drilling Program Leg 125 in the Izu-Bonin (Ogasawara) forearc region. They form a trimodal...
