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Description
This upload contains the 40Ar/39Ar geochronology age determination of sample 329-U1365E-03R-3W-73/85 (329-U1365E-3R-3W 73/85) from IODP Hole U1365E in Pacific (Osbourn Basin) and was calculated using the ArArCALC freeware. The preferred age of 102.85 ± 0.10 Ma is the combined age plateau and is interpreted as the eruption age of the sample. Eruption age plateau The age determination was carried out on a sample of basalt (groundmass) in an incremental heating experiment and using the bulk laser heating extraction method. The analyses were run on a ARGUS-VI mass spectrometer and the ages were calculated relative to flux monitor FCT-NM (10D10-16) (sanidine) with an age of 28.201 ± 0.082 Ma. This sample was collected by Peter Davidson (davidspe@oregonstate.edu). Sample Description: Full standard leach. |
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Geological Age Range and Timescale
21.88 - 21.8 Ma |
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Location
23º 51.05' S - 23º 51.05' S 165º 38.64' W - 165º 38.64' W, 329-U1365E-03R-3W-73/85, Pacific Ocean, Pacific Plate |
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Instructions
This ERDA upload contains four separate 40Ar/39Ar age calculation files generated with ArArCALC. Both the XLS and PDF files are for easy viewing in Microsoft Excel or Adobe Acrobat Reader, whereas the AGE file is readable by the ArArCALC software only and the XML file is generated for the GEOCHRON online database project. For full age calculation functionality it is recommended that you open the AGE file in the ArArCALC software that is available as freeware online at http://earthref.org/ArArCALC ... |
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Keywords
40Ar/39Ar, Geochronology, Radiometric Age Dating, K/Ar, Argon, Mass Spectrometry, ArArCALC, Data Reduction, 10.58052/IEPCD-329-U1365E-3R-3W-73-85 (IGSN), 1365E-03R-3W-73-85 (N=2) (Experiment), ELLICE BASIN, DAVIDSON (16-INT-01) (Project), Coring>DrillCorer (Collection Method), Ship (Platform Type), Core Quarter Round (Collection Object), Igneous>Volcanic>Mafic (Rock Classification), Groundmass (Mineral Type), 250-300 µm (Grain Size), 30.4 mg (Sample Weight), oceanic crust (Feature Type) |
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