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40Ar/39Ar Age Determination 1365E-07R-4W 2940 ALL (N=4) (10.58052/IEPCD-329-U1365E-7R-4W-29-40 - IODP Hole U1365E)
File Name 10.58052/IEPCD-329-U1365E-7R-4W-29-40.1365E-07R-4W 2940 ALL (N=4).pdf
Data Type spreadsheet
Computer Program ArArCALC 2.7.0
File Size 2.19 MB - 4 files [ pdf,xls,age,xml ]
Expert Level State-of-the-art Science
Contributor ArArCALC ERDA Uploader
Source Davidson et al. 2023
http://earthref.org/ERDA/10.58052/IEPCD-329-U1365E-7R-4W-29-40/
Description
This upload contains the 40Ar/39Ar geochronology age determination of sample 329-U1365E-07R-4W 29/40 (329-U1365E-7R-4W 29/40) from IODP Hole U1365E in Pacific (Osbourn Basin) and was calculated using the ArArCALC freeware. The preferred age of 102.14 ± 0.20 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 (10D4-16) (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 (GM) + 5 min 5% HF (Plag). Sample Treatment: Two groundmass and two plagioclase analyses from the same sample.
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