Seidemann, David E (1977): (Table 2) K-Ar results from DSDP Hole 34-321 [dataset]. Department of Geology and Geophysics, Yale University, PANGAEA, https://doi.org/10.1594/PANGAEA.720972, In: Seidemann, DE (1977): K-Ar dating of altered deep-sea igneous rocks from DSDP Legs 2, 34, and 35 [dataset publication series]. Department of Geology and Geophysics, Yale University, PANGAEA, https://doi.org/10.1594/PANGAEA.720975
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Related to:
Seidemann, David E (1977): Effects of submarine alteration on K-Ar dating of deep-sea igneous rocks. Geological Society of America Bulletin, 88(11), 1660-1666, https://doi.org/10.1130/0016-7606(1977)88%3C1660:EOSAOK%3E2.0.CO;2
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Latitude: -12.021500 * Longitude: -81.904000
Date/Time Start: 1974-01-29T00:00:00 * Date/Time End: 1974-01-29T00:00:00
Minimum Elevation: -4817.0 m * Maximum Elevation: -4817.0 m
Event(s):
34-321 * Latitude: -12.021500 * Longitude: -81.904000 * Date/Time: 1974-01-29T00:00:00 * Elevation: -4817.0 m * Penetration: 134.5 m * Recovery: 83.5 m * Location: South Pacific/BASIN * Campaign: Leg34 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 13 cores; 123.5 m cored; 0 m drilled; 67.6 % recovery
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Sample code/label | Sample label | Seidemann, David E | DSDP/ODP/IODP sample designation | ||
| 2 | Potassium | K | % | Seidemann, David E | Atomic absorption spectrometry (AAS) | |
| 3 | Argon-40 at standard pressure | 40Ar STP | 10-6 cm3/g | Seidemann, David E | Isotope ratio mass spectrometry | |
| 4 | AGE | Age | ka BP | Geocode | ||
| 5 | Age, dated standard deviation | Age dated std dev | ± | Seidemann, David E | 2 sigma | |
| 6 | Sample type | Samp type | Seidemann, David E | |||
| 7 | Age, comment | Comm | Seidemann, David E | expected age and method |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
18 data points
Data
| 1 Sample label | 2 K [%] | 3 40Ar STP [10-6 cm3/g] | 4 Age [ka BP] | 5 Age dated std dev [±] | 6 Samp type | 7 Comm |
|---|---|---|---|---|---|---|
| 34-321-14-1,125-131 | 0.183 | 0.168 | 22800 | 1400 | fine-grained basalt, gray powder from light unaltered zone | 38 to 40 m.y. (Sclater et al., 1971; agu.org) - age-depth relationship; 38 to 40 m.y. - magnetic anomaly patterns; 39 to 40 m.y. - paleontologic evidence |
| 34-321-14-1,125-131 | 0.662 | 0.327 | 12300 | 800 | fine-grained basalt, yellow-brown powder from dark alteration zone | the same |
| 34-321-14-4,55-57 | 0.108 | 0.121 | 27800 | 3000 | course-grained basalt, gray, fresh | the same |