Ozima, Minoru; Zashu, S (1983): Noble gases in submarine pillow volcanic glasses [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.723734, Supplement to: Ozima, M; Zashu, S (1983): Noble gases in submarine pillow volcanic glasses. Earth and Planetary Science Letters, 62(1), 24-40, https://doi.org/10.1016/0012-821X(83)90068-7
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Abstract:
Fifteen submarine glasses from the East Pacific Rise (CYAMEX), the Kyushu-Palau Ridge (DSDP Leg 59) and the Nauru Basin (DSDP Leg 61) were analysed for noble gas contents and isotopic ratios. Both the East Pacific Rise and Kyushu-Palau Ridge samples showed Ne excess relative to Ar and a monotonic decrease from Xe to Ar when compared with air noble gas abundance. This characteristic noble gas abundance pattern (type 2, classified by Ozima and Alexander) is interpreted to be due to a two-stage degassing from a noble gas reservoir with originally atmospheric abundance. In the Kyushu-Palau Ridge sample, noble gases are nearly ten times more abundant than in the East Pacific Rise samples. This may be attributed to an oceanic crust contamination in the former mantle source.
There is no correlation between the He content and that of the other noble gas in the CYAMEX samples. This suggests that He was derived from a larger region, independent from the other noble gases.
Except where radiogenic isotopes are involved, all other noble gas isotopic ratios were indistinguishable from air noble gas isotopic ratios. The 3He/4He in the East Pacific Rise shows a remarkably uniform ratio of (1.21 +/- 0.07)*10**-5, while the40Ar/36Ar ranges from 700 to 5600.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: 16.742209 * Median Longitude: -159.820429 * South-bound Latitude: 7.241700 * West-bound Longitude: 134.874200 * North-bound Latitude: 21.000000 * East-bound Longitude: -109.000000
Date/Time Start: 1978-02-13T00:00:00 * Date/Time End: 1978-06-09T00:00:00
Event(s):
59-448A * Latitude: 16.341000 * Longitude: 134.874200 * Date/Time: 1978-02-13T00:00:00 * Elevation: -3483.0 m * Penetration: 914 m * Recovery: 226.7 m * Location: North Pacific/Philippine Sea/RIDGE * Campaign: Leg59 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 66 cores; 704.5 m cored; 0 m drilled; 32.2 % recovery
59-449 * Latitude: 18.030700 * Longitude: 136.536500 * Date/Time: 1978-02-28T00:00:00 * Elevation: -4712.0 m * Penetration: 151.5 m * Recovery: 92.5 m * Location: North Pacific/Philippine Sea/BASIN * Campaign: Leg59 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 17 cores; 151.5 m cored; 0 m drilled; 61.1 % recovery
61-462A * Latitude: 7.241700 * Longitude: 165.031700 * Date/Time: 1978-06-09T00:00:00 * Elevation: -5177.0 m * Penetration: 1068.5 m * Recovery: 344 m * Campaign: Leg61 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 90 cores; 619.5 m cored; 14.5 m drilled; 55.5 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
6 datasets
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Datasets listed in this publication series
- Ozima, M; Zashu, S (1983): (Table 2a) Isotopic composition of He, Ne, Ar and Kr of pillow lava from CYAMEX samples. https://doi.org/10.1594/PANGAEA.723612
- Ozima, M; Zashu, S (1983): (Table 2b) Isotopic composition of Xe of pillow lava from CYAMEX samples. https://doi.org/10.1594/PANGAEA.723619
- Ozima, M; Zashu, S (1983): (Table 1) Noble gas elemental abundance of pillow lava from CYAMEX samples. https://doi.org/10.1594/PANGAEA.723599
- Ozima, M; Zashu, S (1983): (Table 2a) Isotopic composition of He, Ne, Ar and Kr of pillow lava in DSDP sites. https://doi.org/10.1594/PANGAEA.723613
- Ozima, M; Zashu, S (1983): (Table 2b) Isotopic composition of Xe of pillow lava in DSDP sites. https://doi.org/10.1594/PANGAEA.723616
- Ozima, M; Zashu, S (1983): (Table 1) Noble gas elemental abundance of pillow lava in DSDP sites. https://doi.org/10.1594/PANGAEA.723594