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Watanabe, Teruo; Hirama, Tadao; Yuasa, Makoto; Terada, Shoichi; Fujioka, Kantaro (1992): Chemical composition of glass inclusions of volcanic rocks from the Bonin Arc [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.773446, Supplement to: Watanabe, T et al. (1992): Glass inclusions with microglobules in plagioclase and pyroxene phenocrysts of volcanic rocks from the Bonin Arc, Leg 126. In: Taylor, B; Fujioka, K; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 126, 171-183, https://doi.org/10.2973/odp.proc.sr.126.126.1992

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Abstract:
The chemical composition of glass inclusions in phenocrystic plagioclase and pyroxene from Sites 792 and 793, drilled during Ocean Drilling Program Leg 126 in the Bonin Arc, is examined. Immiscible liquid, which is preserved as glass inclusions with unmixed textures in plagioclase, is observed in a high-magnesian andesite, which suggests an important role of liquid immiscibility in the fractionation of high-magnesian andesite. In other andesitic rocks (SiO2 = 57-60 wt%), such unmixed textures of glass inclusions in calcic plagioclase with a similar percentage of An (around 80%) is not found. The degree of fractionation and mixing of liquid are inferred from the glass composition in pyroxene.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 32.076028 * Median Longitude: 140.506500 * South-bound Latitude: 31.105910 * West-bound Longitude: 140.379300 * North-bound Latitude: 32.399400 * East-bound Longitude: 140.888100
Date/Time Start: 1989-05-19T04:55:00 * Date/Time End: 1989-06-17T18:55:00
Event(s):
126-792E * Latitude: 32.399400 * Longitude: 140.379300 * Date/Time Start: 1989-05-19T04:55:00 * Date/Time End: 1989-05-26T06:40:00 * Elevation: -1798.0 m * Penetration: 885.9 m * Recovery: 362.07 m * Location: North Pacific Ocean * Campaign: Leg126 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 78 cores; 750.3 m cored; 0 m drilled; 48.3 % recovery
126-793B * Latitude: 31.105910 * Longitude: 140.888100 * Date/Time Start: 1989-05-27T18:10:00 * Date/Time End: 1989-06-17T18:55:00 * Elevation: -2975.0 m * Penetration: 1682 m * Recovery: 697.94 m * Location: North Pacific Ocean * Campaign: Leg126 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 114 cores; 1095.5 m cored; 0 m drilled; 63.7 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
4 datasets

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Datasets listed in this publication series

  1. Watanabe, T; Hirama, T; Yuasa, M et al. (1992): (Table 2) Chemical composition of plagioclase, orthopyroxene, and glass inclusions in plagioclase and orthopyroxene in ODP Sample 126-793B-105R-1,127-131. https://doi.org/10.1594/PANGAEA.773442
  2. Watanabe, T; Hirama, T; Yuasa, M et al. (1992): (Table 3) Chemical composition of plagioclase and glass inclusions in ODP Sample 126-792E-74R-2,53-57. https://doi.org/10.1594/PANGAEA.773443
  3. Watanabe, T; Hirama, T; Yuasa, M et al. (1992): (Table 4) Chemical composition of plagioclase and glass inclusions in ODP Sample 126-792E-74R-1,9-13. https://doi.org/10.1594/PANGAEA.773444
  4. Watanabe, T; Hirama, T; Yuasa, M et al. (1992): (Table 5) Chemical composition of clinopyroxene and plagioclase included in clinopyroxene and glass inclusions in ODP Sample 126-792E-47R-1,15-20. https://doi.org/10.1594/PANGAEA.773445