| 1 :
IGSN URI900262
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Lithology and Mineralogy:
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igneous (extrusive/volcanic), basalt, olivine phyric
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Glass and remarks:
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some samples with fresh glass & Mn/Fe oxide coatings
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Comments:
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Sample TN273-35D-01-01. Rift bottom. olivine basalt, 1% by volume olivine 1-3mm in diameter, 5% by volume vesicles 1-2mm in diameter, 1mm thick manganese crust, 2mm thick quench margin, subangular blocks, 10cm in size
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| 2 :
IGSN URI900263
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Lithology and Mineralogy:
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igneous (extrusive/volcanic), basalt, olivine phyric
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Glass and remarks:
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some samples with fresh glass & Mn/Fe oxide coatings
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Comments:
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Sample TN273-35D-01-02. Rift bottom. olivine basalt, 1% by volume olivine 1-3mm in diameter, 5% by volume vesicles 1-2mm in diameter, 1mm thick manganese crust, 2mm thick quench margin, subangular blocks, 6cm in size
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| 3 :
IGSN URI900264
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Lithology and Mineralogy:
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igneous (extrusive/volcanic), basalt, olivine phyric
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Glass and remarks:
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some samples with fresh glass & Mn/Fe oxide coatings
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Comments:
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Sample TN273-35D-01-03. Rift bottom. olivine basalt, 1% by volume olivine 1-3mm in diameter, 5% by volume vesicles 1-2mm in diameter, 1mm thick manganese crust, 2mm thick quench margin, subangular blocks, 13cm in size
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| 4 :
IGSN URI900265
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Lithology and Mineralogy:
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igneous (extrusive/volcanic), basalt, olivine phyric
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Glass and remarks:
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some samples with fresh glass & Mn/Fe oxide coatings
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Comments:
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Sample TN273-35D-01-04. Rift bottom. olivine basalt, 1% by volume olivine 1-3mm in diameter, 5% by volume vesicles 1-2mm in diameter, 1mm thick manganese crust, 2mm thick quench margin, subangular blocks, 13cm in size
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| 5 :
IGSN URI900266
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Lithology and Mineralogy:
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igneous (extrusive/volcanic), basalt, olivine phyric
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Glass and remarks:
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some samples with fresh glass & Mn/Fe oxide coatings
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Comments:
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Sample TN273-35D-01-05. Rift bottom. olivine basalt, 1% by volume olivine 1-3mm in diameter, 5% by volume vesicles 1-2mm in diameter, 1mm thick manganese crust, 2mm thick quench margin, subangular blocks, 10cm in size
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| 6 :
IGSN URI900267
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Lithology and Mineralogy:
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igneous (extrusive/volcanic), basalt, plagioclase phyric
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Glass and remarks:
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some samples with fresh glass & Mn/Fe oxide coatings
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Comments:
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Sample TN273-35D-02-01. Rift bottom. basalt, plagioclase (20% by volume, 1-3mm in diameter) - olivine (1% by volume, 1-3mm in diameter), 10% by volume vesicles 1-2mm in diameter, 1-2mm thick glassy rind, subangular blocks, 1mm thick manganese crust, 10cm in size
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| 7 :
IGSN URI900268
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Lithology and Mineralogy:
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igneous (extrusive/volcanic), basalt, plagioclase phyric
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Glass and remarks:
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some samples with fresh glass & Mn/Fe oxide coatings
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Comments:
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Sample TN273-35D-02-02. Rift bottom. basalt, plagioclase (20% by volume, 1-3mm in diameter) - olivine (1% by volume, 1-3mm in diameter), 10% by volume vesicles 1-2mm in diameter, 1-2mm thick glassy rind, subangular blocks, 1mm thick manganese crust, 12cm in size
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| 8 :
IGSN URI900269
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Lithology and Mineralogy:
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igneous (extrusive/volcanic), basalt, plagioclase phyric
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Glass and remarks:
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some samples exhibit fresh glass
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Comments:
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Sample TN273-35D-03-01. Rift bottom. microcrystalline basalt with 25% vesicles by volume 1-2mm in diameter, 1mm thick manganese crust, 40% plagioclase by volume <1mm in diameter, 5% clinopyroxene by volume <1mm in diameter, 1mm thick manganese crust, 12 cm in diameter
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| 9 :
IGSN URI900270
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Lithology and Mineralogy:
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igneous (extrusive/volcanic), basalt, plagioclase phyric
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Glass and remarks:
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some samples exhibit fresh glass
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Comments:
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Sample TN273-35D-03-02. Rift bottom. microcrystalline basalt with 25% vesicles by volume 1-2mm in diameter, 1mm thick manganese crust, 40% plagioclase by volume <1mm in diameter, 5% clinopyroxene by volume <1mm in diameter, 1mm thick manganese crust, 16 cm in diameter
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