Interval 1 (grab)
Geographic location: Axial ridge, Marianna trough. General description: Basalt pillows and pillow fragments. Rocks contain large, up to one cm, phenocrysts of plagioclase feldspar and olivine. Up to five% vesicles. Glass rinds and Mn coating up to three mm. Sample slightly altered. Haul weight: 50 lbs.
|Material Details|| |
some samples exhibit fresh glass
weathering - light
- Date Collected
- Material Details
room temperature, dry
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Sample Number: A2-124-6-020GB
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