Browse Items (2 total)

  • Temporal Coverage is exactly "1887"

Hand Sample
Hand Sample: Apahanitic, vesicular, dark gray-black basalt. Olivine crystals are scattered throughout the sample and are approx. 0.05cm in diameter. Vesicles are very predominant throughout the sample and range in diameter from 0.01 cm to 1.5 cm This…

Hand Sample
Hand Sample: Aphanitic medium gray vesicular basalt with scattered olivine crystals. Olivine crystals are commonly growing either in clusters or as one single crystal. Vesicles are found throughout sample and range in diameter from 0.05cm to 2cm.
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