East Pacific Rise pillow basalt | AMNH https://www.amnh.org/exhibitions/permanent/planet-earth/why-are-there-ocean-basins-continents-and-mountains/non-explosive-volcanism/volcanoes-under-the-sea/east-pacific-rise-pillow-basalt
The reddish rind on this pillow is palagonite, a clay-rich
Planet Earth Share Location Floor 1 The reddish rind