Obsidian from Hrafntinnuhryggur, Iceland: its lithopliysae. and surface markings

• Published in: Geological Society of America Bulletin
• Main Author: Wright, F. E.
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: 1915
• Subjects: Hrafntinnuhryggur; Iceland
• Online Access: https://zenodo.org/record/2211743; https://doi.org/10.1130/gsab-26-255

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