← Bioerosion of shells on the beach – and in old Norwegian lime mortars

SH2-sea-urchin

By | Published November 24, 2025 | Full size is 1452 × 1080 pixels

Sea urchin spine in lime mortar. Section. Microphoto (XPL) by PS

Sea urchin spine in lime mortar. Section. Microphoto (XPL) by PS

Sea urchin spine in lime mortar. Section. Microphoto (XPL) by PS

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