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Archipelago

    Gyali

    Γυαλί, Sakarcılar, Yiali

    36°39′N 27°07′E

    Gyali is a Greek volcanic island in the Dodecanese, located halfway between the south coast of Kos (Kardamaina) and Nisyros. It consists of rhyolitic obsidian lava domes and pumice deposits (which are mined in huge quantities).

    Pumice mining on Gyali island. Greece
    Pumice mining on Gyali island. Greece

    Ввласенко / CC BY-SA 3.0

    Terrain

    36°39′N 27°07′E

    Terrain exaggerated for relief. Drag to look around.

    Overview

    Gyali is a Greek volcanic island in the Dodecanese, located halfway between the south coast of Kos (Kardamaina) and Nisyros. It consists of rhyolitic obsidian lava domes and pumice deposits (which are mined in huge quantities). No historical eruptions are known, but the most recent pumice eruptions overlie soils containing pottery and obsidian artifacts from the Neolithic period (10,000–4,500 BC). The island has two distinct segments, with the northeastern part almost entirely made of obsidian and the southwestern part of pumice. These are connected by a narrow isthmus and beach made of modern reef sediments. Anciently, the island was known as Istros (Ancient Greek: Ἴστρος).

    From Wikipedia, CC BY-SA 4.0

    Chart

    Nearest islands

    Also in Dodecanese

    • Rhodes

      1,400 km²▲ 1,213 m

      Major islands

    • Karpathos

      300 km²▲ 1,215 m

      Major islands

    • Kos

      287 km²▲ 846 m

      Major islands

    • Kalymnos

      110 km²▲ 676 m

      Major islands

    • Astypalaia

      96.5 km²▲ 482 m

      Major islands

    • Kasos

      65.8 km²▲ 597 m

      Minor islands

    • Tilos

      61.5 km²▲ 654 m

      Minor islands

    • Symi

      57.5 km²▲ 617 m

      Minor islands

    Also in Southern Sporades

    • Rhodes

      1,400 km²▲ 1,213 m

      Major islands

    • Samos

      476 km²▲ 1,443 m

      Major islands

    • Karpathos

      300 km²▲ 1,215 m

      Major islands

    • Kos

      287 km²▲ 846 m

      Major islands

    • Kalymnos

      110 km²▲ 676 m

      Major islands

    • Astypalaia

      96.5 km²▲ 482 m

      Major islands

    • Tilos

      61.5 km²▲ 654 m

      Major islands

    • Symi

      57.5 km²▲ 617 m

      Major islands

    Also in Sporades

    • Lesbos

      1,632 km²▲ 967 m

      Major islands

    • Rhodes

      1,400 km²▲ 1,213 m

      Major islands

    • Chios

      843 km²▲ 1,297 m

      Major islands

    • Samos

      476 km²▲ 1,443 m

      Major islands

    • Lemnos

      476 km²▲ 426 m

      Major islands

    • Thasos

      383 km²▲ 1,204 m

      Major islands

    • Karpathos

      300 km²▲ 1,215 m

      Major islands

    • Kos

      287 km²▲ 846 m

      Major islands

    Also in Aegean Islands

    • Crete

      8,256 km²▲ 2,456 m

      Major islands

    • Euboea

      3,655 km²▲ 1,743 m

      Major islands

    • Lesbos

      1,632 km²▲ 967 m

      Minor islands

    • Rhodes

      1,400 km²▲ 1,213 m

      Minor islands

    • Chios

      843 km²▲ 1,297 m

      Minor islands

    • Samos

      476 km²▲ 1,443 m

      Minor islands

    • Lemnos

      476 km²▲ 426 m

      Minor islands

    • Naxos

      429 km²▲ 1,001 m

      Minor islands

    Sources

    Facts

    • Geometry, areas and high points: OpenStreetMap contributors (ODbL), Copernicus GLO-30, via Talus.
    • Talus
    • Wikidata
    • Wikipedia

    Photographs