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Geosites

50.The sunrise island (Hideshima)

The sunrise island

Uninhabited island "Gunkanjima"

In the sunrise island, the upper part is flat among cliffs of 30-40m in the neighborhood in uninhabited island located to east about 600m from the sunrise island fishing port of Sakiyama district. We consist of strata (the Miyako Group sunrise Island layer) which deposited in the sea about 110 million years ago (the Cretaceous in the first half of the Mesozoic) that dinosaur lived in. Bivalve, roll-shell, coral, various kinds of fossils including ammonite are discovered, and there are many types discovered for the first time in the sunrise island.
It is covered other than the cliff by broad leaf forest, and Japanese red pine, cedar, fir trees slightly scatter.
The sunrise Island is also called another name, Gunkanjima in the biggest island in the city. In December, 1935 (Showa 10), is appointed to natural monument of country as "the sunrise island kurokoshijiroumitsubame breeding place".

The sunrise island

The sunrise island

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