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Koolan Island : ウィキペディア英語版 | Koolan Island
Koolan Island is an island off the Kimberley coast of Western Australia in the Buccaneer Archipelago. It is about north of Perth, and about north of Derby. It holds deposits of high-grade iron ore. ==Description== The island is approximately in length along an east-west axis and approximately at its widest point along a north-south axis. It encompasses an area of approximately . The island is only offshore with a smaller island, Round Island, between Koolan and the mainland. Composed of Precambrian quartzite sandstone, the island has a rugged dissected terrain with jointed gorge forming narrowly valley drainage channels. The ridges have thin stony sandy soils. The highest point of the island is at .〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Koolan Island」の詳細全文を読む
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