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| elevation m = 1 | area m2 = 300 | Country heading = Exclusive economic zone | country = }} Hasselwood Rock is a skerry adjacent to Rockall in the North Atlantic. == Position and characteristics == Its upper part is the destroyed cone of an extinct volcano, 200 metres north of the larger outcrop of Rockall.〔G. S. Holland and R. A.Gardiner. (The First Map of Rockall ). The Geographic Journal, v.141, n.1 (March 1975). pp. 94-98.〕 The rock is approximately 1 metre above low water, 13 metres in diameter, with an area of approximately 130 square metres. It is covered at high tide and in heavy seas, often only visible as breaking waves. There are no sources of fresh water on the rock, which is uninhabitable. The only other rocks in the area, those of Helen's Reef, are almost 2 kilometres to the north-east. Expeditions and landings have not been reported. The geological composition is unknown.〔 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「Hasselwood Rock」の詳細全文を読む スポンサード リンク
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