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Attborough Swallet (also known as Red Quar Swallet) is a cave in Chewton Mendip in Somerset, England. It is unusual for a cave on the Mendip Hills in that it is not in limestone but instead in Dolomitic Conglomerate and Marl. The main part of the cave was first entered in 1992, although Red Quar Swallet had been dug in the 1930s and the entrance shaft is now a concrete pipe. . It takes its name from the Attborough field in which the entrance is situated. Red Quar Swallet comes from the small scale quarrying of red Triassic conglomerate. The underground stream feeding water into the sump flows into Wigmore Swallet.〔(【引用サイトリンク】title=Attborough Swallet )〕 == See also == * Caves of the Mendip Hills 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「Attborough Swallet」の詳細全文を読む スポンサード リンク
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