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Sima Martel
Sima Martel (Sima Menor) is an enormous sinkhole located on the summit of plateau of Sarisariñama tepui, in Bolívar State, Venezuela. It is unusual due to several factors including its enormous size and depth, location on the top of the only forested tepui and having a patch of forest on its base. Named after speleologist Édouard-Alfred Martel. == History == Together with the neighbouring Sima Humboldt it was first spotted in 1961 by pilot Harry Gibson.〔(Otto Huber and John J. Wurdack. History of Botanical Exploration in Territorio Federal Amazonas, Venezuela. Smithsonian Institution Press, City of Washington, 1984 )〕 It was first descended and explored during the 1970s. In total there are four caves on Sarisariñama.
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「Sima Martel」の詳細全文を読む
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