…Nine stone tools, 176 chips, a stone hammer, small animal bones, and bone fragments of a large animal juvenile were also found. The bone was estimated to be about 16 years old, and was named Zinjanthropus boisei by Leakey. Potassium-argon dating of Layer I, the lowest layer of Olduvai, revealed that Zinjanthropus was actually 1.75 million years old. … *Some of the terminology that mentions "Zinjanthropus boisei" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…人骨に伴う9個の石器,176点の剝片,石のハンマー,小型獣の骨,大型獣の幼獣の骨の破片も採集された。この人骨の年齢は16歳くらいと推定され,リーキーによってジンジャントロプス・ボイジイZinjanthropus boiseiと命名された。オルドバイの最下層である第I層をカリウム・アルゴン法で測定したところ,ジンジャントロプスの年代は実に175万年前であることがわかった。… ※「Zinjanthropus boisei」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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