中石時代の石の長距離輸送と色素の使用

Alison S Brooks^1,2, John E Yellen^2,3, Richard Potts^4,5

¹Center for the Advanced Study of Human Paleobiology, Department of Anthropology, George Washington University, Washington, DC 20052, USA. abrooks@gwu.edu pottsr@si.edu.

Science (New York, N.Y.)

|March 17, 2018

まとめ

初期のヒトの起源 (ホモ・サピエンス) はケニアの30万年以上前の道具製造や色素の使用のような複雑な行動を示していますこの研究は中石器時代の重要な認知と社会的進化を明らかにしています

科学分野:

古人類学
考古学
人間の進化

背景:

ホモ・サピエンスの複雑な行動は古代の起源を示唆しています
初期の人間の行動進化に関するデータは限られている.
中期プレイストセーン (<20万年前) は,人類の起源の重要な時期です.

研究の目的:

初期の人間の行動の起源を調査する
中石器時代の技術的,社会的変化を記録する.
ホモ・サピエンスの認知の進化に関するデータを提供します.

主な方法:

ケニアのオルゲサイリー盆地における中石器時代の遺跡の発掘.
アルゴン-40/アルゴン-39とウランシリーズによる年代測定法による年代測定 (295,000320,000年前)
石器の分析,色素の使用,そして野生動物の残骸.

主要な成果:

ホミニンは準備された核と点を作り出しました
赤い色素を採取するために鉄が豊富な岩石を掘削する
長い距離 (25〜50 km) から石器材の調達
多様な獲物を含む広範な資源戦略の証拠です

結論:

これらの発見は,景観の利用と社会的相互作用に大きな変化を示しています.
実践は人間の社会的・認知的進化の進歩を示唆しています
このデータは人間の行動の起源を理解する上で重要な資料を提供します

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