Laetoli:火山灰中最古老的人类足迹

IF 2.2 2区地球科学 Q2 GEOCHEMISTRY & GEOPHYSICS

Elements Pub Date : 2023-04-01 DOI:10.2138/gselements.19.2.104

A. Zaitsev, A. Chakhmouradian, C. Musiba

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引用次数: 0

摘要

霍米宁足迹在东非很少见，在拉托利（坦桑尼亚）、伊莱特（肯尼亚）和梅尔卡-昆图（埃塞俄比亚）地区都有。这些版画是由南方古猿、直立人和海德堡人制作的。他们的研究是关于人类体型、解剖学、位置行为和运动生物力学的重要信息来源。最著名和研究最好的例子是位于莱托利的3.66 Ma非洲南方古猿足迹轨迹，这是非洲已知最古老的人类两足动物记录。脚印出现在火山凝灰岩序列中，最初沉积为冰晶石-霞石灰。最近的发掘表明，由于地表成岩作用，这个宝贵的古人类学遗址正在慢慢消失。保护脚印是至关重要的，也是迫切需要的。

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Laetoli: The Oldest Known Hominin Footprints in Volcanic Ash

Hominin footprints are rare in eastern Africa and known from the Laetoli (Tanzania), Ileret (Kenya), and Melka Kunture (Ethiopia) areas. The prints were made by Australopithecus afarensis, Homo erectus, and Homo heidelbergensis. Their study is an important source of information regarding hominin body size, anatomy, positional behavior, and locomotion biomechanics. The most-known and best-studied examples are the 3.66-Ma Australopithecus afarensis footprint trackways at Laetoli, which represent the oldest known record of hominin bipedalism in Africa. The footprints occur in a volcanic tuff sequence, which was originally deposited as melilite nephelinite ash. Recent excavations show that this valuable paleoanthropological site is slowly disappearing as a result of surface diagenetic processes. Preservation of the footprints is essential and urgently needed.

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来源期刊

Elements 地学-地球化学与地球物理

CiteScore

7.20

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Elements is an international magazine of mineralogy, petrology, and geochemistry. Published bimonthly, every issue explores a theme of broad and current interest. Elements publishes invited peer-reviewed articles for each thematic collection of papers. Topics of interest can be proposed to the editors who will review every proposal submitted. Elements also presents regular features including a opinion articles, calendar of events, short course announcements, awards, conference reports, policy news, as well as news of the 18 participating societies.