Olduvai Gorge
Ol·du·vai Gorge
O0061000 (ōl′də-vī′, ôl′do͝o-)Olduvai Gorge
(ˈɒldʊˌvaɪ)Ol′du•vai Gorge′
(ˈɔl dʊˌvaɪ)n.
| Noun | 1. | Olduvai Gorge - a gorge in northeastern Tanzania where anthropologists have found some of the earliest human remains |
| 单词 | olduvai gorge | |||
| 释义 | Olduvai GorgeOl·du·vai GorgeO0061000 (ōl′də-vī′, ôl′do͝o-)Olduvai Gorge(ˈɒldʊˌvaɪ)Ol′du•vai Gorge′(ˈɔl dʊˌvaɪ)n.
Olduvai GorgeOlduvai Gorge(ōl`dəwā', –vā'), a feature of the E African Rift Valley in Tanzania. Erosional processes have exposed geological strata in the gorge dating to the lower Pleistocene epoch, about 1.8 million to 600,000 years ago. The site was made famous by the numerous hominin fossils excavated by Louis LeakeyLeakey, Louis Seymour Bazett, 1903–72, British archaeologist and anthropologist of E Africa, b. Kabete, Kenya; father of Richard Leakey. His fossil discoveries in E Africa demonstrated that humans were far older than had previously been suspected. ..... Click the link for more information. and his wife, Mary LeakeyLeakey, Mary Douglas, 1913–96, British archaeologist, b. London as Mary Douglas Nicol; wife of Louis Leakey and mother of Richard Leakey. She had little formal education, but a fascination with archaeology led to her supervising her first dig in England in 1934. ..... Click the link for more information. , as well as by later researchers. Examples of at least three species of hominins have been found at Olduvai, including AustralopithecusAustralopithecus , an extinct hominin genus found in Africa between about 4 and 1 million years ago. At least seven species of australopithecines are now generally recognized, including Australopithecus afarensis, A. africanus, A. bahrelghazali, A. ..... Click the link for more information. boisei, Homo habilis, and Homo erectusHomo erectus , extinct hominin living between 1.6 million and 250,000 years ago. Homo erectus is thought to have evolved in Africa from H. habilis, the first member of the genus Homo. African forms of H. ..... Click the link for more information. . In addition, the two earliest stone tool traditions, Oldowan and Acheulian (see Paleolithic periodPaleolithic period or Old Stone Age, the earliest period of human development and the longest phase of mankind's history. It is approximately coextensive with the Pleistocene geologic epoch, beginning about 2 million years ago and ending in various places between ..... Click the link for more information. ), have been found along with fossil remains. Both the fossils and the tools have been important lines of evidence in understanding human evolutionhuman evolution, theory of the origins of the human species, Homo sapiens. Modern understanding of human origins is derived largely from the findings of paleontology, anthropology, and genetics, and involves the process of natural selection (see Darwinism). ..... Click the link for more information. . Recent research in Olduvai has centered on excavated camp sites addressing problems involving the social and dietary adaptations of early hominins. Olduvai GorgeOlduvai GorgeOlduvai GorgeA steep 48-km ravine in the Serengeti Plains of eastern Africa which was allegedly discovered by a German butterfly collector in 1911, who fell down the side of the ravine and a vast collection of fossils, bones and artefacts about ancient man’s evolution. The first serious excavation of the site began with Louis and Mary Leakey in 1931, and continues with others.Olduvai Gorge
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